Recent Articles in Phys. Rev. A http://journals.aps.org/pra/ Recent articles in Physical Review A hourly 1 2026-04-10T21:16:35+00:00 rss@aps.org assocpub@aps.org 2026-04-10T21:16:35+00:00 en Copyright © 2026 the American Physical Society. Personal use only, all commercial or other reuse prohibited Copyright © 2026 the American Physical Society assocpub@aps.org Effect of the gradient of the spin polarization in density functional approximations http://link.aps.org/doi/10.1103/klyz-bqqn Author(s): Rohan Maniar and John P. Perdew<br/><p>The construction of nonempirical density functional approximations is typically guided by the satisfaction of exact constraints. More recent constructions of semilocal correlation, which tend to satisfy the maximum number of constraints, drop the gradient of the spin polarization ($∇ζ$) as a semiloc…</p><br/>[Phys. Rev. A 113, 042210] Published Fri Apr 10, 2026 Author(s): Rohan Maniar and John P. Perdew

The construction of nonempirical density functional approximations is typically guided by the satisfaction of exact constraints. More recent constructions of semilocal correlation, which tend to satisfy the maximum number of constraints, drop the gradient of the spin polarization (∇ζ) as a semilocal…


[Phys. Rev. A 113, 042210] Published Fri Apr 10, 2026

]]> Effect of the gradient of the spin polarization in density functional approximations Rohan Maniar and John P. Perdew 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042210 (2026) article doi:10.1103/klyz-bqqn 10.1103/klyz-bqqn Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/klyz-bqqn 042210 Fundamental concepts Fundamental concepts Efficient optical configurations for trapped-ion entangling gates http://link.aps.org/doi/10.1103/ly5s-tjk2 Author(s): Aditya Milind Kolhatkar and Karan K. Mehta<br/><p>High-fidelity and parallel realization in scalable platforms of the two-qubit entangling gates fundamental to universal quantum computing constitutes one of the largest challenges in implementing fault-tolerant quantum computation. Integrated optical addressing of trapped ions offers routes to scali…</p><br/>[Phys. Rev. A 113, 042424] Published Fri Apr 10, 2026 Author(s): Aditya Milind Kolhatkar and Karan K. Mehta

High-fidelity and parallel realization in scalable platforms of the two-qubit entangling gates fundamental to universal quantum computing constitutes one of the largest challenges in implementing fault-tolerant quantum computation. Integrated optical addressing of trapped ions offers routes to scali…


[Phys. Rev. A 113, 042424] Published Fri Apr 10, 2026

]]> Efficient optical configurations for trapped-ion entangling gates Aditya Milind Kolhatkar and Karan K. Mehta 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042424 (2026) article doi:10.1103/ly5s-tjk2 10.1103/ly5s-tjk2 Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/ly5s-tjk2 042424 Quantum information science Quantum information science Detecting quantum many-body states with imperfect measuring devices http://link.aps.org/doi/10.1103/849f-3j77 Author(s): Kenan Uriostegui, Chryssomalis Chryssomalakos, Valentina Rascón Barajas, Igor Vázquez Mota, and Carlos Pineda<br/><p>We study a coarse-graining map arising from incomplete and imperfect addressing of particles in a multipartite quantum system. In its simplest form, corresponding to a two-qubit state, the resulting channel produces a convex mixture of the two partial traces. We derive the probability density of obt…</p><br/>[Phys. Rev. A 113, 042425] Published Fri Apr 10, 2026 Author(s): Kenan Uriostegui, Chryssomalis Chryssomalakos, Valentina Rascón Barajas, Igor Vázquez Mota, and Carlos Pineda

We study a coarse-graining map arising from incomplete and imperfect addressing of particles in a multipartite quantum system. In its simplest form, corresponding to a two-qubit state, the resulting channel produces a convex mixture of the two partial traces. We derive the probability density of obt…


[Phys. Rev. A 113, 042425] Published Fri Apr 10, 2026

]]> Detecting quantum many-body states with imperfect measuring devices Kenan Uriostegui, Chryssomalis Chryssomalakos, Valentina Rascón Barajas, Igor Vázquez Mota, and Carlos Pineda 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042425 (2026) article doi:10.1103/849f-3j77 10.1103/849f-3j77 Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/849f-3j77 042425 Quantum information science Quantum information science Systematic approach to hyperbolic quantum error correction codes http://link.aps.org/doi/10.1103/95mp-w7kr Author(s): Ahmed Adel Mahmoud, Kamal Mohamed Ali, and Steven Rayan<br/><p>Quantum error correction codes defined on hyperbolic lattices leverage the unique geometric properties of the hyperbolic space to enhance the performance of quantum error correction. By embedding qubits in hyperbolic lattices, these codes achieve higher encoding rates and lower qubit overhead compar…</p><br/>[Phys. Rev. A 113, 042426] Published Fri Apr 10, 2026 Author(s): Ahmed Adel Mahmoud, Kamal Mohamed Ali, and Steven Rayan

Quantum error correction codes defined on hyperbolic lattices leverage the unique geometric properties of the hyperbolic space to enhance the performance of quantum error correction. By embedding qubits in hyperbolic lattices, these codes achieve higher encoding rates and lower qubit overhead compar…


[Phys. Rev. A 113, 042426] Published Fri Apr 10, 2026

]]> Systematic approach to hyperbolic quantum error correction codes Ahmed Adel Mahmoud, Kamal Mohamed Ali, and Steven Rayan 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042426 (2026) article doi:10.1103/95mp-w7kr 10.1103/95mp-w7kr Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/95mp-w7kr 042426 Quantum information science Quantum information science Gottesman-Knill limit on one-way communication complexity: Tracing the quantum advantage down to magic resources http://link.aps.org/doi/10.1103/x741-4kd1 Author(s): Snehasish Roy Chowdhury, Sahil Gopalkrishna Naik, Ananya Chakraborty, Ram Krishna Patra, Subhendu B. Ghosh, Pratik Ghosal, Manik Banik, and Ananda G. Maity<br/><p>Quantum systems are known to offer advantages over their classical counterpart in communication complexity protocols, where the aim is to minimize the amount of information exchange between distant parties to compute global functions of their distributed inputs. In this paper, we establish that any …</p><br/>[Phys. Rev. A 113, 042607] Published Fri Apr 10, 2026 Author(s): Snehasish Roy Chowdhury, Sahil Gopalkrishna Naik, Ananya Chakraborty, Ram Krishna Patra, Subhendu B. Ghosh, Pratik Ghosal, Manik Banik, and Ananda G. Maity

Quantum systems are known to offer advantages over their classical counterpart in communication complexity protocols, where the aim is to minimize the amount of information exchange between distant parties to compute global functions of their distributed inputs. In this paper, we establish that any …


[Phys. Rev. A 113, 042607] Published Fri Apr 10, 2026

]]> Gottesman-Knill limit on one-way communication complexity: Tracing the quantum advantage down to magic resources Snehasish Roy Chowdhury, Sahil Gopalkrishna Naik, Ananya Chakraborty, Ram Krishna Patra, Subhendu B. Ghosh, Pratik Ghosal, Manik Banik, and Ananda G. Maity 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042607 (2026) article doi:10.1103/x741-4kd1 10.1103/x741-4kd1 Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/x741-4kd1 042607 Quantum technologies Quantum technologies Automated discovery of heralded ballistic graph state generators for fusion-based photonic quantum computation http://link.aps.org/doi/10.1103/c4v4-wz65 Author(s): Gavin S. Hartnett, Dave Kielpinski, Smarak Maity, Pranav S. Mundada, Yuval Baum, and Michael R. Hush<br/><p>Designing photonic circuits that prepare graph states with high fidelity and success probability is a central challenge in linear optical quantum computing. Existing approaches rely on hand-crafted designs or fusion-based assemblies. In the absence of multiplexing and boosting, both postselected bal…</p><br/>[Phys. Rev. A 113, 042608] Published Fri Apr 10, 2026 Author(s): Gavin S. Hartnett, Dave Kielpinski, Smarak Maity, Pranav S. Mundada, Yuval Baum, and Michael R. Hush

Designing photonic circuits that prepare graph states with high fidelity and success probability is a central challenge in linear optical quantum computing. Existing approaches rely on hand-crafted designs or fusion-based assemblies. In the absence of multiplexing and boosting, both postselected bal…


[Phys. Rev. A 113, 042608] Published Fri Apr 10, 2026

]]> Automated discovery of heralded ballistic graph state generators for fusion-based photonic quantum computation Gavin S. Hartnett, Dave Kielpinski, Smarak Maity, Pranav S. Mundada, Yuval Baum, and Michael R. Hush 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042608 (2026) article doi:10.1103/c4v4-wz65 10.1103/c4v4-wz65 Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/c4v4-wz65 042608 Quantum technologies Quantum technologies Noise-resilient universal quantum computing in the presence of anisotropic noise http://link.aps.org/doi/10.1103/8kst-zrry Author(s): Yang-Yang Xie, Zhao-Ming Wang, and Lian-Ao Wu<br/><p>We propose a universal gate set for quantum computing that operates in the presence of decoherence without the overhead of active error correction. We show that a broad class of anisotropic system-bath couplings can be effectively decoupled by preparing an appropriate system-bath entangled initial s…</p><br/>[Phys. Rev. A 113, 042609] Published Fri Apr 10, 2026 Author(s): Yang-Yang Xie, Zhao-Ming Wang, and Lian-Ao Wu

We propose a universal gate set for quantum computing that operates in the presence of decoherence without the overhead of active error correction. We show that a broad class of anisotropic system-bath couplings can be effectively decoupled by preparing an appropriate system-bath entangled initial s…


[Phys. Rev. A 113, 042609] Published Fri Apr 10, 2026

]]> Noise-resilient universal quantum computing in the presence of anisotropic noise Yang-Yang Xie, Zhao-Ming Wang, and Lian-Ao Wu 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042609 (2026) article doi:10.1103/8kst-zrry 10.1103/8kst-zrry Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/8kst-zrry 042609 Quantum technologies Quantum technologies Hierarchical quantum approximation optimization algorithm for solving graph-coloring problems http://link.aps.org/doi/10.1103/l5w7-x27x Author(s): Dongmei Liu, Jian Li, Xiubo Chen, Shibin Zhang, Yan Chang, and Lili Yan<br/><p>In the era of noisy intermediate-scale quantum computing, this paper proposes a hierarchical adaptive quantum approximate optimization algorithm (QAOA) to address quantum resource constraints in graph-coloring problems (GCPs). The algorithm employs a divide-and-conquer strategy by partitioning a lar…</p><br/>[Phys. Rev. A 113, 042610] Published Fri Apr 10, 2026 Author(s): Dongmei Liu, Jian Li, Xiubo Chen, Shibin Zhang, Yan Chang, and Lili Yan

In the era of noisy intermediate-scale quantum computing, this paper proposes a hierarchical adaptive quantum approximate optimization algorithm (QAOA) to address quantum resource constraints in graph-coloring problems (GCPs). The algorithm employs a divide-and-conquer strategy by partitioning a lar…


[Phys. Rev. A 113, 042610] Published Fri Apr 10, 2026

]]> Hierarchical quantum approximation optimization algorithm for solving graph-coloring problems Dongmei Liu, Jian Li, Xiubo Chen, Shibin Zhang, Yan Chang, and Lili Yan 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042610 (2026) article doi:10.1103/l5w7-x27x 10.1103/l5w7-x27x Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/l5w7-x27x 042610 Quantum technologies Quantum technologies Necessary and sufficient conditions for the $N$-representability of functionals of the one-electron reduced density matrix http://link.aps.org/doi/10.1103/1gzs-88l4 Author(s): Jannis Erhard and Paul W. Ayers<br/><p>We establish necessary and sufficient conditions for the $N$-representability of the universal one-electron reduced density matrix functional. Functionals satisfying these conditions are guaranteed to yield variational upper bounds on the true energy in one-electron reduced density matrix functional…</p><br/>[Phys. Rev. A 113, 042808] Published Fri Apr 10, 2026 Author(s): Jannis Erhard and Paul W. Ayers

We establish necessary and sufficient conditions for the N-representability of the universal one-electron reduced density matrix functional. Functionals satisfying these conditions are guaranteed to yield variational upper bounds on the true energy in one-electron reduced density matrix functional t…


[Phys. Rev. A 113, 042808] Published Fri Apr 10, 2026

]]> Necessary and sufficient conditions for the $N$-representability of functionals of the one-electron reduced density matrix Jannis Erhard and Paul W. Ayers 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042808 (2026) article doi:10.1103/1gzs-88l4 10.1103/1gzs-88l4 Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/1gzs-88l4 042808 Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Applicability of the Dirac-Fock method combined with core polarization in calculations of alkali-metal atoms http://link.aps.org/doi/10.1103/cwhz-by5w Author(s): A. A. Bobylev, J. J. Lopez-Rodriguez, P. A. Kvasov, M. A. Reiter, D. A. Solovyev, and T. A. Zalialiutdinov<br/><p>In this work, we investigate the applicability of the core-polarization-corrected Dirac-Fock method, formulated within the framework of the local Dirac-Hartree-Fock (LDF) potential, for the accurate determination of static scalar and tensor electric dipole polarizabilities. This work presents theore…</p><br/>[Phys. Rev. A 113, 042809] Published Fri Apr 10, 2026 Author(s): A. A. Bobylev, J. J. Lopez-Rodriguez, P. A. Kvasov, M. A. Reiter, D. A. Solovyev, and T. A. Zalialiutdinov

In this work, we investigate the applicability of the core-polarization-corrected Dirac-Fock method, formulated within the framework of the local Dirac-Hartree-Fock (LDF) potential, for the accurate determination of static scalar and tensor electric dipole polarizabilities. This work presents theore…


[Phys. Rev. A 113, 042809] Published Fri Apr 10, 2026

]]> Applicability of the Dirac-Fock method combined with core polarization in calculations of alkali-metal atoms A. A. Bobylev, J. J. Lopez-Rodriguez, P. A. Kvasov, M. A. Reiter, D. A. Solovyev, and T. A. Zalialiutdinov 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042809 (2026) article doi:10.1103/cwhz-by5w 10.1103/cwhz-by5w Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/cwhz-by5w 042809 Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Screened thin-target bremsstrahlung with partially ionized high-$Z$ species http://link.aps.org/doi/10.1103/td24-yfw2 Author(s): S. Guinchard, Y. Savoye-Peysson, and J. Decker<br/><p>Bremsstrahlung emission remains a cornerstone process in the characterization of electron dynamics in diverse high-energy environments. In particular, the accurate description of thin-target electron-ion bremsstrahlung in the presence of high-$Z$ species requires careful treatment of atomic screenin…</p><br/>[Phys. Rev. A 113, 042810] Published Fri Apr 10, 2026 Author(s): S. Guinchard, Y. Savoye-Peysson, and J. Decker

Bremsstrahlung emission remains a cornerstone process in the characterization of electron dynamics in diverse high-energy environments. In particular, the accurate description of thin-target electron-ion bremsstrahlung in the presence of high-Z species requires careful treatment of atomic screening …


[Phys. Rev. A 113, 042810] Published Fri Apr 10, 2026

]]> Screened thin-target bremsstrahlung with partially ionized high-$Z$ species S. Guinchard, Y. Savoye-Peysson, and J. Decker 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042810 (2026) article doi:10.1103/td24-yfw2 10.1103/td24-yfw2 Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/td24-yfw2 042810 Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Relativistic effects on positron binding to the triplet state of helium http://link.aps.org/doi/10.1103/cg41-dny5 Author(s): D.-X. Zhao, K. Hu, M.-S. Wu, J.-Y. Zhang, K.-D. Wang, and Z.-C. Yan<br/><p>The triplet state of helium can bind a positron to form a quantum halo state with a nonrelativistic binding energy of only about 0.6 mhartree. Owing to its extremely weakly bound nature, evaluating relativistic corrections to the binding energy is essential for confirming its stability beyond the no…</p><br/>[Phys. Rev. A 113, 042811] Published Fri Apr 10, 2026 Author(s): D.-X. Zhao, K. Hu, M.-S. Wu, J.-Y. Zhang, K.-D. Wang, and Z.-C. Yan

The triplet state of helium can bind a positron to form a quantum halo state with a nonrelativistic binding energy of only about 0.6 mhartree. Owing to its extremely weakly bound nature, evaluating relativistic corrections to the binding energy is essential for confirming its stability beyond the no…


[Phys. Rev. A 113, 042811] Published Fri Apr 10, 2026

]]> Relativistic effects on positron binding to the triplet state of helium D.-X. Zhao, K. Hu, M.-S. Wu, J.-Y. Zhang, K.-D. Wang, and Z.-C. Yan 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042811 (2026) article doi:10.1103/cg41-dny5 10.1103/cg41-dny5 Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/cg41-dny5 042811 Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Nonadiabaticity-induced abnormal Coulomb-focusing effect in an orthogonally polarized two-color laser field http://link.aps.org/doi/10.1103/zvms-z65d Author(s): Peng Qin, Long Xu, Min Gong, Weiping Wan, Zhenghua Yao, Yu Lei, Lingling Zheng, Xufei Sun, and Zhanghai Chen<br/><p>The Coulomb focusing effect on different sub-laser-cycle electrons, i.e., prepeak direct and postpeak rescattering electrons, is theoretically investigated using the exact solution of three-dimensional (3D) time-dependent Schrödinger equation (TDSE), as well as semiclassical simulations based on bot…</p><br/>[Phys. Rev. A 113, 043113] Published Fri Apr 10, 2026 Author(s): Peng Qin, Long Xu, Min Gong, Weiping Wan, Zhenghua Yao, Yu Lei, Lingling Zheng, Xufei Sun, and Zhanghai Chen

The Coulomb focusing effect on different sub-laser-cycle electrons, i.e., prepeak direct and postpeak rescattering electrons, is theoretically investigated using the exact solution of three-dimensional (3D) time-dependent Schrödinger equation (TDSE), as well as semiclassical simulations based on bot…


