http://pra.aps.org/ Recently published articles in Phys. Rev. A in the Table of Content section "Atomic and molecular processes in external fields" en-us Copyright (c) 2009 The American Physical Society 2009-11-22T06:19:18-05:00 assocpub@aps.org rss@aps.org hourly 4 2009-11-22T06:19:18-05:00 rss@aps.org http://link.aps.org/doi/10.1103/PhysRevA.80.055403 Author(s): James E. Wells and J. N. Yukich<br/>We have observed the photodetachment spectrum near the lowest detachment threshold from S^{−} in a 1 T field. The spectroscopy shows a small degree of magnetic field structure of the type observed in similar experiments at the higher-energy threshold of the electron affinity. Furthermore, our resu...<br/>[Phys. Rev. A 80, 055403] Published Fri Nov 20, 2009 James E. Wells and J. N. Yukich 2009-11-20T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.055403 Phys. Rev. A 80, 055403 text/html article Physical Review A 80 5 2009-11-20T00:00:00-05:00 055403 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053419 Author(s): Erik Lötstedt and Ulrich D. Jentschura<br/>In an intense laser field, an electron may decay by emitting a pair of photons. The two photons emitted during the process, which can be interpreted as a laser-dressed double Compton scattering, remain entangled in a quantifiable way: namely, the so-called concurrence of the photon polarizations giv...<br/>[Phys. Rev. A 80, 053419] Published Fri Nov 20, 2009 Erik Lötstedt and Ulrich D. Jentschura 2009-11-20T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053419 Phys. Rev. A 80, 053419 text/html article Physical Review A 80 5 2009-11-20T00:00:00-05:00 053