[Phys. Rev. A 113, 043113] Published Fri Apr 10, 2026

]]> Nonadiabaticity-induced abnormal Coulomb-focusing effect in an orthogonally polarized two-color laser field Peng Qin, Long Xu, Min Gong, Weiping Wan, Zhenghua Yao, Yu Lei, Lingling Zheng, Xufei Sun, and Zhanghai Chen 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043113 (2026) article doi:10.1103/zvms-z65d 10.1103/zvms-z65d Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/zvms-z65d 043113 Light-induced processes in atomic-scale systems Light-induced processes in atomic-scale systems Evaporative damping in open system theory of Bose-Einstein condensates http://link.aps.org/doi/10.1103/v7mb-w8ng Author(s): Nils A. Krause and Ashton S. Bradley<br/><p>We derive a damping mechanism in the open quantum system description of Bose-Einstein condensates. It stems from previously neglected terms in the derivation of the stochastic projective Gross-Pitaevskii equation (SPGPE), accounting for a nonlinear evaporation of particles from the coherent into the…</p><br/>[Phys. Rev. A 113, 043311] Published Fri Apr 10, 2026 Author(s): Nils A. Krause and Ashton S. Bradley

We derive a damping mechanism in the open quantum system description of Bose-Einstein condensates. It stems from previously neglected terms in the derivation of the stochastic projective Gross-Pitaevskii equation (SPGPE), accounting for a nonlinear evaporation of particles from the coherent into the…


[Phys. Rev. A 113, 043311] Published Fri Apr 10, 2026

]]> Evaporative damping in open system theory of Bose-Einstein condensates Nils A. Krause and Ashton S. Bradley 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043311 (2026) article doi:10.1103/v7mb-w8ng 10.1103/v7mb-w8ng Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/v7mb-w8ng 043311 Ultracold systems and matter waves Ultracold systems and matter waves Scattering of a weakly bound dimer from a hard wall in one dimension http://link.aps.org/doi/10.1103/df8f-nyrp Author(s): Xican Zhang and Shina Tan<br/><p>We consider a dimer formed by two particles with an attractive contact interaction in one dimension, colliding with a hard wall. We compute the scattering phase shifts and the reflection coefficients for various collision energies and various mass ratios of the two particles. For low-energy collisio…</p><br/>[Phys. Rev. A 113, 043312] Published Fri Apr 10, 2026 Author(s): Xican Zhang and Shina Tan

We consider a dimer formed by two particles with an attractive contact interaction in one dimension, colliding with a hard wall. We compute the scattering phase shifts and the reflection coefficients for various collision energies and various mass ratios of the two particles. For low-energy collisio…


[Phys. Rev. A 113, 043312] Published Fri Apr 10, 2026

]]> Scattering of a weakly bound dimer from a hard wall in one dimension Xican Zhang and Shina Tan 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043312 (2026) article doi:10.1103/df8f-nyrp 10.1103/df8f-nyrp Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/df8f-nyrp 043312 Ultracold systems and matter waves Ultracold systems and matter waves Scattering problem in Bose-Einstein condensates with magnetic domain walls http://link.aps.org/doi/10.1103/5lsf-kktm Author(s): Mei Zhao, Lijia Jiang, Tao Yang, and Jun-Hui Zheng<br/><p>We present a comprehensive theoretical study of linear wave scattering from magnetic domain walls with varied twist angles $\mathrm{Θ}$ in spin-$1/2$ Bose-Einstein condensates (BECs). Using a gauge transformation, we show that scattering observables depend solely on the total twist $\mathrm{Θ}$, ind…</p><br/>[Phys. Rev. A 113, 043313] Published Fri Apr 10, 2026 Author(s): Mei Zhao, Lijia Jiang, Tao Yang, and Jun-Hui Zheng

We present a comprehensive theoretical study of linear wave scattering from magnetic domain walls with varied twist angles Θ in spin-1/2 Bose-Einstein condensates (BECs). Using a gauge transformation, we show that scattering observables depend solely on the total twist Θ, independent of chirality. W…


[Phys. Rev. A 113, 043313] Published Fri Apr 10, 2026

]]> Scattering problem in Bose-Einstein condensates with magnetic domain walls Mei Zhao, Lijia Jiang, Tao Yang, and Jun-Hui Zheng 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043313 (2026) article doi:10.1103/5lsf-kktm 10.1103/5lsf-kktm Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/5lsf-kktm 043313 Ultracold systems and matter waves Ultracold systems and matter waves Silicon-on-insulator-compatible degenerate-band-edge photonic structure: Design rules and robustness analysis http://link.aps.org/doi/10.1103/lnsb-8l7f Author(s): Kessem Zamir-Abramovich and Jacob Scheuer<br/><p>Optical periodic structures exhibiting a degenerate band edge (DBE) are of significant interest for various applications such as switching, sensing, high-power amplification, and lasing. At the edge of the bandgap in such structures, a fourth-order exceptional point degeneracy arises, leading to an …</p><br/>[Phys. Rev. A 113, 043510] Published Fri Apr 10, 2026 Author(s): Kessem Zamir-Abramovich and Jacob Scheuer

Optical periodic structures exhibiting a degenerate band edge (DBE) are of significant interest for various applications such as switching, sensing, high-power amplification, and lasing. At the edge of the bandgap in such structures, a fourth-order exceptional point degeneracy arises, leading to an …


[Phys. Rev. A 113, 043510] Published Fri Apr 10, 2026

]]> Silicon-on-insulator-compatible degenerate-band-edge photonic structure: Design rules and robustness analysis Kessem Zamir-Abramovich and Jacob Scheuer 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043510 (2026) article doi:10.1103/lnsb-8l7f 10.1103/lnsb-8l7f Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/lnsb-8l7f 043510 Photonics, nonlinear optics, and optomechanics Photonics, nonlinear optics, and optomechanics Controllable polarization rotation of hybrid-order Poincaré solitons in strongly nonlocal media http://link.aps.org/doi/10.1103/bpjs-6rs8 Author(s): Qing Wang, Yongzheng Xu, Dumitru Mihalache, Milivoj R. Belić, and Qian Shou<br/><p>We present a theoretical and experimental study on the propagation and polarization control of hybrid-order Poincaré beams—composed of two vortex beams with different orders—in nonlocal, nonlinear lead glass. The linear stability analysis reveals that stable solitons form only when the power and wid…</p><br/>[Phys. Rev. A 113, 043511] Published Fri Apr 10, 2026 Author(s): Qing Wang, Yongzheng Xu, Dumitru Mihalache, Milivoj R. Belić, and Qian Shou

We present a theoretical and experimental study on the propagation and polarization control of hybrid-order Poincaré beams—composed of two vortex beams with different orders—in nonlocal, nonlinear lead glass. The linear stability analysis reveals that stable solitons form only when the power and wid…


[Phys. Rev. A 113, 043511] Published Fri Apr 10, 2026

]]> Controllable polarization rotation of hybrid-order Poincaré solitons in strongly nonlocal media Qing Wang, Yongzheng Xu, Dumitru Mihalache, Milivoj R. Belić, and Qian Shou 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043511 (2026) article doi:10.1103/bpjs-6rs8 10.1103/bpjs-6rs8 Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/bpjs-6rs8 043511 Photonics, nonlinear optics, and optomechanics Photonics, nonlinear optics, and optomechanics Solving Dicke superradiance analytically: A compendium of methods http://link.aps.org/doi/10.1103/9p44-kwfl Author(s): R. Holzinger, N. S. Bassler, J. Lyne, F. G. Jimenez, J. T. Gohsrich, and C. Genes<br/><p>We present several analytical approaches to the Dicke superradiance problem, which involves determining the time evolution of the density operator for an initially inverted ensemble of $N$ identical two-level systems undergoing collective spontaneous emission. This serves as one of the simplest case…</p><br/>[Phys. Rev. A 113, 043718] Published Fri Apr 10, 2026 Author(s): R. Holzinger, N. S. Bassler, J. Lyne, F. G. Jimenez, J. T. Gohsrich, and C. Genes

We present several analytical approaches to the Dicke superradiance problem, which involves determining the time evolution of the density operator for an initially inverted ensemble of N identical two-level systems undergoing collective spontaneous emission. This serves as one of the simplest cases …


[Phys. Rev. A 113, 043718] Published Fri Apr 10, 2026

]]> Solving Dicke superradiance analytically: A compendium of methods R. Holzinger, N. S. Bassler, J. Lyne, F. G. Jimenez, J. T. Gohsrich, and C. Genes 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043718 (2026) article doi:10.1103/9p44-kwfl 10.1103/9p44-kwfl Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/9p44-kwfl 043718 Quantum optics Quantum optics Disappearance of measurement-induced phase transition in a quantum spin system for large sizes http://link.aps.org/doi/10.1103/4mjh-767c Author(s): Paranjoy Chaki, Protyush Nandi, Ujjwal Sen, and Subinay Dasgupta<br/><p>Classically, it seems counterintuitive that measurements can drastically alter the overall character of a quantum system, and yet it happens. The authors report that for a quantum spin chain, the measurement-induced entanglement transition is captured in the behavior of the survival probability of the initial state, and moreover, this probability can be calculated analytically for large sizes. The result reveals that as the system size increases, the transition, so prominent at small size, simply disappears, leaving a single (“volume-law”) phase.</p><img src="//cdn.journals.aps.org/journals/PRA/key_images/10.1103/4mjh-767c.png" width="200" height=\"100\"><br/>[Phys. Rev. A 113, L040201] Published Fri Apr 10, 2026 Author(s): Paranjoy Chaki, Protyush Nandi, Ujjwal Sen, and Subinay Dasgupta

Classically, it seems counterintuitive that measurements can drastically alter the overall character of a quantum system, and yet it happens. The authors report that for a quantum spin chain, the measurement-induced entanglement transition is captured in the behavior of the survival probability of the initial state, and moreover, this probability can be calculated analytically for large sizes. The result reveals that as the system size increases, the transition, so prominent at small size, simply disappears, leaving a single (“volume-law”) phase.


[Phys. Rev. A 113, L040201] Published Fri Apr 10, 2026

]]> Disappearance of measurement-induced phase transition in a quantum spin system for large sizes Paranjoy Chaki, Protyush Nandi, Ujjwal Sen, and Subinay Dasgupta 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, L040201 (2026) article doi:10.1103/4mjh-767c 10.1103/4mjh-767c Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/4mjh-767c L040201 Fundamental concepts Fundamental concepts Optimal sample complexity for testing unitary properties http://link.aps.org/doi/10.1103/hv11-djmz Author(s): Masahito Hayashi, Yu-Ao Chen, Chenghong Zhu, and Xin Wang<br/><p>This work explores how to predict whether an unknown quantum process has a specific symmetry, such as identity or time-reversal symmetry. Combining group representation theory with quantum hypothesis testing, it determines the minimum number of tests required for reliable detection and shows that parallel strategies perform as well as more complex adaptive or indefinite-causal-order protocols.</p><img src="//cdn.journals.aps.org/journals/PRA/key_images/10.1103/hv11-djmz.png" width="200" height=\"100\"><br/>[Phys. Rev. A 113, L040402] Published Fri Apr 10, 2026 Author(s): Masahito Hayashi, Yu-Ao Chen, Chenghong Zhu, and Xin Wang

This work explores how to predict whether an unknown quantum process has a specific symmetry, such as identity or time-reversal symmetry. Combining group representation theory with quantum hypothesis testing, it determines the minimum number of tests required for reliable detection and shows that parallel strategies perform as well as more complex adaptive or indefinite-causal-order protocols.


[Phys. Rev. A 113, L040402] Published Fri Apr 10, 2026

]]> Optimal sample complexity for testing unitary properties Masahito Hayashi, Yu-Ao Chen, Chenghong Zhu, and Xin Wang 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, L040402 (2026) article doi:10.1103/hv11-djmz 10.1103/hv11-djmz Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/hv11-djmz L040402 Quantum information science Quantum information science Coherent transport in two-dimensional disordered potentials under spatially uniform $\text{SU}(2)$ gauge fields http://link.aps.org/doi/10.1103/kdcq-9q67 Author(s): Masataka Kakoi, Christian Miniatura, and Keith Slevin<br/><p>The authors investigate the real-time dynamics of a spin-1/2 particle undergoing coherent multiple scattering in a disordered potential under a uniform non-Abelian gauge field realizable with cold atoms. They show how the gauge field induces a transient coherent backscattering effect in addition to the usual interference dip in the momentum distribution.</p><img src="//cdn.journals.aps.org/journals/PRA/key_images/10.1103/kdcq-9q67.png" width="200" height=\"100\"><br/>[Phys. Rev. A 113, L041302] Published Fri Apr 10, 2026 Author(s): Masataka Kakoi, Christian Miniatura, and Keith Slevin

The authors investigate the real-time dynamics of a spin-1/2 particle undergoing coherent multiple scattering in a disordered potential under a uniform non-Abelian gauge field realizable with cold atoms. They show how the gauge field induces a transient coherent backscattering effect in addition to the usual interference dip in the momentum distribution.


[Phys. Rev. A 113, L041302] Published Fri Apr 10, 2026

]]> Coherent transport in two-dimensional disordered potentials under spatially uniform $\text{SU}(2)$ gauge fields Masataka Kakoi, Christian Miniatura, and Keith Slevin 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, L041302 (2026) article doi:10.1103/kdcq-9q67 10.1103/kdcq-9q67 Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/kdcq-9q67 L041302 Ultracold systems and matter waves Ultracold systems and matter waves Autonomous phonon maser in levitated spin mechanics http://link.aps.org/doi/10.1103/5sb4-913d Author(s): Mohamed Hatifi<br/><p>The author shows that a single microwave-dressed, optically pumped nitrogen-vacancy center in a levitated nanodiamond can act as a gain medium for the particle’s center-of-mass motion. The work derives the onset of an autonomous phonon-maser regime, its saturation behavior, and the conditions under which its coherent signal can emerge above thermal motion.</p><img src="//cdn.journals.aps.org/journals/PRA/key_images/10.1103/5sb4-913d.png" width="200" height=\"100\"><br/>[Phys. Rev. A 113, L041501] Published Fri Apr 10, 2026 Author(s): Mohamed Hatifi

The author shows that a single microwave-dressed, optically pumped nitrogen-vacancy center in a levitated nanodiamond can act as a gain medium for the particle’s center-of-mass motion. The work derives the onset of an autonomous phonon-maser regime, its saturation behavior, and the conditions under which its coherent signal can emerge above thermal motion.


[Phys. Rev. A 113, L041501] Published Fri Apr 10, 2026

]]> Autonomous phonon maser in levitated spin mechanics Mohamed Hatifi 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, L041501 (2026) article doi:10.1103/5sb4-913d 10.1103/5sb4-913d Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/5sb4-913d L041501 Photonics, nonlinear optics, and optomechanics Photonics, nonlinear optics, and optomechanics Observation of multiorbital Fano resonances in photonic lattices http://link.aps.org/doi/10.1103/6vkj-5jv4 Author(s): Diego Guzmán-Silva, Maritza Ahumada, Polette Parra-Palavecino, Alexis R. Legón, Pedro A. Orellana, and Rodrigo A. Vicencio<br/><p>The authors study, theoretically and experimentally, the multiorbital Fano resonance phenomenon in the context of photonic lattices. Using the femtosecond laser writing technique, they observe Fano resonances for fundamental <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>S</mi></math> and excited <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>P</mi></math> states, characterized by the absence of light transmission through a one-dimensional lattice.</p><img src="//cdn.journals.aps.org/journals/PRA/key_images/10.1103/6vkj-5jv4.png" width="200" height=\"100\"><br/>[Phys. Rev. A 113, L041502] Published Fri Apr 10, 2026 Author(s): Diego Guzmán-Silva, Maritza Ahumada, Polette Parra-Palavecino, Alexis R. Legón, Pedro A. Orellana, and Rodrigo A. Vicencio

The authors study, theoretically and experimentally, the multiorbital Fano resonance phenomenon in the context of photonic lattices. Using the femtosecond laser writing technique, they observe Fano resonances for fundamental S and excited P states, characterized by the absence of light transmission through a one-dimensional lattice.


[Phys. Rev. A 113, L041502] Published Fri Apr 10, 2026

]]> Observation of multiorbital Fano resonances in photonic lattices Diego Guzmán-Silva, Maritza Ahumada, Polette Parra-Palavecino, Alexis R. Legón, Pedro A. Orellana, and Rodrigo A. Vicencio 2026-04-10T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, L041502 (2026) article doi:10.1103/6vkj-5jv4 10.1103/6vkj-5jv4 Physical Review A 113 4 2026-04-10T10:00:00+00:00 http://link.aps.org/doi/10.1103/6vkj-5jv4 L041502 Photonics, nonlinear optics, and optomechanics Photonics, nonlinear optics, and optomechanics Geometric quantum thermodynamics: A fiber bundle approach http://link.aps.org/doi/10.1103/cvyp-1pvn Author(s): Tiago Pernambuco and Lucas C. Céleri<br/><p>Classical thermodynamics is a theory based on coarse graining, meaning that the thermodynamic variables arise from discarding information related to the microscopic features of the system at hand. In quantum mechanics, however, where one has a high degree of control over microscopic systems, informa…</p><br/>[Phys. Rev. A 113, 042209] Published Thu Apr 09, 2026 Author(s): Tiago Pernambuco and Lucas C. Céleri

Classical thermodynamics is a theory based on coarse graining, meaning that the thermodynamic variables arise from discarding information related to the microscopic features of the system at hand. In quantum mechanics, however, where one has a high degree of control over microscopic systems, informa…


[Phys. Rev. A 113, 042209] Published Thu Apr 09, 2026

]]> Geometric quantum thermodynamics: A fiber bundle approach Tiago Pernambuco and Lucas C. Céleri 2026-04-09T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042209 (2026) article doi:10.1103/cvyp-1pvn 10.1103/cvyp-1pvn Physical Review A 113 4 2026-04-09T10:00:00+00:00 http://link.aps.org/doi/10.1103/cvyp-1pvn 042209 Fundamental concepts Fundamental concepts Measurement-based quantum machine learning http://link.aps.org/doi/10.1103/2snk-m8c6 Author(s): Luis Mantilla Calderón, Robert Raussendorf, Polina Feldmann, and Dmytro Bondarenko<br/><p>Quantum machine learning (QML) leverages quantum computing for classical inference, furnishes the processing of quantum data with machine-learning methods, and provides quantum algorithms adapted to noisy devices. Typically, QML proposals are framed in terms of the circuit model of quantum computati…</p><br/>[Phys. Rev. A 113, 042421] Published Thu Apr 09, 2026 Author(s): Luis Mantilla Calderón, Robert Raussendorf, Polina Feldmann, and Dmytro Bondarenko

Quantum machine learning (QML) leverages quantum computing for classical inference, furnishes the processing of quantum data with machine-learning methods, and provides quantum algorithms adapted to noisy devices. Typically, QML proposals are framed in terms of the circuit model of quantum computati…


[Phys. Rev. A 113, 042421] Published Thu Apr 09, 2026

]]> Measurement-based quantum machine learning Luis Mantilla Calderón, Robert Raussendorf, Polina Feldmann, and Dmytro Bondarenko 2026-04-09T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042421 (2026) article doi:10.1103/2snk-m8c6 10.1103/2snk-m8c6 Physical Review A 113 4 2026-04-09T10:00:00+00:00 http://link.aps.org/doi/10.1103/2snk-m8c6 042421 Quantum information science Quantum information science Several kinds of Gaussian quantum channels related to Einstein-Podolsky-Rosen steering http://link.aps.org/doi/10.1103/wbvl-75y3 Author(s): Ruifen Ma, Yanjing Sun, and Xiaofei Qi<br/><p>EPR steering is a crucial quantum resource that lies intermediate between entanglement and Bell nonlocality. Gaussian channels, meanwhile, play a foundational role in diverse quantum protocols, secure communication, and related fields. In this paper we focus on several classes of Gaussian channels a…</p><br/>[Phys. Rev. A 113, 042422] Published Thu Apr 09, 2026 Author(s): Ruifen Ma, Yanjing Sun, and Xiaofei Qi

EPR steering is a crucial quantum resource that lies intermediate between entanglement and Bell nonlocality. Gaussian channels, meanwhile, play a foundational role in diverse quantum protocols, secure communication, and related fields. In this paper we focus on several classes of Gaussian channels a…


[Phys. Rev. A 113, 042422] Published Thu Apr 09, 2026

]]> Several kinds of Gaussian quantum channels related to Einstein-Podolsky-Rosen steering Ruifen Ma, Yanjing Sun, and Xiaofei Qi 2026-04-09T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042422 (2026) article doi:10.1103/wbvl-75y3 10.1103/wbvl-75y3 Physical Review A 113 4 2026-04-09T10:00:00+00:00 http://link.aps.org/doi/10.1103/wbvl-75y3 042422 Quantum information science Quantum information science Randomization accelerating series-truncated quantum algorithms http://link.aps.org/doi/10.1103/5bbv-wr5n Author(s): Yue Wang and Qi Zhao<br/><p>Quantum algorithms typically demand prohibitively complex circuits to solve practical problems. Previous studies have shown that classical randomness can accelerate some specific quantum algorithms. In this work, we introduce the <i>randomized truncated series</i> (RTS), which enables all quantum algorithm…</p><br/>[Phys. Rev. A 113, 042423] Published Thu Apr 09, 2026 Author(s): Yue Wang and Qi Zhao

Quantum algorithms typically demand prohibitively complex circuits to solve practical problems. Previous studies have shown that classical randomness can accelerate some specific quantum algorithms. In this work, we introduce the randomized truncated series (RTS), which enables all quantum algorithm…


[Phys. Rev. A 113, 042423] Published Thu Apr 09, 2026

]]> Randomization accelerating series-truncated quantum algorithms Yue Wang and Qi Zhao 2026-04-09T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042423 (2026) article doi:10.1103/5bbv-wr5n 10.1103/5bbv-wr5n Physical Review A 113 4 2026-04-09T10:00:00+00:00 http://link.aps.org/doi/10.1103/5bbv-wr5n 042423 Quantum information science Quantum information science Ramanujan-modulated multitone control for high-fidelity quantum state preparation http://link.aps.org/doi/10.1103/xwvv-9hsf Author(s): Eram Taslima and Shyam Kamal<br/><p>Closed quantum systems with degenerate spectra or sparse couplings often trap conventional Lyapunov or gradient controllers on invariant sets, yielding low final fidelities. We propose a hybrid control strategy that uses a number-theoretic exploration phase followed by a Lyapunov refinement. In the …</p><br/>[Phys. Rev. A 113, 042605] Published Thu Apr 09, 2026 Author(s): Eram Taslima and Shyam Kamal

Closed quantum systems with degenerate spectra or sparse couplings often trap conventional Lyapunov or gradient controllers on invariant sets, yielding low final fidelities. We propose a hybrid control strategy that uses a number-theoretic exploration phase followed by a Lyapunov refinement. In the …


[Phys. Rev. A 113, 042605] Published Thu Apr 09, 2026

]]> Ramanujan-modulated multitone control for high-fidelity quantum state preparation Eram Taslima and Shyam Kamal 2026-04-09T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042605 (2026) article doi:10.1103/xwvv-9hsf 10.1103/xwvv-9hsf Physical Review A 113 4 2026-04-09T10:00:00+00:00 http://link.aps.org/doi/10.1103/xwvv-9hsf 042605 Quantum technologies Quantum technologies Measuring multiparticle indistinguishability with the generalized bunching probability http://link.aps.org/doi/10.1103/1x5l-jd26 Author(s): Shawn Geller and Emanuel Knill<br/><p>The indistinguishability of many bosons undergoing passive linear transformations followed by number basis measurements is fully characterized by the visible state of the bosons. However, measuring all the parameters in the visible state is experimentally demanding. In this work, we seek to perform …</p><br/>[Phys. Rev. A 113, 042606] Published Thu Apr 09, 2026 Author(s): Shawn Geller and Emanuel Knill

The indistinguishability of many bosons undergoing passive linear transformations followed by number basis measurements is fully characterized by the visible state of the bosons. However, measuring all the parameters in the visible state is experimentally demanding. In this work, we seek to perform …


[Phys. Rev. A 113, 042606] Published Thu Apr 09, 2026

]]> Measuring multiparticle indistinguishability with the generalized bunching probability Shawn Geller and Emanuel Knill 2026-04-09T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042606 (2026) article doi:10.1103/1x5l-jd26 10.1103/1x5l-jd26 Physical Review A 113 4 2026-04-09T10:00:00+00:00 http://link.aps.org/doi/10.1103/1x5l-jd26 042606 Quantum technologies Quantum technologies Role of $3p→3d$ core-to-core resonance in the enhanced multiphoton ionization kinetics of Kr driven by x-ray free-electron laser http://link.aps.org/doi/10.1103/1pn5-zvsq Author(s): Jie Yan, Li Huang, Yongjun Li, Yong Hou, Fengtao Jin, Chongyang Chen, Cheng Gao, Jiaolong Zeng, and Jianmin Yuan<br/><p>We investigate the influence of $3p→3d$ core-to-core resonance on the transient level populations of Kr driven by x-ray free-electron laser pulses, using rate-equation approaches. The process begins with the predominant photoionization of $3d$ electrons, creating transient $3{d}^{−1}$ core holes. Th…</p><br/>[Phys. Rev. A 113, 043112] Published Thu Apr 09, 2026 Author(s): Jie Yan, Li Huang, Yongjun Li, Yong Hou, Fengtao Jin, Chongyang Chen, Cheng Gao, Jiaolong Zeng, and Jianmin Yuan

We investigate the influence of 3p→3d core-to-core resonance on the transient level populations of Kr driven by x-ray free-electron laser pulses, using rate-equation approaches. The process begins with the predominant photoionization of 3d electrons, creating transient 3d−1 core holes. These holes c…


[Phys. Rev. A 113, 043112] Published Thu Apr 09, 2026

]]> Role of $3p→3d$ core-to-core resonance in the enhanced multiphoton ionization kinetics of Kr driven by x-ray free-electron laser Jie Yan, Li Huang, Yongjun Li, Yong Hou, Fengtao Jin, Chongyang Chen, Cheng Gao, Jiaolong Zeng, and Jianmin Yuan 2026-04-09T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043112 (2026) article doi:10.1103/1pn5-zvsq 10.1103/1pn5-zvsq Physical Review A 113 4 2026-04-09T10:00:00+00:00 http://link.aps.org/doi/10.1103/1pn5-zvsq 043112 Light-induced processes in atomic-scale systems Light-induced processes in atomic-scale systems Finite-temperature phase diagram and collective modes of coherently coupled Bose mixtures http://link.aps.org/doi/10.1103/l529-9544 Author(s): Sunilkumar V, Rajat, Sandeep Gautam, and Arko Roy<br/><p>We investigate the ferromagnetic-paramagnetic phase transition in coherently (Rabi-)coupled Bose-Einstein condensates at zero and finite temperatures, exploring different routes to the transition by tuning the Rabi coupling or increasing the temperature at a fixed coupling. Using the Hartree-Fock-Bo…</p><br/>[Phys. Rev. A 113, 043310] Published Thu Apr 09, 2026 Author(s): Sunilkumar V, Rajat, Sandeep Gautam, and Arko Roy

We investigate the ferromagnetic-paramagnetic phase transition in coherently (Rabi-)coupled Bose-Einstein condensates at zero and finite temperatures, exploring different routes to the transition by tuning the Rabi coupling or increasing the temperature at a fixed coupling. Using the Hartree-Fock-Bo…


[Phys. Rev. A 113, 043310] Published Thu Apr 09, 2026

]]> Finite-temperature phase diagram and collective modes of coherently coupled Bose mixtures Sunilkumar V, Rajat, Sandeep Gautam, and Arko Roy 2026-04-09T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043310 (2026) article doi:10.1103/l529-9544 10.1103/l529-9544 Physical Review A 113 4 2026-04-09T10:00:00+00:00 http://link.aps.org/doi/10.1103/l529-9544 043310 Ultracold systems and matter waves Ultracold systems and matter waves Boosted fusion gates above the percolation threshold for scalable graph-state generation http://link.aps.org/doi/10.1103/xt7c-qv52 Author(s): Yong-Peng Guo, Geng-Yan Zou, Xing Ding, Qi-Hang Zhang, Mo-Chi Xu, Run-Ze Liu, Jun-Yi Zhao, Zhen-Xuan Ge, Li-Chao Peng, Ke-Mi Xu, Yi-Yang Lou, Zhen Ning, Lin-Jun Wang, Hui Wang, Yong-Heng Huo, Yu-Ming He, Chao-Yang Lu, and Jian-Wei Pan<br/><p>The authors demonstrate a boosted fusion gate for scalable graph-state generation using deterministically generated auxiliary photon states. The improved success probability surpasses the percolation threshold, and direct entanglement measurements are performed to verify the effectiveness of the fusion operation.</p><img src="//cdn.journals.aps.org/journals/PRA/key_images/10.1103/xt7c-qv52.png" width="200" height=\"100\"><br/>[Phys. Rev. A 113, L040602] Published Thu Apr 09, 2026 Author(s): Yong-Peng Guo, Geng-Yan Zou, Xing Ding, Qi-Hang Zhang, Mo-Chi Xu, Run-Ze Liu, Jun-Yi Zhao, Zhen-Xuan Ge, Li-Chao Peng, Ke-Mi Xu, Yi-Yang Lou, Zhen Ning, Lin-Jun Wang, Hui Wang, Yong-Heng Huo, Yu-Ming He, Chao-Yang Lu, and Jian-Wei Pan

The authors demonstrate a boosted fusion gate for scalable graph-state generation using deterministically generated auxiliary photon states. The improved success probability surpasses the percolation threshold, and direct entanglement measurements are performed to verify the effectiveness of the fusion operation.


[Phys. Rev. A 113, L040602] Published Thu Apr 09, 2026

]]> Boosted fusion gates above the percolation threshold for scalable graph-state generation Yong-Peng Guo, Geng-Yan Zou, Xing Ding, Qi-Hang Zhang, Mo-Chi Xu, Run-Ze Liu, Jun-Yi Zhao, Zhen-Xuan Ge, Li-Chao Peng, Ke-Mi Xu, Yi-Yang Lou, Zhen Ning, Lin-Jun Wang, Hui Wang, Yong-Heng Huo, Yu-Ming He, Chao-Yang Lu, and Jian-Wei Pan 2026-04-09T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, L040602 (2026) article doi:10.1103/xt7c-qv52 10.1103/xt7c-qv52 Physical Review A 113 4 2026-04-09T10:00:00+00:00 http://link.aps.org/doi/10.1103/xt7c-qv52 L040602 Quantum technologies Quantum technologies Chaos-mediated quantum state discrimination near unit fidelity http://link.aps.org/doi/10.1103/ymhj-l2j4 Author(s): Sourav Paul, Anant Vijay Varma, Yogesh N. Joglekar, and Sourin Das<br/><p>By harnessing the sensitivity of chaotic evolution, this study demonstrates how initially similar qubits can develop measurable differences in their temporal correlations, enabling high-fidelity discrimination.</p><img src="//cdn.journals.aps.org/journals/PRA/key_images/10.1103/ymhj-l2j4.png" width="200" height=\"100\"><br/>[Phys. Rev. A 113, L040603] Published Thu Apr 09, 2026 Author(s): Sourav Paul, Anant Vijay Varma, Yogesh N. Joglekar, and Sourin Das

By harnessing the sensitivity of chaotic evolution, this study demonstrates how initially similar qubits can develop measurable differences in their temporal correlations, enabling high-fidelity discrimination.


[Phys. Rev. A 113, L040603] Published Thu Apr 09, 2026

]]> Chaos-mediated quantum state discrimination near unit fidelity Sourav Paul, Anant Vijay Varma, Yogesh N. Joglekar, and Sourin Das 2026-04-09T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, L040603 (2026) article doi:10.1103/ymhj-l2j4 10.1103/ymhj-l2j4 Physical Review A 113 4 2026-04-09T10:00:00+00:00 http://link.aps.org/doi/10.1103/ymhj-l2j4 L040603 Quantum technologies Quantum technologies Polarization entanglement in atomic biphotons via orbital-angular-momentum-to-spin mapping http://link.aps.org/doi/10.1103/wlsg-f6kl Author(s): Chang-Wei Lin, Yi-Ting Ma, Jiun-Shiuan Shiu, and Yong-Fan Chen<br/><p>Polarization-entangled photon pairs are generated in a cold-atom system by coherently mapping orbital-angular-momentum correlations into the polarization basis. The scheme produces polarization entanglement without modifying the underlying atomic interaction or level structure.</p><img src="//cdn.journals.aps.org/journals/PRA/key_images/10.1103/wlsg-f6kl.png" width="200" height=\"100\"><br/>[Phys. Rev. A 113, L041702] Published Thu Apr 09, 2026 Author(s): Chang-Wei Lin, Yi-Ting Ma, Jiun-Shiuan Shiu, and Yong-Fan Chen

Polarization-entangled photon pairs are generated in a cold-atom system by coherently mapping orbital-angular-momentum correlations into the polarization basis. The scheme produces polarization entanglement without modifying the underlying atomic interaction or level structure.


[Phys. Rev. A 113, L041702] Published Thu Apr 09, 2026

]]> Polarization entanglement in atomic biphotons via orbital-angular-momentum-to-spin mapping Chang-Wei Lin, Yi-Ting Ma, Jiun-Shiuan Shiu, and Yong-Fan Chen 2026-04-09T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, L041702 (2026) article doi:10.1103/wlsg-f6kl 10.1103/wlsg-f6kl Physical Review A 113 4 2026-04-09T10:00:00+00:00 http://link.aps.org/doi/10.1103/wlsg-f6kl L041702 Quantum optics Quantum optics Semi-device-independent randomness certification on discretized continuous-variable platforms http://link.aps.org/doi/10.1103/z3s5-bhb7 Author(s): Moisés Alves, Vitor L. Sena, Santiago Zamora, Tailan S. Sarubi, A. de Oliveira Junior, Alexandre B. Tacla, and Rafael Chaves<br/><p>Randomness is fundamental for secure communication and information processing. While continuous-variable optical systems offer an attractive platform for this task, certifying genuine quantum randomness in such setups remains challenging. We present a semi-device-independent scheme for randomness ce…</p><br/>[Phys. Rev. A 113, 042418] Published Wed Apr 08, 2026 Author(s): Moisés Alves, Vitor L. Sena, Santiago Zamora, Tailan S. Sarubi, A. de Oliveira Junior, Alexandre B. Tacla, and Rafael Chaves

Randomness is fundamental for secure communication and information processing. While continuous-variable optical systems offer an attractive platform for this task, certifying genuine quantum randomness in such setups remains challenging. We present a semi-device-independent scheme for randomness ce…


[Phys. Rev. A 113, 042418] Published Wed Apr 08, 2026

]]> Semi-device-independent randomness certification on discretized continuous-variable platforms Moisés Alves, Vitor L. Sena, Santiago Zamora, Tailan S. Sarubi, A. de Oliveira Junior, Alexandre B. Tacla, and Rafael Chaves 2026-04-08T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042418 (2026) article doi:10.1103/z3s5-bhb7 10.1103/z3s5-bhb7 Physical Review A 113 4 2026-04-08T10:00:00+00:00 http://link.aps.org/doi/10.1103/z3s5-bhb7 042418 Quantum information science Quantum information science Quantum speed limits based on Jensen-Shannon and Jeffreys divergences for general physical processes http://link.aps.org/doi/10.1103/qnd8-dww7 Author(s): Jucelino Ferreira de Sousa and Diego Paiva Pires<br/><p>We discuss quantum speed limits (QSLs) for finite-dimensional quantum systems undergoing general physical processes. These QSLs were obtained using two families of entropic measures, namely, the square root of the Jensen-Shannon divergence, which in turn defines a faithful distance of quantum states…</p><br/>[Phys. Rev. A 113, 042419] Published Wed Apr 08, 2026 Author(s): Jucelino Ferreira de Sousa and Diego Paiva Pires

We discuss quantum speed limits (QSLs) for finite-dimensional quantum systems undergoing general physical processes. These QSLs were obtained using two families of entropic measures, namely, the square root of the Jensen-Shannon divergence, which in turn defines a faithful distance of quantum states…


[Phys. Rev. A 113, 042419] Published Wed Apr 08, 2026

]]> Quantum speed limits based on Jensen-Shannon and Jeffreys divergences for general physical processes Jucelino Ferreira de Sousa and Diego Paiva Pires 2026-04-08T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042419 (2026) article doi:10.1103/qnd8-dww7 10.1103/qnd8-dww7 Physical Review A 113 4 2026-04-08T10:00:00+00:00 http://link.aps.org/doi/10.1103/qnd8-dww7 042419 Quantum information science Quantum information science Phase estimation with compressed controlled time evolution http://link.aps.org/doi/10.1103/j26w-w48j Author(s): Erenay Karacan<br/><p>Many optimally scaling quantum simulation algorithms employ controlled time evolution of the Hamiltonian, which is typically the major bottleneck for their efficient implementation. This work establishes a compression protocol for encoding the controlled time evolution operator of translationally in…</p><br/>[Phys. Rev. A 113, 042420] Published Wed Apr 08, 2026 Author(s): Erenay Karacan

Many optimally scaling quantum simulation algorithms employ controlled time evolution of the Hamiltonian, which is typically the major bottleneck for their efficient implementation. This work establishes a compression protocol for encoding the controlled time evolution operator of translationally in…


[Phys. Rev. A 113, 042420] Published Wed Apr 08, 2026

]]> Phase estimation with compressed controlled time evolution Erenay Karacan 2026-04-08T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042420 (2026) article doi:10.1103/j26w-w48j 10.1103/j26w-w48j Physical Review A 113 4 2026-04-08T10:00:00+00:00 http://link.aps.org/doi/10.1103/j26w-w48j 042420 Quantum information science Quantum information science Molecular effects in low-energy muon transfer from muonic hydrogen to oxygen http://link.aps.org/doi/10.1103/k7fc-l7st Author(s): I. Boradjiev <em>et al.</em><br/><p>In the present study we determine from the available experimental data the cross section of muon transfer to molecular oxygen at low energies with an account of the oxygen molecule structure. Building on an earlier work, the results highlight the role of the molecular structure effects and significa…</p><br/>[Phys. Rev. A 113, 042806] Published Wed Apr 08, 2026 Author(s): I. Boradjiev et al.

In the present study we determine from the available experimental data the cross section of muon transfer to molecular oxygen at low energies with an account of the oxygen molecule structure. Building on an earlier work, the results highlight the role of the molecular structure effects and significa…


[Phys. Rev. A 113, 042806] Published Wed Apr 08, 2026

]]> Molecular effects in low-energy muon transfer from muonic hydrogen to oxygen I. Boradjiev <em>et al.</em> 2026-04-08T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042806 (2026) article doi:10.1103/k7fc-l7st 10.1103/k7fc-l7st Physical Review A 113 4 2026-04-08T10:00:00+00:00 http://link.aps.org/doi/10.1103/k7fc-l7st 042806 Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Formation of HDO, ${\mathrm{OH}}^{−}$, and ${\mathrm{OD}}^{−}$ in low-energy ${\mathrm{O}}^{−}+$ HD collisions http://link.aps.org/doi/10.1103/jwhb-rlkj Author(s): Jiří Táborský, Martin Čížek, Karel Houfek, Štěpán Roučka, Daniel Rednyk, Octavio Emmanuel Hernández Alvarez, Thuy Dung Tran, Artem Kovalenko, Petr Dohnal, Radek Plašil, and Juraj Glosík<br/><p>This paper presents a combined theoretical and experimental study of the collisions between oxygen anions $({\mathrm{O}}^{−})$ and HD molecules. The thermal rate coefficients for associative electron detachment (HDO molecule formation), hydrogen transfer (${\mathrm{OH}}^{−}$ ion formation), and deut…</p><br/>[Phys. Rev. A 113, 042807] Published Wed Apr 08, 2026 Author(s): Jiří Táborský, Martin Čížek, Karel Houfek, Štěpán Roučka, Daniel Rednyk, Octavio Emmanuel Hernández Alvarez, Thuy Dung Tran, Artem Kovalenko, Petr Dohnal, Radek Plašil, and Juraj Glosík

This paper presents a combined theoretical and experimental study of the collisions between oxygen anions (O−) and HD molecules. The thermal rate coefficients for associative electron detachment (HDO molecule formation), hydrogen transfer (OH− ion formation), and deuterium transfer (OD− ion formatio…


[Phys. Rev. A 113, 042807] Published Wed Apr 08, 2026

]]> Formation of HDO, ${\mathrm{OH}}^{−}$, and ${\mathrm{OD}}^{−}$ in low-energy ${\mathrm{O}}^{−}+$ HD collisions Jiří Táborský, Martin Čížek, Karel Houfek, Štěpán Roučka, Daniel Rednyk, Octavio Emmanuel Hernández Alvarez, Thuy Dung Tran, Artem Kovalenko, Petr Dohnal, Radek Plašil, and Juraj Glosík 2026-04-08T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042807 (2026) article doi:10.1103/jwhb-rlkj 10.1103/jwhb-rlkj Physical Review A 113 4 2026-04-08T10:00:00+00:00 http://link.aps.org/doi/10.1103/jwhb-rlkj 042807 Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Ultrafast x-ray imaging of coherently controlled molecular dynamics in real space and time http://link.aps.org/doi/10.1103/f5kj-bzx8 Author(s): Thomas R. Hopper, James M. Glownia, and Adi Natan<br/><p>Coherent control aims to manipulate chemical processes on the latent length and timescales of atoms and bonds, scales that are intrinsic to molecular dynamics but not directly resolved by most experimental probes. As a result, existing coherent-control experiments, which overwhelmingly rely on spect…</p><br/>[Phys. Rev. A 113, 043111] Published Wed Apr 08, 2026 Author(s): Thomas R. Hopper, James M. Glownia, and Adi Natan

Coherent control aims to manipulate chemical processes on the latent length and timescales of atoms and bonds, scales that are intrinsic to molecular dynamics but not directly resolved by most experimental probes. As a result, existing coherent-control experiments, which overwhelmingly rely on spect…


[Phys. Rev. A 113, 043111] Published Wed Apr 08, 2026

]]> Ultrafast x-ray imaging of coherently controlled molecular dynamics in real space and time Thomas R. Hopper, James M. Glownia, and Adi Natan 2026-04-08T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043111 (2026) article doi:10.1103/f5kj-bzx8 10.1103/f5kj-bzx8 Physical Review A 113 4 2026-04-08T10:00:00+00:00 http://link.aps.org/doi/10.1103/f5kj-bzx8 043111 Light-induced processes in atomic-scale systems Light-induced processes in atomic-scale systems Bloch oscillations of a mobile impurity in a one-dimensional Bose gas http://link.aps.org/doi/10.1103/bfcg-m2tw Author(s): Saptarshi Majumdar and Aleksandra Petković<br/><p>We study the motion of an impurity under the action of a constant force through a one-dimensional system of weakly interacting homogeneous bosons. The interplay of the impurity-boson interaction, the boson-boson interaction, and the driving force gives rise to a rich dynamics. We focus on the influe…</p><br/>[Phys. Rev. A 113, 043309] Published Wed Apr 08, 2026 Author(s): Saptarshi Majumdar and Aleksandra Petković

We study the motion of an impurity under the action of a constant force through a one-dimensional system of weakly interacting homogeneous bosons. The interplay of the impurity-boson interaction, the boson-boson interaction, and the driving force gives rise to a rich dynamics. We focus on the influe…


[Phys. Rev. A 113, 043309] Published Wed Apr 08, 2026

]]> Bloch oscillations of a mobile impurity in a one-dimensional Bose gas Saptarshi Majumdar and Aleksandra Petković 2026-04-08T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043309 (2026) article doi:10.1103/bfcg-m2tw 10.1103/bfcg-m2tw Physical Review A 113 4 2026-04-08T10:00:00+00:00 http://link.aps.org/doi/10.1103/bfcg-m2tw 043309 Ultracold systems and matter waves Ultracold systems and matter waves Generation of subfemtosecond deep and vacuum UV pulses via two-photon Rabi oscillations in alkali-metal atoms or alkaline-earth-metal ions http://link.aps.org/doi/10.1103/fzcp-wlqw Author(s): I. R. Khairulin, A. A. Romanov, A. A. Silaev, M. Yu. Ryabikin, and V. A. Antonov<br/><p>A method is proposed for the formation of femtosecond and subfemtosecond pulses of the deep ultraviolet and vacuum ultraviolet radiation via generation of the third harmonic of femtosecond laser pulses during their resonant interaction with alkali-metal atoms or alkaline-earth-metal ions. The pulse …</p><br/>[Phys. Rev. A 113, 043508] Published Wed Apr 08, 2026 Author(s): I. R. Khairulin, A. A. Romanov, A. A. Silaev, M. Yu. Ryabikin, and V. A. Antonov

A method is proposed for the formation of femtosecond and subfemtosecond pulses of the deep ultraviolet and vacuum ultraviolet radiation via generation of the third harmonic of femtosecond laser pulses during their resonant interaction with alkali-metal atoms or alkaline-earth-metal ions. The pulse …


[Phys. Rev. A 113, 043508] Published Wed Apr 08, 2026

]]> Generation of subfemtosecond deep and vacuum UV pulses via two-photon Rabi oscillations in alkali-metal atoms or alkaline-earth-metal ions I. R. Khairulin, A. A. Romanov, A. A. Silaev, M. Yu. Ryabikin, and V. A. Antonov 2026-04-08T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043508 (2026) article doi:10.1103/fzcp-wlqw 10.1103/fzcp-wlqw Physical Review A 113 4 2026-04-08T10:00:00+00:00 http://link.aps.org/doi/10.1103/fzcp-wlqw 043508 Photonics, nonlinear optics, and optomechanics Photonics, nonlinear optics, and optomechanics Enhanced third-order cross-nonlinearity in four-level and three-level systems http://link.aps.org/doi/10.1103/w4nc-jpkk Author(s): Yifan Yao, Yupeng Duan, and Yingjie Du<br/><p>We present a theoretical investigation of third-order cross-nonlinearity in an $N$-type four-level system and a ladder-type three-level system, as a major extension of prior work [<a href="http://dx.doi.org/10.1103/PhysRevLett.91.093601"><span>Phys. Rev. Lett.</span> <b>91</b>, 093601 (2003)</a>]. The third-order cross-nonlinearity in the $N$-type four-level system can be enhance…</p><br/>[Phys. Rev. A 113, 043509] Published Wed Apr 08, 2026 Author(s): Yifan Yao, Yupeng Duan, and Yingjie Du

We present a theoretical investigation of third-order cross-nonlinearity in an N-type four-level system and a ladder-type three-level system, as a major extension of prior work [Phys. Rev. Lett. 91, 093601 (2003)]. The third-order cross-nonlinearity in the N-type four-level system can be enhanced wi…


[Phys. Rev. A 113, 043509] Published Wed Apr 08, 2026

]]> Enhanced third-order cross-nonlinearity in four-level and three-level systems Yifan Yao, Yupeng Duan, and Yingjie Du 2026-04-08T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043509 (2026) article doi:10.1103/w4nc-jpkk 10.1103/w4nc-jpkk Physical Review A 113 4 2026-04-08T10:00:00+00:00 http://link.aps.org/doi/10.1103/w4nc-jpkk 043509 Photonics, nonlinear optics, and optomechanics Photonics, nonlinear optics, and optomechanics Analytical and numerical studies of periodic superradiance http://link.aps.org/doi/10.1103/fvvx-wtyd Author(s): Hideaki Hara, Yuki Miyamoto, Junseok Han, Riku Omoto, Yasutaka Imai, Akihiro Yoshimi, Koji Yoshimura, Motohiko Yoshimura, and Noboru Sasao<br/><p>We conduct a theoretical study to understand the periodic superradiance observed in an Er:YSO crystal. First, we construct a model based on the Maxwell-Bloch equations for a reduced level system, a pair of superradiance states, and a population reservoir state. Analysis of the eigenvalues of the lin…</p><br/>[Phys. Rev. A 113, 043713] Published Wed Apr 08, 2026 Author(s): Hideaki Hara, Yuki Miyamoto, Junseok Han, Riku Omoto, Yasutaka Imai, Akihiro Yoshimi, Koji Yoshimura, Motohiko Yoshimura, and Noboru Sasao

We conduct a theoretical study to understand the periodic superradiance observed in an Er:YSO crystal. First, we construct a model based on the Maxwell-Bloch equations for a reduced level system, a pair of superradiance states, and a population reservoir state. Analysis of the eigenvalues of the lin…


[Phys. Rev. A 113, 043713] Published Wed Apr 08, 2026

]]> Analytical and numerical studies of periodic superradiance Hideaki Hara, Yuki Miyamoto, Junseok Han, Riku Omoto, Yasutaka Imai, Akihiro Yoshimi, Koji Yoshimura, Motohiko Yoshimura, and Noboru Sasao 2026-04-08T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043713 (2026) article doi:10.1103/fvvx-wtyd 10.1103/fvvx-wtyd Physical Review A 113 4 2026-04-08T10:00:00+00:00 http://link.aps.org/doi/10.1103/fvvx-wtyd 043713 Quantum optics Quantum optics Beats in multipath coherent-population-trapping–Ramsey interferometry and their applications http://link.aps.org/doi/10.1103/dgyp-fywx Author(s): Haihua He, Jiawei Fang, Zhi Tan, Changyue Sun, Min Zhuang, Bo Lu, Chengyin Han, and Chaohong Lee<br/><p>Beats arising from the interference among waves with different frequencies have emerged as a powerful tool for precision measurements. In a $lin||lin$ coherent-population-trapping (CPT) clock, such beats can be induced by a double-$\mathrm{Λ}$ CPT transition that shares a common excited state. Here …</p><br/>[Phys. Rev. A 113, 043714] Published Wed Apr 08, 2026 Author(s): Haihua He, Jiawei Fang, Zhi Tan, Changyue Sun, Min Zhuang, Bo Lu, Chengyin Han, and Chaohong Lee

Beats arising from the interference among waves with different frequencies have emerged as a powerful tool for precision measurements. In a lin||lin coherent-population-trapping (CPT) clock, such beats can be induced by a double-Λ CPT transition that shares a common excited state. Here we employ CPT…


[Phys. Rev. A 113, 043714] Published Wed Apr 08, 2026

]]> Beats in multipath coherent-population-trapping–Ramsey interferometry and their applications Haihua He, Jiawei Fang, Zhi Tan, Changyue Sun, Min Zhuang, Bo Lu, Chengyin Han, and Chaohong Lee 2026-04-08T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043714 (2026) article doi:10.1103/dgyp-fywx 10.1103/dgyp-fywx Physical Review A 113 4 2026-04-08T10:00:00+00:00 http://link.aps.org/doi/10.1103/dgyp-fywx 043714 Quantum optics Quantum optics Coherent polarization self-rotation http://link.aps.org/doi/10.1103/3m6y-sfx8 Author(s): Roy Shaham, Orr Meron, Or Katz, Dimitry Yankelev, and Ofer Firstenberg<br/><p>We introduce and study coherent polarization self-rotation (CPSR), a two-photon light-matter interaction in dense alkali-metal vapors that enables both narrowband optical spectroscopy of magnetic transitions and coherent coupling between light and collective atomic spins. Unlike conventional polariz…</p><br/>[Phys. Rev. A 113, 043715] Published Wed Apr 08, 2026 Author(s): Roy Shaham, Orr Meron, Or Katz, Dimitry Yankelev, and Ofer Firstenberg

We introduce and study coherent polarization self-rotation (CPSR), a two-photon light-matter interaction in dense alkali-metal vapors that enables both narrowband optical spectroscopy of magnetic transitions and coherent coupling between light and collective atomic spins. Unlike conventional polariz…


[Phys. Rev. A 113, 043715] Published Wed Apr 08, 2026

]]> Coherent polarization self-rotation Roy Shaham, Orr Meron, Or Katz, Dimitry Yankelev, and Ofer Firstenberg 2026-04-08T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043715 (2026) article doi:10.1103/3m6y-sfx8 10.1103/3m6y-sfx8 Physical Review A 113 4 2026-04-08T10:00:00+00:00 http://link.aps.org/doi/10.1103/3m6y-sfx8 043715 Quantum optics Quantum optics Directional quantum scattering transducer in cooperative Rydberg metasurfaces http://link.aps.org/doi/10.1103/mg88-28r6 Author(s): Jonas von Milczewski, Kelly Werker Smith, and Susanne F. Yelin<br/><p>The authors introduce a single-photon transduction scheme based on two-dimensional arrays of Rydberg atoms using four-wave mixing and quantum scattering. It may allow for efficient and mode-selective terahertz-to-optical transduction.</p><img src="//cdn.journals.aps.org/journals/PRA/key_images/10.1103/mg88-28r6.png" width="200" height=\"100\"><br/>[Phys. Rev. A 113, 043716] Published Wed Apr 08, 2026 Author(s): Jonas von Milczewski, Kelly Werker Smith, and Susanne F. Yelin

The authors introduce a single-photon transduction scheme based on two-dimensional arrays of Rydberg atoms using four-wave mixing and quantum scattering. It may allow for efficient and mode-selective terahertz-to-optical transduction.


[Phys. Rev. A 113, 043716] Published Wed Apr 08, 2026

]]> Directional quantum scattering transducer in cooperative Rydberg metasurfaces Jonas von Milczewski, Kelly Werker Smith, and Susanne F. Yelin 2026-04-08T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043716 (2026) article doi:10.1103/mg88-28r6 10.1103/mg88-28r6 Physical Review A 113 4 2026-04-08T10:00:00+00:00 http://link.aps.org/doi/10.1103/mg88-28r6 043716 Quantum optics Quantum optics Generalized Schawlow-Townes limit http://link.aps.org/doi/10.1103/6t5c-swxn Author(s): Hudson Loughlin and Vivishek Sudhir<br/><p>We study a class of feedback oscillators realized by a phase-insensitive amplifier in positive feedback, where either the amplifier or the feedback element may determine the oscillator's linewidth. The spectral purity of the output of such a device originates from basic demands of quantum mechanics …</p><br/>[Phys. Rev. A 113, 043717] Published Wed Apr 08, 2026 Author(s): Hudson Loughlin and Vivishek Sudhir

We study a class of feedback oscillators realized by a phase-insensitive amplifier in positive feedback, where either the amplifier or the feedback element may determine the oscillator's linewidth. The spectral purity of the output of such a device originates from basic demands of quantum mechanics …


[Phys. Rev. A 113, 043717] Published Wed Apr 08, 2026

]]> Generalized Schawlow-Townes limit Hudson Loughlin and Vivishek Sudhir 2026-04-08T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043717 (2026) article doi:10.1103/6t5c-swxn 10.1103/6t5c-swxn Physical Review A 113 4 2026-04-08T10:00:00+00:00 http://link.aps.org/doi/10.1103/6t5c-swxn 043717 Quantum optics Quantum optics Quantum telegraph behavior without photons http://link.aps.org/doi/10.1103/t4rs-ncw8 Author(s): Truong-Son P. Văn, Daniel Maienshein, and David W. Snoke<br/><p>We show that a simple model of non-Hermitian noise gives rise to the telegraph switching behavior seen in experiments with single qubits, without any reference to the existence of photons as corpuscles. This lends support to a continuous collapse interpretation of quantum mechanics, but can also be …</p><br/>[Phys. Rev. A 113, 042208] Published Tue Apr 07, 2026 Author(s): Truong-Son P. Văn, Daniel Maienshein, and David W. Snoke

We show that a simple model of non-Hermitian noise gives rise to the telegraph switching behavior seen in experiments with single qubits, without any reference to the existence of photons as corpuscles. This lends support to a continuous collapse interpretation of quantum mechanics, but can also be …


[Phys. Rev. A 113, 042208] Published Tue Apr 07, 2026

]]> Quantum telegraph behavior without photons Truong-Son P. Văn, Daniel Maienshein, and David W. Snoke 2026-04-07T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042208 (2026) article doi:10.1103/t4rs-ncw8 10.1103/t4rs-ncw8 Physical Review A 113 4 2026-04-07T10:00:00+00:00 http://link.aps.org/doi/10.1103/t4rs-ncw8 042208 Fundamental concepts Fundamental concepts Imprecise quantum steering inequalities in tripartite systems http://link.aps.org/doi/10.1103/g7zk-9w9j Author(s): Yan Zhao, Li-Juan Li, Zheng-Peng Xu, Liu Ye, and Dong Wang<br/><p>Quantum steering, as a manifestation of nonlocal quantum correlations, plays a crucial role in enabling various quantum information processing tasks. However, practical implementations are often hindered by significant challenges arising from imperfect or untrusted measurement devices. This study in…</p><br/>[Phys. Rev. A 113, 042417] Published Tue Apr 07, 2026 Author(s): Yan Zhao, Li-Juan Li, Zheng-Peng Xu, Liu Ye, and Dong Wang

Quantum steering, as a manifestation of nonlocal quantum correlations, plays a crucial role in enabling various quantum information processing tasks. However, practical implementations are often hindered by significant challenges arising from imperfect or untrusted measurement devices. This study in…


[Phys. Rev. A 113, 042417] Published Tue Apr 07, 2026

]]> Imprecise quantum steering inequalities in tripartite systems Yan Zhao, Li-Juan Li, Zheng-Peng Xu, Liu Ye, and Dong Wang 2026-04-07T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042417 (2026) article doi:10.1103/g7zk-9w9j 10.1103/g7zk-9w9j Physical Review A 113 4 2026-04-07T10:00:00+00:00 http://link.aps.org/doi/10.1103/g7zk-9w9j 042417 Quantum information science Quantum information science Benchmarking single-qubit gates on a neutral-atom quantum processor http://link.aps.org/doi/10.1103/vbwh-sk7s Author(s): A. Rozanov, B. Bantysh, I. Bobrov, G. Struchalin, and S. Straupe<br/><p>We present benchmarking results for single-qubit gates implemented on a neutral-atom quantum processor using direct randomized benchmarking (DRB) and gate-set tomography (GST). The DRB protocol involves preparing stabilizer states, applying $m$ layers of native single-qubit gates, and measuring in t…</p><br/>[Phys. Rev. A 113, 042603] Published Tue Apr 07, 2026 Author(s): A. Rozanov, B. Bantysh, I. Bobrov, G. Struchalin, and S. Straupe

We present benchmarking results for single-qubit gates implemented on a neutral-atom quantum processor using direct randomized benchmarking (DRB) and gate-set tomography (GST). The DRB protocol involves preparing stabilizer states, applying m layers of native single-qubit gates, and measuring in the…


[Phys. Rev. A 113, 042603] Published Tue Apr 07, 2026

]]> Benchmarking single-qubit gates on a neutral-atom quantum processor A. Rozanov, B. Bantysh, I. Bobrov, G. Struchalin, and S. Straupe 2026-04-07T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042603 (2026) article doi:10.1103/vbwh-sk7s 10.1103/vbwh-sk7s Physical Review A 113 4 2026-04-07T10:00:00+00:00 http://link.aps.org/doi/10.1103/vbwh-sk7s 042603 Quantum technologies Quantum technologies Creating qubit states with degenerate two-level systems http://link.aps.org/doi/10.1103/n284-bpds Author(s): Zhuoran Bao and Daniel F. V. James<br/><p>A qubit, or quantum bit, is conventionally defined as “a physical system for storing information that is capable of existing in either of two quantum states or in a superposition of both” [<i>Oxford English Dictionary</i> (Oxford University Press, 2025)]. In this paper, we examine the simple question of wh…</p><br/>[Phys. Rev. A 113, 042604] Published Tue Apr 07, 2026 Author(s): Zhuoran Bao and Daniel F. V. James

A qubit, or quantum bit, is conventionally defined as “a physical system for storing information that is capable of existing in either of two quantum states or in a superposition of both” [Oxford English Dictionary (Oxford University Press, 2025)]. In this paper, we examine the simple question of wh…


[Phys. Rev. A 113, 042604] Published Tue Apr 07, 2026

]]> Creating qubit states with degenerate two-level systems Zhuoran Bao and Daniel F. V. James 2026-04-07T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042604 (2026) article doi:10.1103/n284-bpds 10.1103/n284-bpds Physical Review A 113 4 2026-04-07T10:00:00+00:00 http://link.aps.org/doi/10.1103/n284-bpds 042604 Quantum technologies Quantum technologies Revealing signals of higher-order nonlinear showers in particle-laser collisions http://link.aps.org/doi/10.1103/d876-p7pw Author(s): T. G. Blackburn, B. King, and M. Samuelsson<br/><p>Several high-power laser facilities are reaching field strengths where leading-order strong-field quantum electrodynamical (QED) processes can be measured in the regime of nonperturbative charge-field interaction. At very high, as yet unobtainable in the laboratory, field strengths, the contribution…</p><br/>[Phys. Rev. A 113, 043109] Published Tue Apr 07, 2026 Author(s): T. G. Blackburn, B. King, and M. Samuelsson

Several high-power laser facilities are reaching field strengths where leading-order strong-field quantum electrodynamical (QED) processes can be measured in the regime of nonperturbative charge-field interaction. At very high, as yet unobtainable in the laboratory, field strengths, the contribution…


[Phys. Rev. A 113, 043109] Published Tue Apr 07, 2026

]]> Revealing signals of higher-order nonlinear showers in particle-laser collisions T. G. Blackburn, B. King, and M. Samuelsson 2026-04-07T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043109 (2026) article doi:10.1103/d876-p7pw 10.1103/d876-p7pw Physical Review A 113 4 2026-04-07T10:00:00+00:00 http://link.aps.org/doi/10.1103/d876-p7pw 043109 Light-induced processes in atomic-scale systems Light-induced processes in atomic-scale systems Dichroic electron emission patterns from oriented helium ions http://link.aps.org/doi/10.1103/3z51-5g8k Author(s): Niclas Wieland, Klaus Bartschat, Filippa Dudda, René Wagner, Philipp Schmidt, Carlo Callegari, Alexander Demidovich, Giovanni De Ninno, Michele Di Fraia, Jiri Hofbrucker, Michele Manfredda, Valerija Music, Oksana Plekan, Kevin C. Prince, Daniel E. Rivas, Marco Zangrando, Nicolas Douguet, Alexei N. Grum-Grzhimailo, Michael Meyer, and Markus Ilchen<br/><p>We report a joint experimental and theoretical study using a combination of polarization-controlled free-electron-laser (FEL) and near-infrared (NIR) pulses in a synchronized two-color photoionization scheme. Excited ${\mathrm{He}}^{+}$ ions, created by extreme ultraviolet (XUV) circularly polarized…</p><br/>[Phys. Rev. A 113, 043110] Published Tue Apr 07, 2026 Author(s): Niclas Wieland, Klaus Bartschat, Filippa Dudda, René Wagner, Philipp Schmidt, Carlo Callegari, Alexander Demidovich, Giovanni De Ninno, Michele Di Fraia, Jiri Hofbrucker, Michele Manfredda, Valerija Music, Oksana Plekan, Kevin C. Prince, Daniel E. Rivas, Marco Zangrando, Nicolas Douguet, Alexei N. Grum-Grzhimailo, Michael Meyer, and Markus Ilchen

We report a joint experimental and theoretical study using a combination of polarization-controlled free-electron-laser (FEL) and near-infrared (NIR) pulses in a synchronized two-color photoionization scheme. Excited He+ ions, created by extreme ultraviolet (XUV) circularly polarized radiation from …


[Phys. Rev. A 113, 043110] Published Tue Apr 07, 2026

]]> Dichroic electron emission patterns from oriented helium ions Niclas Wieland, Klaus Bartschat, Filippa Dudda, René Wagner, Philipp Schmidt, Carlo Callegari, Alexander Demidovich, Giovanni De Ninno, Michele Di Fraia, Jiri Hofbrucker, Michele Manfredda, Valerija Music, Oksana Plekan, Kevin C. Prince, Daniel E. Rivas, Marco Zangrando, Nicolas Douguet, Alexei N. Grum-Grzhimailo, Michael Meyer, and Markus Ilchen 2026-04-07T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043110 (2026) article doi:10.1103/3z51-5g8k 10.1103/3z51-5g8k Physical Review A 113 4 2026-04-07T10:00:00+00:00 http://link.aps.org/doi/10.1103/3z51-5g8k 043110 Light-induced processes in atomic-scale systems Light-induced processes in atomic-scale systems Influence of atomic diffusion on the shape of electromagnetically induced transparency resonance in a gas cell with a buffer gas http://link.aps.org/doi/10.1103/897w-fjyp Author(s): K. A. Barantsev, G. V. Voloshin, A. N. Litvinov, and E. K. Rozhkov<br/><p>In this work we investigate the influence of atomic diffusion effects on the resonance of electromagnetically induced transparency (EIT) in gas cells filled with three-level atoms and a buffer gas. The influence of the end walls and diffusion of atoms at the wavelength of laser field beats is studie…</p><br/>[Phys. Rev. A 113, 043507] Published Tue Apr 07, 2026 Author(s): K. A. Barantsev, G. V. Voloshin, A. N. Litvinov, and E. K. Rozhkov

In this work we investigate the influence of atomic diffusion effects on the resonance of electromagnetically induced transparency (EIT) in gas cells filled with three-level atoms and a buffer gas. The influence of the end walls and diffusion of atoms at the wavelength of laser field beats is studie…


[Phys. Rev. A 113, 043507] Published Tue Apr 07, 2026

]]> Influence of atomic diffusion on the shape of electromagnetically induced transparency resonance in a gas cell with a buffer gas K. A. Barantsev, G. V. Voloshin, A. N. Litvinov, and E. K. Rozhkov 2026-04-07T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043507 (2026) article doi:10.1103/897w-fjyp 10.1103/897w-fjyp Physical Review A 113 4 2026-04-07T10:00:00+00:00 http://link.aps.org/doi/10.1103/897w-fjyp 043507 Photonics, nonlinear optics, and optomechanics Photonics, nonlinear optics, and optomechanics Single-photon superradiance and subradiance in helical collectives of quantum emitters http://link.aps.org/doi/10.1103/t828-mh95 Author(s): Hamza Patwa and Philip Kurian<br/><p>Collective emission of light from distributions of two-level systems was first predicted in 1954 by Robert Dicke, who showed that when $N$ quantum emitters absorb photons, their collective radiative decay rate can be significantly enhanced (superradiance) or suppressed (subradiance) relative to the …</p><br/>[Phys. Rev. A 113, 043708] Published Tue Apr 07, 2026 Author(s): Hamza Patwa and Philip Kurian

Collective emission of light from distributions of two-level systems was first predicted in 1954 by Robert Dicke, who showed that when N quantum emitters absorb photons, their collective radiative decay rate can be significantly enhanced (superradiance) or suppressed (subradiance) relative to the si…


[Phys. Rev. A 113, 043708] Published Tue Apr 07, 2026

]]> Single-photon superradiance and subradiance in helical collectives of quantum emitters Hamza Patwa and Philip Kurian 2026-04-07T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043708 (2026) article doi:10.1103/t828-mh95 10.1103/t828-mh95 Physical Review A 113 4 2026-04-07T10:00:00+00:00 http://link.aps.org/doi/10.1103/t828-mh95 043708 Quantum optics Quantum optics Spectroscopy of quantum phase slips: Visualizing complex real-time instantons http://link.aps.org/doi/10.1103/bkyx-wwv1 Author(s): Foster Thompson, Daniel K. J. Boneß, Mark Dykman, and Alex Kamenev<br/><p>Parametrically driven oscillators can emerge as a basis for the next generation of qubits. Classically, these systems exhibit two stable oscillatory states with opposite phases. Upon quantization, these states turn into a pair of closely spaced Floquet states, which can serve as the logical basis fo…</p><br/>[Phys. Rev. A 113, 043712] Published Tue Apr 07, 2026 Author(s): Foster Thompson, Daniel K. J. Boneß, Mark Dykman, and Alex Kamenev

Parametrically driven oscillators can emerge as a basis for the next generation of qubits. Classically, these systems exhibit two stable oscillatory states with opposite phases. Upon quantization, these states turn into a pair of closely spaced Floquet states, which can serve as the logical basis fo…


[Phys. Rev. A 113, 043712] Published Tue Apr 07, 2026

]]> Spectroscopy of quantum phase slips: Visualizing complex real-time instantons Foster Thompson, Daniel K. J. Boneß, Mark Dykman, and Alex Kamenev 2026-04-07T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043712 (2026) article doi:10.1103/bkyx-wwv1 10.1103/bkyx-wwv1 Physical Review A 113 4 2026-04-07T10:00:00+00:00 http://link.aps.org/doi/10.1103/bkyx-wwv1 043712 Quantum optics Quantum optics Orbital orientation resolving real-time attosecond ionization and rescattering dynamics http://link.aps.org/doi/10.1103/973m-hf5y Author(s): Lin Han, Jing-Jing Zhang, Hong-Gang Luo, and Peng-Cheng Li<br/><p>Real-time attosecond dynamics of ionization and rescattering from individual atomic orbitals are tracked using a theoretical framework that combines time-dependent density functional theory with Bohmian mechanics.</p><img src="//cdn.journals.aps.org/journals/PRA/key_images/10.1103/973m-hf5y.png" width="200" height=\"100\"><br/>[Phys. Rev. A 113, L041101] Published Tue Apr 07, 2026 Author(s): Lin Han, Jing-Jing Zhang, Hong-Gang Luo, and Peng-Cheng Li

Real-time attosecond dynamics of ionization and rescattering from individual atomic orbitals are tracked using a theoretical framework that combines time-dependent density functional theory with Bohmian mechanics.


[Phys. Rev. A 113, L041101] Published Tue Apr 07, 2026

]]> Orbital orientation resolving real-time attosecond ionization and rescattering dynamics Lin Han, Jing-Jing Zhang, Hong-Gang Luo, and Peng-Cheng Li 2026-04-07T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, L041101 (2026) article doi:10.1103/973m-hf5y 10.1103/973m-hf5y Physical Review A 113 4 2026-04-07T10:00:00+00:00 http://link.aps.org/doi/10.1103/973m-hf5y L041101 Light-induced processes in atomic-scale systems Light-induced processes in atomic-scale systems Quantum speed limit in open quantum systems: A stochastic approach http://link.aps.org/doi/10.1103/gnns-hf69 Author(s): Xue-Bing Wang and Wei Wu<br/><p>Quantum speed limit characterizes the fastest rate at which a quantum system can evolve in the quantum-state space. It plays a significant role in the search for more efficient quantum control technologies. The previous work demonstrated that, within a stochastic quantum dynamical framework for open…</p><br/>[Phys. Rev. A 113, 042207] Published Mon Apr 06, 2026 Author(s): Xue-Bing Wang and Wei Wu

Quantum speed limit characterizes the fastest rate at which a quantum system can evolve in the quantum-state space. It plays a significant role in the search for more efficient quantum control technologies. The previous work demonstrated that, within a stochastic quantum dynamical framework for open…


[Phys. Rev. A 113, 042207] Published Mon Apr 06, 2026

]]> Quantum speed limit in open quantum systems: A stochastic approach Xue-Bing Wang and Wei Wu 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042207 (2026) article doi:10.1103/gnns-hf69 10.1103/gnns-hf69 Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/gnns-hf69 042207 Fundamental concepts Fundamental concepts Decoding three-dimensional color codes with boundaries http://link.aps.org/doi/10.1103/7cdb-px1d Author(s): Friederike Butt, Lars Esser, and Markus Müller<br/><p>Practical large-scale quantum computation requires both efficient error correction and robust implementation of logical operations. Three-dimensional (3D) color codes are promising candidates for fault-tolerant quantum computation due to their transversal non-Clifford gates, but efficient decoding r…</p><br/>[Phys. Rev. A 113, 042416] Published Mon Apr 06, 2026 Author(s): Friederike Butt, Lars Esser, and Markus Müller

Practical large-scale quantum computation requires both efficient error correction and robust implementation of logical operations. Three-dimensional (3D) color codes are promising candidates for fault-tolerant quantum computation due to their transversal non-Clifford gates, but efficient decoding r…


[Phys. Rev. A 113, 042416] Published Mon Apr 06, 2026

]]> Decoding three-dimensional color codes with boundaries Friederike Butt, Lars Esser, and Markus Müller 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042416 (2026) article doi:10.1103/7cdb-px1d 10.1103/7cdb-px1d Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/7cdb-px1d 042416 Quantum information science Quantum information science Operator-aware shadow importance sampling for accurate fidelity estimation http://link.aps.org/doi/10.1103/9fr2-dvg7 Author(s): Hyunho Cha, Sangwoo Hong, and Jungwoo Lee<br/><p>Estimating the fidelity between an unknown quantum state and a fixed target is a fundamental task in quantum information science. Direct fidelity estimation (DFE) enables this without full tomography by sampling observables according to a target-dependent distribution. However, existing approaches f…</p><br/>[Phys. Rev. A 113, 042602] Published Mon Apr 06, 2026 Author(s): Hyunho Cha, Sangwoo Hong, and Jungwoo Lee

Estimating the fidelity between an unknown quantum state and a fixed target is a fundamental task in quantum information science. Direct fidelity estimation (DFE) enables this without full tomography by sampling observables according to a target-dependent distribution. However, existing approaches f…


[Phys. Rev. A 113, 042602] Published Mon Apr 06, 2026

]]> Operator-aware shadow importance sampling for accurate fidelity estimation Hyunho Cha, Sangwoo Hong, and Jungwoo Lee 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042602 (2026) article doi:10.1103/9fr2-dvg7 10.1103/9fr2-dvg7 Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/9fr2-dvg7 042602 Quantum technologies Quantum technologies Ultrafast optically induced tunneling in narrow metallic gaps from the time-dependent density-functional perspective http://link.aps.org/doi/10.1103/8mc1-jfmv Author(s): Boyang Ma, Antton Babaze, Michael Krüger, Javier Aizpurua, and Andrei G. Borisov<br/><p>Electron tunneling through a potential barrier is a salient quantum effect behind multiple practical applications such as, for example, in electronics and scanning tunneling microscopy. Often considered within the quasistatic picture, where the tunneling current flows through the system in response …</p><br/>[Phys. Rev. A 113, 043108] Published Mon Apr 06, 2026 Author(s): Boyang Ma, Antton Babaze, Michael Krüger, Javier Aizpurua, and Andrei G. Borisov

Electron tunneling through a potential barrier is a salient quantum effect behind multiple practical applications such as, for example, in electronics and scanning tunneling microscopy. Often considered within the quasistatic picture, where the tunneling current flows through the system in response …


[Phys. Rev. A 113, 043108] Published Mon Apr 06, 2026

]]> Ultrafast optically induced tunneling in narrow metallic gaps from the time-dependent density-functional perspective Boyang Ma, Antton Babaze, Michael Krüger, Javier Aizpurua, and Andrei G. Borisov 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043108 (2026) article doi:10.1103/8mc1-jfmv 10.1103/8mc1-jfmv Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/8mc1-jfmv 043108 Light-induced processes in atomic-scale systems Light-induced processes in atomic-scale systems Lattice-enabled detection of spin-dependent three-body interactions http://link.aps.org/doi/10.1103/l53b-xcn5 Author(s): C. Binegar, J. O. Austin-Harris, S. E. Begg, P. Sigdel, T. Bilitewski, and Y. Liu<br/><p>We present the experimental detection of signatures of coherent three-body interactions, often masked by stronger two-body effects, through nonequilibrium spin dynamics induced by controllably quenching lattice-confined spinor gases. Three-body interactions are precisely characterized through both r…</p><br/>[Phys. Rev. A 113, 043304] Published Mon Apr 06, 2026 Author(s): C. Binegar, J. O. Austin-Harris, S. E. Begg, P. Sigdel, T. Bilitewski, and Y. Liu

We present the experimental detection of signatures of coherent three-body interactions, often masked by stronger two-body effects, through nonequilibrium spin dynamics induced by controllably quenching lattice-confined spinor gases. Three-body interactions are precisely characterized through both r…


[Phys. Rev. A 113, 043304] Published Mon Apr 06, 2026

]]> Lattice-enabled detection of spin-dependent three-body interactions C. Binegar, J. O. Austin-Harris, S. E. Begg, P. Sigdel, T. Bilitewski, and Y. Liu 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043304 (2026) article doi:10.1103/l53b-xcn5 10.1103/l53b-xcn5 Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/l53b-xcn5 043304 Ultracold systems and matter waves Ultracold systems and matter waves Extreme dynamics and relaxation of quantum gases: A hydrodynamic approach http://link.aps.org/doi/10.1103/pz5x-wd3w Author(s): Ritwik Mukherjee, Abhishek Dhar, Manas Kulkarni, and Samriddhi Sankar Ray<br/><p>The evolution of quantum gases, released from traps, is studied through hydrodynamics, both analytically and numerically, in one and two dimensions. In particular, we demonstrate the existence of long time self-similar solutions of the Euler equations, for the density and velocity fields, and derive…</p><br/>[Phys. Rev. A 113, 043305] Published Mon Apr 06, 2026 Author(s): Ritwik Mukherjee, Abhishek Dhar, Manas Kulkarni, and Samriddhi Sankar Ray

The evolution of quantum gases, released from traps, is studied through hydrodynamics, both analytically and numerically, in one and two dimensions. In particular, we demonstrate the existence of long time self-similar solutions of the Euler equations, for the density and velocity fields, and derive…


[Phys. Rev. A 113, 043305] Published Mon Apr 06, 2026

]]> Extreme dynamics and relaxation of quantum gases: A hydrodynamic approach Ritwik Mukherjee, Abhishek Dhar, Manas Kulkarni, and Samriddhi Sankar Ray 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043305 (2026) article doi:10.1103/pz5x-wd3w 10.1103/pz5x-wd3w Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/pz5x-wd3w 043305 Ultracold systems and matter waves Ultracold systems and matter waves Self-consistent inclusion of disorder in the BCS-BEC crossover near the critical temperature http://link.aps.org/doi/10.1103/91hc-kxh6 Author(s): M. Iskin<br/><p>We develop a systematic theoretical approach to incorporate the effects of a static white-noise disorder into the BCS-BEC crossover near the critical temperature ${T}_{c}$ of the superfluid transition. Starting from a functional-integral formulation in momentum-frequency space, we derive an effectiv…</p><br/>[Phys. Rev. A 113, 043306] Published Mon Apr 06, 2026 Author(s): M. Iskin

We develop a systematic theoretical approach to incorporate the effects of a static white-noise disorder into the BCS-BEC crossover near the critical temperature Tc of the superfluid transition. Starting from a functional-integral formulation in momentum-frequency space, we derive an effective therm…


[Phys. Rev. A 113, 043306] Published Mon Apr 06, 2026

]]> Self-consistent inclusion of disorder in the BCS-BEC crossover near the critical temperature M. Iskin 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043306 (2026) article doi:10.1103/91hc-kxh6 10.1103/91hc-kxh6 Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/91hc-kxh6 043306 Ultracold systems and matter waves Ultracold systems and matter waves Band structure of a coupled Bose-Einstein-condensate–cavity system: Effects of dissipation and geometry http://link.aps.org/doi/10.1103/l71r-m9l6 Author(s): David Baur, Simon Hertlein, Alexander Baumgärtner, Justyna Stefaniak, Tilman Esslinger, Gabriele Natale, and Tobias Donner<br/><p>We present a theoretical model for a transversally driven Bose-Einstein condensate coupled to an optical cavity. We focus on the interplay between different coherent couplings, which can trigger a structural phase transition, known as the superradiant phase transition. Our approach, based on band-st…</p><br/>[Phys. Rev. A 113, 043307] Published Mon Apr 06, 2026 Author(s): David Baur, Simon Hertlein, Alexander Baumgärtner, Justyna Stefaniak, Tilman Esslinger, Gabriele Natale, and Tobias Donner

We present a theoretical model for a transversally driven Bose-Einstein condensate coupled to an optical cavity. We focus on the interplay between different coherent couplings, which can trigger a structural phase transition, known as the superradiant phase transition. Our approach, based on band-st…


[Phys. Rev. A 113, 043307] Published Mon Apr 06, 2026

]]> Band structure of a coupled Bose-Einstein-condensate–cavity system: Effects of dissipation and geometry David Baur, Simon Hertlein, Alexander Baumgärtner, Justyna Stefaniak, Tilman Esslinger, Gabriele Natale, and Tobias Donner 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043307 (2026) article doi:10.1103/l71r-m9l6 10.1103/l71r-m9l6 Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/l71r-m9l6 043307 Ultracold systems and matter waves Ultracold systems and matter waves Quench-induced collective excitations: From breathing to acoustic modes http://link.aps.org/doi/10.1103/qbkk-8z8r Author(s): Shicong Song, Ke Wang, Zhengli Wu, Andreas Glatz, K. Levin, and Han Fu<br/><p>In trapped Bose-Einstein condensates, interaction quenches, which are abrupt changes of the interaction strength typically implemented via Feshbach tuning, are a practical and widely used protocol to address far-from-equilibrium collective modes. Using both numerical Gross-Pitaevskii and analytical …</p><br/>[Phys. Rev. A 113, 043308] Published Mon Apr 06, 2026 Author(s): Shicong Song, Ke Wang, Zhengli Wu, Andreas Glatz, K. Levin, and Han Fu

In trapped Bose-Einstein condensates, interaction quenches, which are abrupt changes of the interaction strength typically implemented via Feshbach tuning, are a practical and widely used protocol to address far-from-equilibrium collective modes. Using both numerical Gross-Pitaevskii and analytical …


[Phys. Rev. A 113, 043308] Published Mon Apr 06, 2026

]]> Quench-induced collective excitations: From breathing to acoustic modes Shicong Song, Ke Wang, Zhengli Wu, Andreas Glatz, K. Levin, and Han Fu 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043308 (2026) article doi:10.1103/qbkk-8z8r 10.1103/qbkk-8z8r Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/qbkk-8z8r 043308 Ultracold systems and matter waves Ultracold systems and matter waves Gapless topological doublons in the periodically driven extended non-Hermitian two-particle Bose-Hubbard model http://link.aps.org/doi/10.1103/chk3-crdn Author(s): Huan-Yu Wang and Wu-Ming Liu<br/><p>We demonstrate the formation of Floquet doublons in the periodically driven extended non-Hermitian two-particle Bose-Hubbard model, where in the strong interaction limit an artificial manipulation of two-photon tunneling can lead to topological phase transitions. Meanwhile, both the trivial and the …</p><br/>[Phys. Rev. A 113, 043506] Published Mon Apr 06, 2026 Author(s): Huan-Yu Wang and Wu-Ming Liu

We demonstrate the formation of Floquet doublons in the periodically driven extended non-Hermitian two-particle Bose-Hubbard model, where in the strong interaction limit an artificial manipulation of two-photon tunneling can lead to topological phase transitions. Meanwhile, both the trivial and the …


[Phys. Rev. A 113, 043506] Published Mon Apr 06, 2026

]]> Gapless topological doublons in the periodically driven extended non-Hermitian two-particle Bose-Hubbard model Huan-Yu Wang and Wu-Ming Liu 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043506 (2026) article doi:10.1103/chk3-crdn 10.1103/chk3-crdn Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/chk3-crdn 043506 Photonics, nonlinear optics, and optomechanics Photonics, nonlinear optics, and optomechanics Superradiant Raman scattering with rubidium atoms in an optical cavity: Dynamical dispersive coupling and AC Stark shift effect http://link.aps.org/doi/10.1103/81q3-zyjk Author(s): Huihui Yu, Gang Chen, Chongxin Shan, and Yuan Zhang<br/><p>Superradiant Raman scattering of rubidium atoms was explored in the experiment [Bohnet <i>et al.</i>, <a href="http://dx.doi.org/10.1038/nature10920"><span>Nature (London)</span> <b>484</b>, 78 (2012)</a>] to prove the concept of superradiant laser. However, a careful analysis of the experiment indicates that the reported distorted pulse is different from what is expected for …</p><br/>[Phys. Rev. A 113, 043707] Published Mon Apr 06, 2026 Author(s): Huihui Yu, Gang Chen, Chongxin Shan, and Yuan Zhang

Superradiant Raman scattering of rubidium atoms was explored in the experiment [Bohnet et al., Nature (London) 484, 78 (2012)] to prove the concept of superradiant laser. However, a careful analysis of the experiment indicates that the reported distorted pulse is different from what is expected for …


[Phys. Rev. A 113, 043707] Published Mon Apr 06, 2026

]]> Superradiant Raman scattering with rubidium atoms in an optical cavity: Dynamical dispersive coupling and AC Stark shift effect Huihui Yu, Gang Chen, Chongxin Shan, and Yuan Zhang 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043707 (2026) article doi:10.1103/81q3-zyjk 10.1103/81q3-zyjk Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/81q3-zyjk 043707 Quantum optics Quantum optics Manipulating excitation dynamics in structured waveguide quantum electrodynamics http://link.aps.org/doi/10.1103/nx83-npj8 Author(s): I Gusti Ngurah Yudi Handayana, Ya-Tang Yu, Wei-Hsuan Chung, and H. H. Jen<br/><p>Waveguide quantum electrodynamics (wQED) has become a central platform for studying collective light-matter interactions in low-dimensional photonic environments. While conventional wQED systems rely on uniform chirality or reciprocal emitter-waveguide coupling, we propose a <i>structured wQED</i> framewor…</p><br/>[Phys. Rev. A 113, 043709] Published Mon Apr 06, 2026 Author(s): I Gusti Ngurah Yudi Handayana, Ya-Tang Yu, Wei-Hsuan Chung, and H. H. Jen

Waveguide quantum electrodynamics (wQED) has become a central platform for studying collective light-matter interactions in low-dimensional photonic environments. While conventional wQED systems rely on uniform chirality or reciprocal emitter-waveguide coupling, we propose a structured wQED framewor…


[Phys. Rev. A 113, 043709] Published Mon Apr 06, 2026

]]> Manipulating excitation dynamics in structured waveguide quantum electrodynamics I Gusti Ngurah Yudi Handayana, Ya-Tang Yu, Wei-Hsuan Chung, and H. H. Jen 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043709 (2026) article doi:10.1103/nx83-npj8 10.1103/nx83-npj8 Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/nx83-npj8 043709 Quantum optics Quantum optics Engineering near-unitary one-axis-twisting evolution via a driven Tavis-Cummings model http://link.aps.org/doi/10.1103/jk8g-t1d8 Author(s): Jinfeng Liu, Yan Mu, Lili Song, Gang Liu, and Mingfeng Wang<br/><p>One-axis-twisting (OAT) interaction is a pivotal resource for manipulating quantum states of atomic ensembles, enabling spin squeezing, atomic-cat-state generation, and weak-phase amplification. Current implementations of OAT dynamics predominantly rely on the Tavis-Cummings model of light-atoms cou…</p><br/>[Phys. Rev. A 113, 043710] Published Mon Apr 06, 2026 Author(s): Jinfeng Liu, Yan Mu, Lili Song, Gang Liu, and Mingfeng Wang

One-axis-twisting (OAT) interaction is a pivotal resource for manipulating quantum states of atomic ensembles, enabling spin squeezing, atomic-cat-state generation, and weak-phase amplification. Current implementations of OAT dynamics predominantly rely on the Tavis-Cummings model of light-atoms cou…


[Phys. Rev. A 113, 043710] Published Mon Apr 06, 2026

]]> Engineering near-unitary one-axis-twisting evolution via a driven Tavis-Cummings model Jinfeng Liu, Yan Mu, Lili Song, Gang Liu, and Mingfeng Wang 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043710 (2026) article doi:10.1103/jk8g-t1d8 10.1103/jk8g-t1d8 Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/jk8g-t1d8 043710 Quantum optics Quantum optics Relativistic Maxwell-Bloch equations with applications to astrophysics http://link.aps.org/doi/10.1103/3dqj-hrht Author(s): Ningyan Fang, Victor Botez, Fereshteh Rajabi, and Martin Houde<br/><p>We derive relativistic Maxwell-Bloch equations for potential applications in astronomical environments, where various radiative processes are known to occur, including the maser action and Dicke's superradiance. We show that for both phenomena a radiating system's response is preserved at different …</p><br/>[Phys. Rev. A 113, 043711] Published Mon Apr 06, 2026 Author(s): Ningyan Fang, Victor Botez, Fereshteh Rajabi, and Martin Houde

We derive relativistic Maxwell-Bloch equations for potential applications in astronomical environments, where various radiative processes are known to occur, including the maser action and Dicke's superradiance. We show that for both phenomena a radiating system's response is preserved at different …


[Phys. Rev. A 113, 043711] Published Mon Apr 06, 2026

]]> Relativistic Maxwell-Bloch equations with applications to astrophysics Ningyan Fang, Victor Botez, Fereshteh Rajabi, and Martin Houde 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043711 (2026) article doi:10.1103/3dqj-hrht 10.1103/3dqj-hrht Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/3dqj-hrht 043711 Quantum optics Quantum optics Nonclassicality of multiphoton-added cat states http://link.aps.org/doi/10.1103/6lz4-gzkf Author(s): Jhordan Santiago and Petr Steindl<br/><p>The authors show that adding photons to optical Schrödinger cat states significantly reshapes their quantum structure, inducing a <math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>π</mi></math> phase shift in the photon-number distribution and in the Wigner function when the number of added photons is odd. The resulting states are universally sub-Poissonian, losing quadrature squeezing while exhibiting amplitude-squared squeezing.</p><img src="//cdn.journals.aps.org/journals/PRA/key_images/10.1103/6lz4-gzkf.png" width="200" height=\"100\"><br/>[Phys. Rev. A 113, L041701] Published Mon Apr 06, 2026 Author(s): Jhordan Santiago and Petr Steindl

The authors show that adding photons to optical Schrödinger cat states significantly reshapes their quantum structure, inducing a π phase shift in the photon-number distribution and in the Wigner function when the number of added photons is odd. The resulting states are universally sub-Poissonian, losing quadrature squeezing while exhibiting amplitude-squared squeezing.


[Phys. Rev. A 113, L041701] Published Mon Apr 06, 2026

]]> Nonclassicality of multiphoton-added cat states Jhordan Santiago and Petr Steindl 2026-04-06T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, L041701 (2026) article doi:10.1103/6lz4-gzkf 10.1103/6lz4-gzkf Physical Review A 113 4 2026-04-06T10:00:00+00:00 http://link.aps.org/doi/10.1103/6lz4-gzkf L041701 Quantum optics Quantum optics Quantum contextuality from measurement invasiveness http://link.aps.org/doi/10.1103/hn92-4lcq Author(s): A. Navoni, M. G. Genoni, and A. Smirne<br/><p>Contextuality is a defining feature that separates the quantum from the classical descriptions of physical systems. Within the marginal-scenario framework, noncontextual models are characterized by the existence of a single joint probability distribution consistent with all measurable contexts, whil…</p><br/>[Phys. Rev. A 113, 042204] Published Fri Apr 03, 2026 Author(s): A. Navoni, M. G. Genoni, and A. Smirne

Contextuality is a defining feature that separates the quantum from the classical descriptions of physical systems. Within the marginal-scenario framework, noncontextual models are characterized by the existence of a single joint probability distribution consistent with all measurable contexts, whil…


[Phys. Rev. A 113, 042204] Published Fri Apr 03, 2026

]]> Quantum contextuality from measurement invasiveness A. Navoni, M. G. Genoni, and A. Smirne 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042204 (2026) article doi:10.1103/hn92-4lcq 10.1103/hn92-4lcq Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/hn92-4lcq 042204 Fundamental concepts Fundamental concepts Open quantum systems beyond equilibrium: Lindblad equation  and path integral molecular dynamics http://link.aps.org/doi/10.1103/rrhf-h7xp Author(s): Benedikt M. Reible, Somayeh Ahmadkhani, and Luigi Delle Site<br/><p>The Lindblad equation determines the time evolution of the density operator of open quantum systems. While valid for any system size, its use is, in practice, restricted to prototype and surrogate models with the aim of tackling specific aspects of the overall quantum complexity of a multiatomic sys…</p><br/>[Phys. Rev. A 113, 042205] Published Fri Apr 03, 2026 Author(s): Benedikt M. Reible, Somayeh Ahmadkhani, and Luigi Delle Site

The Lindblad equation determines the time evolution of the density operator of open quantum systems. While valid for any system size, its use is, in practice, restricted to prototype and surrogate models with the aim of tackling specific aspects of the overall quantum complexity of a multiatomic sys…


[Phys. Rev. A 113, 042205] Published Fri Apr 03, 2026

]]> Open quantum systems beyond equilibrium: Lindblad equation  and path integral molecular dynamics Benedikt M. Reible, Somayeh Ahmadkhani, and Luigi Delle Site 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042205 (2026) article doi:10.1103/rrhf-h7xp 10.1103/rrhf-h7xp Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/rrhf-h7xp 042205 Fundamental concepts Fundamental concepts Counterfactual quantum measurements http://link.aps.org/doi/10.1103/9836-q2q3 Author(s): Ingita Banerjee, Kiarn T. Laverick, and Howard M. Wiseman<br/><p>Counterfactual reasoning plays a crucial role in exploring hypothetical scenarios, by comparing some consequent under conditions identical except as results from a differing antecedent. David Lewis' well-known analysis evaluates counterfactuals using a hierarchy of desiderata. These were, however, b…</p><br/>[Phys. Rev. A 113, 042206] Published Fri Apr 03, 2026 Author(s): Ingita Banerjee, Kiarn T. Laverick, and Howard M. Wiseman

Counterfactual reasoning plays a crucial role in exploring hypothetical scenarios, by comparing some consequent under conditions identical except as results from a differing antecedent. David Lewis' well-known analysis evaluates counterfactuals using a hierarchy of desiderata. These were, however, b…


[Phys. Rev. A 113, 042206] Published Fri Apr 03, 2026

]]> Counterfactual quantum measurements Ingita Banerjee, Kiarn T. Laverick, and Howard M. Wiseman 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042206 (2026) article doi:10.1103/9836-q2q3 10.1103/9836-q2q3 Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/9836-q2q3 042206 Fundamental concepts Fundamental concepts Dense packing of the surface code: Code deformation procedures and hook-error-avoiding gate scheduling http://link.aps.org/doi/10.1103/7lm4-3bnh Author(s): Kohei Fujiu, Shota Nagayama, Shin Nishio, Hideaki Kawaguchi, and Takahiko Satoh<br/><p>The surface code is one of the leading quantum error correction codes for realizing large-scale fault-tolerant quantum computing (FTQC). One major challenge in realizing surface-code-based FTQC is the extremely large number of qubits required. To mitigate this problem, fusing multiple code words of …</p><br/>[Phys. Rev. A 113, 042412] Published Fri Apr 03, 2026 Author(s): Kohei Fujiu, Shota Nagayama, Shin Nishio, Hideaki Kawaguchi, and Takahiko Satoh

The surface code is one of the leading quantum error correction codes for realizing large-scale fault-tolerant quantum computing (FTQC). One major challenge in realizing surface-code-based FTQC is the extremely large number of qubits required. To mitigate this problem, fusing multiple code words of …


[Phys. Rev. A 113, 042412] Published Fri Apr 03, 2026

]]> Dense packing of the surface code: Code deformation procedures and hook-error-avoiding gate scheduling Kohei Fujiu, Shota Nagayama, Shin Nishio, Hideaki Kawaguchi, and Takahiko Satoh 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042412 (2026) article doi:10.1103/7lm4-3bnh 10.1103/7lm4-3bnh Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/7lm4-3bnh 042412 Quantum information science Quantum information science Dynamical discontinuities in repeated weak measurements revealed by complex weak values http://link.aps.org/doi/10.1103/394k-lj6s Author(s): Lorena Ballesteros Ferraz<br/><p>This work demonstrates that repeated weak measurements together with postselection can produce sharp dynamical discontinuities in meter observables, even in minimal quantum systems. The discontinuous behavior is governed by the polar angle of the postselected state, which serves as a continuous cont…</p><br/>[Phys. Rev. A 113, 042413] Published Fri Apr 03, 2026 Author(s): Lorena Ballesteros Ferraz

This work demonstrates that repeated weak measurements together with postselection can produce sharp dynamical discontinuities in meter observables, even in minimal quantum systems. The discontinuous behavior is governed by the polar angle of the postselected state, which serves as a continuous cont…


[Phys. Rev. A 113, 042413] Published Fri Apr 03, 2026

]]> Dynamical discontinuities in repeated weak measurements revealed by complex weak values Lorena Ballesteros Ferraz 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042413 (2026) article doi:10.1103/394k-lj6s 10.1103/394k-lj6s Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/394k-lj6s 042413 Quantum information science Quantum information science Mitigating detuning-induced systematic errors in entanglement-enhanced metrology http://link.aps.org/doi/10.1103/vwpw-7rlb Author(s): Shingo Kukita and Yuichiro Matsuzaki<br/><p>Quantum sensing leverages nonclassical resources to enhance precision. In particular, Greenberger-Horne-Zeilinger (GHZ) states can, in principle, attain the Heisenberg limit that surpasses the standard quantum limit. While many studies have examined how open-system noise—typically modeled with Lindb…</p><br/>[Phys. Rev. A 113, 042414] Published Fri Apr 03, 2026 Author(s): Shingo Kukita and Yuichiro Matsuzaki

Quantum sensing leverages nonclassical resources to enhance precision. In particular, Greenberger-Horne-Zeilinger (GHZ) states can, in principle, attain the Heisenberg limit that surpasses the standard quantum limit. While many studies have examined how open-system noise—typically modeled with Lindb…


[Phys. Rev. A 113, 042414] Published Fri Apr 03, 2026

]]> Mitigating detuning-induced systematic errors in entanglement-enhanced metrology Shingo Kukita and Yuichiro Matsuzaki 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042414 (2026) article doi:10.1103/vwpw-7rlb 10.1103/vwpw-7rlb Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/vwpw-7rlb 042414 Quantum information science Quantum information science Nonlocality-assisted enhancement of error-free communication in noisy classical channels http://link.aps.org/doi/10.1103/dsdj-dz8l Author(s): Kunika Agarwal, Sahil Gopalkrishna Naik, Ananya Chakraborty, Samrat Sen, Pratik Ghosal, Biswajit Paul, Manik Banik, and Ram Krishna Patra<br/><p>The zero-error capacity of a noisy classical channel quantifies its ability to transmit information with absolute certainty, i.e., without any probability of error. In contrast to Shannon's standard channel capacity, which remains unaffected by preshared no-signaling correlations, zero-error capacit…</p><br/>[Phys. Rev. A 113, 042415] Published Fri Apr 03, 2026 Author(s): Kunika Agarwal, Sahil Gopalkrishna Naik, Ananya Chakraborty, Samrat Sen, Pratik Ghosal, Biswajit Paul, Manik Banik, and Ram Krishna Patra

The zero-error capacity of a noisy classical channel quantifies its ability to transmit information with absolute certainty, i.e., without any probability of error. In contrast to Shannon's standard channel capacity, which remains unaffected by preshared no-signaling correlations, zero-error capacit…


[Phys. Rev. A 113, 042415] Published Fri Apr 03, 2026

]]> Nonlocality-assisted enhancement of error-free communication in noisy classical channels Kunika Agarwal, Sahil Gopalkrishna Naik, Ananya Chakraborty, Samrat Sen, Pratik Ghosal, Biswajit Paul, Manik Banik, and Ram Krishna Patra 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042415 (2026) article doi:10.1103/dsdj-dz8l 10.1103/dsdj-dz8l Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/dsdj-dz8l 042415 Quantum information science Quantum information science Energy spectra of electron-positron pairs produced in bound-bound muon transitions http://link.aps.org/doi/10.1103/m9l8-6g96 Author(s): Oleg Yu. Andreev, Deyang Yu, Konstantin N. Lyashchenko, and Daria M. Vasileva<br/><p>We investigate the energy spectra of electron-positron pairs produced in bound-bound transitions of muonic atoms. These nonradiative transitions provide a distinctive mechanism of matter creation. Our spectral analysis demonstrates that the electron and positron spectra exhibit a strong dependence o…</p><br/>[Phys. Rev. A 113, 042804] Published Fri Apr 03, 2026 Author(s): Oleg Yu. Andreev, Deyang Yu, Konstantin N. Lyashchenko, and Daria M. Vasileva

We investigate the energy spectra of electron-positron pairs produced in bound-bound transitions of muonic atoms. These nonradiative transitions provide a distinctive mechanism of matter creation. Our spectral analysis demonstrates that the electron and positron spectra exhibit a strong dependence o…


[Phys. Rev. A 113, 042804] Published Fri Apr 03, 2026

]]> Energy spectra of electron-positron pairs produced in bound-bound muon transitions Oleg Yu. Andreev, Deyang Yu, Konstantin N. Lyashchenko, and Daria M. Vasileva 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042804 (2026) article doi:10.1103/m9l8-6g96 10.1103/m9l8-6g96 Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/m9l8-6g96 042804 Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Atomic and molecular structure and dynamics; high-precision experiments; chemical physics <i>Ab initio</i> study of highly-charged-ion-induced Coulomb-explosion imaging http://link.aps.org/doi/10.1103/78dy-6wjq Author(s): Misa Viveiros, Samuel S. Taylor, Cody Covington, and Kálmán Varga<br/><p>We present a theoretical investigation of ion-induced Coulomb explosion imaging (CEI) of pyridazine molecules driven by energetic ${\mathrm{C}}^{5+}$ projectiles, using time-dependent density-functional theory (TDDFT) with Ehrenfest nuclear dynamics. By systematically varying the projectile's impact…</p><br/>[Phys. Rev. A 113, 042805] Published Fri Apr 03, 2026 Author(s): Misa Viveiros, Samuel S. Taylor, Cody Covington, and Kálmán Varga

We present a theoretical investigation of ion-induced Coulomb explosion imaging (CEI) of pyridazine molecules driven by energetic C5+ projectiles, using time-dependent density-functional theory (TDDFT) with Ehrenfest nuclear dynamics. By systematically varying the projectile's impact point and orien…


[Phys. Rev. A 113, 042805] Published Fri Apr 03, 2026

]]> <i>Ab initio</i> study of highly-charged-ion-induced Coulomb-explosion imaging Misa Viveiros, Samuel S. Taylor, Cody Covington, and Kálmán Varga 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042805 (2026) article doi:10.1103/78dy-6wjq 10.1103/78dy-6wjq Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/78dy-6wjq 042805 Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Influence of the rf drive frequency on ion-atom collisions in a hybrid trap http://link.aps.org/doi/10.1103/ns9f-8pj6 Author(s): Fei Wang, Wei-Chen Liang, Wei-Bo Yin, Jing-Yu Qian, Feng-Dong Jia, Ping Xue, and Zhi-Ping Zhong<br/><p>Cold hybrid ion-atom systems represent an expanding frontier in quantum science, yet the role of the radio-frequency (rf) drive field in their collision dynamics remains inadequately understood. In this work, we investigate how the rf drive frequency in a Paul trap affects collisions in a hybrid sys…</p><br/>[Phys. Rev. A 113, 043105] Published Fri Apr 03, 2026 Author(s): Fei Wang, Wei-Chen Liang, Wei-Bo Yin, Jing-Yu Qian, Feng-Dong Jia, Ping Xue, and Zhi-Ping Zhong

Cold hybrid ion-atom systems represent an expanding frontier in quantum science, yet the role of the radio-frequency (rf) drive field in their collision dynamics remains inadequately understood. In this work, we investigate how the rf drive frequency in a Paul trap affects collisions in a hybrid sys…


[Phys. Rev. A 113, 043105] Published Fri Apr 03, 2026

]]> Influence of the rf drive frequency on ion-atom collisions in a hybrid trap Fei Wang, Wei-Chen Liang, Wei-Bo Yin, Jing-Yu Qian, Feng-Dong Jia, Ping Xue, and Zhi-Ping Zhong 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043105 (2026) article doi:10.1103/ns9f-8pj6 10.1103/ns9f-8pj6 Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/ns9f-8pj6 043105 Light-induced processes in atomic-scale systems Light-induced processes in atomic-scale systems High-harmonic generation from two weakly coupled molecules: A simple tight-binding model http://link.aps.org/doi/10.1103/7ljs-sbpy Author(s): Lina Bielke, Samuel Schöpa, Falk-Erik Wiechmann, Franziska Fennel, and Dieter Bauer<br/><p>The generation of high harmonics is a strongly nonlinear effect that allows to probe properties of the target and to study electron dynamics in matter. It has been investigated in many different kinds of targets, including molecular gases, liquids, and solids. Recently, high-harmonic generation was …</p><br/>[Phys. Rev. A 113, 043106] Published Fri Apr 03, 2026 Author(s): Lina Bielke, Samuel Schöpa, Falk-Erik Wiechmann, Franziska Fennel, and Dieter Bauer

The generation of high harmonics is a strongly nonlinear effect that allows to probe properties of the target and to study electron dynamics in matter. It has been investigated in many different kinds of targets, including molecular gases, liquids, and solids. Recently, high-harmonic generation was …


[Phys. Rev. A 113, 043106] Published Fri Apr 03, 2026

]]> High-harmonic generation from two weakly coupled molecules: A simple tight-binding model Lina Bielke, Samuel Schöpa, Falk-Erik Wiechmann, Franziska Fennel, and Dieter Bauer 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043106 (2026) article doi:10.1103/7ljs-sbpy 10.1103/7ljs-sbpy Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/7ljs-sbpy 043106 Light-induced processes in atomic-scale systems Light-induced processes in atomic-scale systems Strong-field ionization of ${\mathrm{N}}_{2}$ in two-color circularly polarized laser fields http://link.aps.org/doi/10.1103/my19-r2jr Author(s): Zhuoyan Zhou, Xiaoxiao Long, Peizeng Li, Yankun Dou, Yang Wang, Yu Liu, Jingying Xiao, Hongze Duan, and Chengyin Wu<br/><p>We present a theoretical study on the strong-field ionization dynamics of nitrogen molecules driven by two-color circularly polarized (TCP) laser fields. The photoelectron momentum distributions (PMDs) exhibit a significant dependence on the molecular alignment angle and field ellipticity. Notably, …</p><br/>[Phys. Rev. A 113, 043107] Published Fri Apr 03, 2026 Author(s): Zhuoyan Zhou, Xiaoxiao Long, Peizeng Li, Yankun Dou, Yang Wang, Yu Liu, Jingying Xiao, Hongze Duan, and Chengyin Wu

We present a theoretical study on the strong-field ionization dynamics of nitrogen molecules driven by two-color circularly polarized (TCP) laser fields. The photoelectron momentum distributions (PMDs) exhibit a significant dependence on the molecular alignment angle and field ellipticity. Notably, …


[Phys. Rev. A 113, 043107] Published Fri Apr 03, 2026

]]> Strong-field ionization of ${\mathrm{N}}_{2}$ in two-color circularly polarized laser fields Zhuoyan Zhou, Xiaoxiao Long, Peizeng Li, Yankun Dou, Yang Wang, Yu Liu, Jingying Xiao, Hongze Duan, and Chengyin Wu 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043107 (2026) article doi:10.1103/my19-r2jr 10.1103/my19-r2jr Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/my19-r2jr 043107 Light-induced processes in atomic-scale systems Light-induced processes in atomic-scale systems Quantum-gas microscopy and Talbot interferometry of the Bose-glass phase http://link.aps.org/doi/10.1103/xb42-j6px Author(s): Lennart Koehn, Christopher Parsonage, Callum W. Duncan, Peter Kirton, Andrew J. Daley, Timon Hilker, Elmar Haller, Arthur La Rooij, and Stefan Kuhr<br/><p>Disordered potentials fundamentally affect transport and coherence in quantum systems, giving rise to a Bose-glass phase in interacting bosonic systems—an insulating yet compressible phase lacking long-range coherence. Directly measuring a reduced coherence length of the Bose glass has been a outsta…</p><br/>[Phys. Rev. A 113, 043303] Published Fri Apr 03, 2026 Author(s): Lennart Koehn, Christopher Parsonage, Callum W. Duncan, Peter Kirton, Andrew J. Daley, Timon Hilker, Elmar Haller, Arthur La Rooij, and Stefan Kuhr

Disordered potentials fundamentally affect transport and coherence in quantum systems, giving rise to a Bose-glass phase in interacting bosonic systems—an insulating yet compressible phase lacking long-range coherence. Directly measuring a reduced coherence length of the Bose glass has been a outsta…


[Phys. Rev. A 113, 043303] Published Fri Apr 03, 2026

]]> Quantum-gas microscopy and Talbot interferometry of the Bose-glass phase Lennart Koehn, Christopher Parsonage, Callum W. Duncan, Peter Kirton, Andrew J. Daley, Timon Hilker, Elmar Haller, Arthur La Rooij, and Stefan Kuhr 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043303 (2026) article doi:10.1103/xb42-j6px 10.1103/xb42-j6px Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/xb42-j6px 043303 Ultracold systems and matter waves Ultracold systems and matter waves True and apparent motion of optomechanical resonators, with applications to feedback cooling of gravitational-wave-detector test masses http://link.aps.org/doi/10.1103/q6z2-9qgw Author(s): Evan D. Hall and Kevin Kuns<br/><p>Modern optomechanical systems employ increasingly sophisticated quantum-mechanical states of light to probe and manipulate mechanical motion. Squeezed states are now used routinely to enhance the sensitivity of gravitational-wave interferometers to small external forces, and they are also used in fe…</p><br/>[Phys. Rev. A 113, 043504] Published Fri Apr 03, 2026 Author(s): Evan D. Hall and Kevin Kuns

Modern optomechanical systems employ increasingly sophisticated quantum-mechanical states of light to probe and manipulate mechanical motion. Squeezed states are now used routinely to enhance the sensitivity of gravitational-wave interferometers to small external forces, and they are also used in fe…


[Phys. Rev. A 113, 043504] Published Fri Apr 03, 2026

]]> True and apparent motion of optomechanical resonators, with applications to feedback cooling of gravitational-wave-detector test masses Evan D. Hall and Kevin Kuns 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043504 (2026) article doi:10.1103/q6z2-9qgw 10.1103/q6z2-9qgw Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/q6z2-9qgw 043504 Photonics, nonlinear optics, and optomechanics Photonics, nonlinear optics, and optomechanics Vectorial light in Fabry-Pérot resonators in the normal-dispersion regime http://link.aps.org/doi/10.1103/88qr-tngt Author(s): Graeme N. Campbell, Lewis Hill, Pascal Del'Haye, and Gian-Luca Oppo<br/><p>The ranges of existence and stability of dark cavity-soliton stationary states in a Fabry-Pérot resonator with a Kerr nonlinear medium, vectorial polarization components, and normal dispersion are determined. The Fabry-Pérot configuration introduces nonlocal coupling that shifts the cavity detuning …</p><br/>[Phys. Rev. A 113, 043505] Published Fri Apr 03, 2026 Author(s): Graeme N. Campbell, Lewis Hill, Pascal Del'Haye, and Gian-Luca Oppo

The ranges of existence and stability of dark cavity-soliton stationary states in a Fabry-Pérot resonator with a Kerr nonlinear medium, vectorial polarization components, and normal dispersion are determined. The Fabry-Pérot configuration introduces nonlocal coupling that shifts the cavity detuning …


[Phys. Rev. A 113, 043505] Published Fri Apr 03, 2026

]]> Vectorial light in Fabry-Pérot resonators in the normal-dispersion regime Graeme N. Campbell, Lewis Hill, Pascal Del'Haye, and Gian-Luca Oppo 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043505 (2026) article doi:10.1103/88qr-tngt 10.1103/88qr-tngt Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/88qr-tngt 043505 Photonics, nonlinear optics, and optomechanics Photonics, nonlinear optics, and optomechanics Spectroscopic signatures of emergent elementary excitations in a kinetically constrained long-range interacting two-dimensional spin system http://link.aps.org/doi/10.1103/cdz9-rxn2 Author(s): Tobias Kaltenmark, Chris Nill, Christian Groß, and Igor Lesanovsky<br/><p>Lattice spin models featuring kinetic constraints constitute a paradigmatic setting for the investigation of glassiness and localization phenomena. The intricate dynamical behavior of these systems is a result of the dramatically reduced connectivity between many-body configurations. This truncation…</p><br/>[Phys. Rev. A 113, 043706] Published Fri Apr 03, 2026 Author(s): Tobias Kaltenmark, Chris Nill, Christian Groß, and Igor Lesanovsky

Lattice spin models featuring kinetic constraints constitute a paradigmatic setting for the investigation of glassiness and localization phenomena. The intricate dynamical behavior of these systems is a result of the dramatically reduced connectivity between many-body configurations. This truncation…


[Phys. Rev. A 113, 043706] Published Fri Apr 03, 2026

]]> Spectroscopic signatures of emergent elementary excitations in a kinetically constrained long-range interacting two-dimensional spin system Tobias Kaltenmark, Chris Nill, Christian Groß, and Igor Lesanovsky 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 043706 (2026) article doi:10.1103/cdz9-rxn2 10.1103/cdz9-rxn2 Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/cdz9-rxn2 043706 Quantum optics Quantum optics Quantized transport of solitons in Bose-Einstein condensates driven by spin-orbit coupling http://link.aps.org/doi/10.1103/wmyd-tnzv Author(s): Yaroslav V. Kartashov, Vladimir V. Konotop, and Dmitry A. Zezyulin<br/><p>Moving spin-orbit coupling enables topological pumping of linear wave packets and matter-wave solitons in Bose-Einstein condensates.</p><img src="//cdn.journals.aps.org/journals/PRA/key_images/10.1103/wmyd-tnzv.png" width="200" height=\"100\"><br/>[Phys. Rev. A 113, L041301] Published Fri Apr 03, 2026 Author(s): Yaroslav V. Kartashov, Vladimir V. Konotop, and Dmitry A. Zezyulin

Moving spin-orbit coupling enables topological pumping of linear wave packets and matter-wave solitons in Bose-Einstein condensates.


[Phys. Rev. A 113, L041301] Published Fri Apr 03, 2026

]]> Quantized transport of solitons in Bose-Einstein condensates driven by spin-orbit coupling Yaroslav V. Kartashov, Vladimir V. Konotop, and Dmitry A. Zezyulin 2026-04-03T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, L041301 (2026) article doi:10.1103/wmyd-tnzv 10.1103/wmyd-tnzv Physical Review A 113 4 2026-04-03T10:00:00+00:00 http://link.aps.org/doi/10.1103/wmyd-tnzv L041301 Ultracold systems and matter waves Ultracold systems and matter waves Restoring a missing duality in quantum mechanics http://link.aps.org/doi/10.1103/gms8-kxkq Author(s): Sheng Ran<br/><p>In conventional quantum mechanics, all unitary evolution takes place within the spacetime Hilbert space ${\mathcal{H}}_{xt}={L}^{2}({\mathcal{M}}_{xt})$, with time as the sole evolution parameter. The momentum-energy representation $ϕ(k,E)$ is treated merely as a Fourier reexpression of the same sta…</p><br/>[Phys. Rev. A 113, 042203] Published Thu Apr 02, 2026 Author(s): Sheng Ran

In conventional quantum mechanics, all unitary evolution takes place within the spacetime Hilbert space Hxt=L2(Mxt), with time as the sole evolution parameter. The momentum-energy representation ϕ(k,E) is treated merely as a Fourier reexpression of the same state: kinematically equivalent but dynami…


[Phys. Rev. A 113, 042203] Published Thu Apr 02, 2026

]]> Restoring a missing duality in quantum mechanics Sheng Ran 2026-04-02T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042203 (2026) article doi:10.1103/gms8-kxkq 10.1103/gms8-kxkq Physical Review A 113 4 2026-04-02T10:00:00+00:00 http://link.aps.org/doi/10.1103/gms8-kxkq 042203 Fundamental concepts Fundamental concepts Constrained free energy minimization for the design of thermal states and stabilizer thermodynamic systems http://link.aps.org/doi/10.1103/4ds8-1jt8 Author(s): Michele Minervini, Madison Chin, Jacob Kupperman, Nana Liu, Ivy Luo, Meghan Ly, Soorya Rethinasamy, Kathie Wang, and Mark M. Wilde<br/><p>A quantum thermodynamic system is described by a Hamiltonian and a list of conserved, noncommuting charges, and a fundamental goal is to determine the minimum energy of the system subject to constraints on the charges. Recently, Liu <i>et al.</i> [<a href="http://arXiv.org/abs/2505.04514">arXiv:2505.04514</a>] proposed first- and second-order classica…</p><br/>[Phys. Rev. A 113, 042407] Published Thu Apr 02, 2026 Author(s): Michele Minervini, Madison Chin, Jacob Kupperman, Nana Liu, Ivy Luo, Meghan Ly, Soorya Rethinasamy, Kathie Wang, and Mark M. Wilde

A quantum thermodynamic system is described by a Hamiltonian and a list of conserved, noncommuting charges, and a fundamental goal is to determine the minimum energy of the system subject to constraints on the charges. Recently, Liu et al. [arXiv:2505.04514] proposed first- and second-order classica…


[Phys. Rev. A 113, 042407] Published Thu Apr 02, 2026

]]> Constrained free energy minimization for the design of thermal states and stabilizer thermodynamic systems Michele Minervini, Madison Chin, Jacob Kupperman, Nana Liu, Ivy Luo, Meghan Ly, Soorya Rethinasamy, Kathie Wang, and Mark M. Wilde 2026-04-02T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042407 (2026) article doi:10.1103/4ds8-1jt8 10.1103/4ds8-1jt8 Physical Review A 113 4 2026-04-02T10:00:00+00:00 http://link.aps.org/doi/10.1103/4ds8-1jt8 042407 Quantum information science Quantum information science Supervised learning of optimal pulse design for the adiabatic speedup under time-dependent noise http://link.aps.org/doi/10.1103/51zq-rfw3 Author(s): Jian-Long Gao, Nai-Jun Cui, Hong-Yang Ma, and Zhao-Ming Wang<br/><p>Adiabatic quantum computation requires the system to be always maintained in its ground state. However, environmental noise readily disrupts this adiabatic process. Adiabatic speedup via leakage elimination operator (LEO) control, as one of the effective strategies, has been proposed to achieve adia…</p><br/>[Phys. Rev. A 113, 042408] Published Thu Apr 02, 2026 Author(s): Jian-Long Gao, Nai-Jun Cui, Hong-Yang Ma, and Zhao-Ming Wang

Adiabatic quantum computation requires the system to be always maintained in its ground state. However, environmental noise readily disrupts this adiabatic process. Adiabatic speedup via leakage elimination operator (LEO) control, as one of the effective strategies, has been proposed to achieve adia…


[Phys. Rev. A 113, 042408] Published Thu Apr 02, 2026

]]> Supervised learning of optimal pulse design for the adiabatic speedup under time-dependent noise Jian-Long Gao, Nai-Jun Cui, Hong-Yang Ma, and Zhao-Ming Wang 2026-04-02T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042408 (2026) article doi:10.1103/51zq-rfw3 10.1103/51zq-rfw3 Physical Review A 113 4 2026-04-02T10:00:00+00:00 http://link.aps.org/doi/10.1103/51zq-rfw3 042408 Quantum information science Quantum information science Engineering precise and robust effective Hamiltonians http://link.aps.org/doi/10.1103/j65l-f8lf Author(s): Jiahui Chen and David Cory<br/><p>Engineering effective Hamiltonians is essential for advancing quantum technologies, including quantum simulation, sensing, and computing. This paper presents a general framework for effective Hamiltonian engineering, enabling robust, precise, and efficient quantum control strategies. To achieve effi…</p><br/>[Phys. Rev. A 113, 042409] Published Thu Apr 02, 2026 Author(s): Jiahui Chen and David Cory

Engineering effective Hamiltonians is essential for advancing quantum technologies, including quantum simulation, sensing, and computing. This paper presents a general framework for effective Hamiltonian engineering, enabling robust, precise, and efficient quantum control strategies. To achieve effi…


[Phys. Rev. A 113, 042409] Published Thu Apr 02, 2026

]]> Engineering precise and robust effective Hamiltonians Jiahui Chen and David Cory 2026-04-02T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042409 (2026) article doi:10.1103/j65l-f8lf 10.1103/j65l-f8lf Physical Review A 113 4 2026-04-02T10:00:00+00:00 http://link.aps.org/doi/10.1103/j65l-f8lf 042409 Quantum information science Quantum information science Physics and computation: An insight from non-Hermitian quantum computing http://link.aps.org/doi/10.1103/mywt-m86w Author(s): Qi Zhang (张起) and Biao Wu (吴飙)<br/><p>We elucidate the profound connection between physics and computation by proposing and examining the model of the non-Hermitian quantum computer (NQC). In addition to conventional quantum gates such as the Hadamard, phase, and cnot gates, this model incorporates a nonunitary quantum gate $G$. We show…</p><br/>[Phys. Rev. A 113, 042410] Published Thu Apr 02, 2026 Author(s): Qi Zhang (张起) and Biao Wu (吴飙)

We elucidate the profound connection between physics and computation by proposing and examining the model of the non-Hermitian quantum computer (NQC). In addition to conventional quantum gates such as the Hadamard, phase, and cnot gates, this model incorporates a nonunitary quantum gate G. We show t…


[Phys. Rev. A 113, 042410] Published Thu Apr 02, 2026

]]> Physics and computation: An insight from non-Hermitian quantum computing Qi Zhang (张起) and Biao Wu (吴飙) 2026-04-02T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042410 (2026) article doi:10.1103/mywt-m86w 10.1103/mywt-m86w Physical Review A 113 4 2026-04-02T10:00:00+00:00 http://link.aps.org/doi/10.1103/mywt-m86w 042410 Quantum information science Quantum information science Sensing decoherence by using edge states http://link.aps.org/doi/10.1103/bznq-n86l Author(s): Andrey R. Kolovsky<br/><p>In the absence of decoherence and disorder the current of noninteracting fermionic particles across a finite lattice connecting two reservoirs (leads) with different chemical potentials is known to be ballistic. It is also known that decoherence suppresses this ballistic current. However, if decoher…</p><br/>[Phys. Rev. A 113, 042411] Published Thu Apr 02, 2026 Author(s): Andrey R. Kolovsky

In the absence of decoherence and disorder the current of noninteracting fermionic particles across a finite lattice connecting two reservoirs (leads) with different chemical potentials is known to be ballistic. It is also known that decoherence suppresses this ballistic current. However, if decoher…


[Phys. Rev. A 113, 042411] Published Thu Apr 02, 2026

]]> Sensing decoherence by using edge states Andrey R. Kolovsky 2026-04-02T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042411 (2026) article doi:10.1103/bznq-n86l 10.1103/bznq-n86l Physical Review A 113 4 2026-04-02T10:00:00+00:00 http://link.aps.org/doi/10.1103/bznq-n86l 042411 Quantum information science Quantum information science Global isotopic analysis of hyperfine-resolved rotational spectroscopic data for barium monofluoride, BaF http://link.aps.org/doi/10.1103/js7k-3cxm Author(s): Alex Preston, Graceson Aufderheide, Will Ballard, Richard Mawhorter, and Jens-Uwe Grabow<br/><p>High-precision microwave spectroscopic measurements and analysis of rotational energy level transitions in the ground vibronic state of the open-shell barium monofluoride (BaF) molecule are reported with the purpose of contributing to studies of physics beyond the Standard Model. BaF is currently am…</p><br/>[Phys. Rev. A 113, 042801] Published Thu Apr 02, 2026 Author(s): Alex Preston, Graceson Aufderheide, Will Ballard, Richard Mawhorter, and Jens-Uwe Grabow

High-precision microwave spectroscopic measurements and analysis of rotational energy level transitions in the ground vibronic state of the open-shell barium monofluoride (BaF) molecule are reported with the purpose of contributing to studies of physics beyond the Standard Model. BaF is currently am…


[Phys. Rev. A 113, 042801] Published Thu Apr 02, 2026

]]> Global isotopic analysis of hyperfine-resolved rotational spectroscopic data for barium monofluoride, BaF Alex Preston, Graceson Aufderheide, Will Ballard, Richard Mawhorter, and Jens-Uwe Grabow 2026-04-02T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042801 (2026) article doi:10.1103/js7k-3cxm 10.1103/js7k-3cxm Physical Review A 113 4 2026-04-02T10:00:00+00:00 http://link.aps.org/doi/10.1103/js7k-3cxm 042801 Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Relativistic exact two-component theory in the generalized pseudospectral representation http://link.aps.org/doi/10.1103/mpyz-tvqs Author(s): Xubo Wang, Phay J. Ho, Chaoqun Zhang, and Lan Cheng<br/><p>We present a formulation and implementation of exact two-component (X2C) relativistic theory in the generalized pseudospectral representation. When combined with the Hartree-Fock-Slater framework, this approach enables efficient and accurate treatments of scalar-relativistic and spin-orbit effects i…</p><br/>[Phys. Rev. A 113, 042802] Published Thu Apr 02, 2026 Author(s): Xubo Wang, Phay J. Ho, Chaoqun Zhang, and Lan Cheng

We present a formulation and implementation of exact two-component (X2C) relativistic theory in the generalized pseudospectral representation. When combined with the Hartree-Fock-Slater framework, this approach enables efficient and accurate treatments of scalar-relativistic and spin-orbit effects i…


[Phys. Rev. A 113, 042802] Published Thu Apr 02, 2026

]]> Relativistic exact two-component theory in the generalized pseudospectral representation Xubo Wang, Phay J. Ho, Chaoqun Zhang, and Lan Cheng 2026-04-02T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042802 (2026) article doi:10.1103/mpyz-tvqs 10.1103/mpyz-tvqs Physical Review A 113 4 2026-04-02T10:00:00+00:00 http://link.aps.org/doi/10.1103/mpyz-tvqs 042802 Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Nuclear mass effects on low-energy resonant features in He $+$ ${\mathrm{H}}_{2}$ scattering http://link.aps.org/doi/10.1103/1vhq-6kh7 Author(s): Jacqueline Stordock, Bikramaditya Mandal, and Naduvalath Balakrishnan<br/><p>Recent experimental studies by Perreault <i>et al</i>. [<a href="http://dx.doi.org/10.1021/acs.jpclett.2c03038"><span>J. Phys. Chem. Lett.</span> <b>13</b>, 10912 (2022)</a>] have cast some doubts on the quality of the available interaction potentials for the He-${\mathrm{H}}_{2}$ complex. Perreault <i>et al</i>. investigated rotational quenching of HD and ${\mathrm{D}}_{2}$ prepared in the …</p><br/>[Phys. Rev. A 113, 042803] Published Thu Apr 02, 2026 Author(s): Jacqueline Stordock, Bikramaditya Mandal, and Naduvalath Balakrishnan

Recent experimental studies by Perreault et al. [J. Phys. Chem. Lett. 13, 10912 (2022)] have cast some doubts on the quality of the available interaction potentials for the He-H2 complex. Perreault et al. investigated rotational quenching of HD and D2 prepared in the v=2 vibrational level and j=2 ro…


[Phys. Rev. A 113, 042803] Published Thu Apr 02, 2026

]]> Nuclear mass effects on low-energy resonant features in He $+$ ${\mathrm{H}}_{2}$ scattering Jacqueline Stordock, Bikramaditya Mandal, and Naduvalath Balakrishnan 2026-04-02T10:00:00+00:00 Personal use only, all commercial or other reuse prohibited Phys. Rev. A 113, 042803 (2026) article doi:10.1103/1vhq-6kh7 10.1103/1vhq-6kh7 Physical Review A 113 4 2026-04-02T10:00:00+00:00 http://link.aps.org/doi/10.1103/1vhq-6kh7 042803 Atomic and molecular structure and dynamics; high-precision experiments; chemical physics Atomic and molecular structure and dynamics; high-precision experiments; chemical physics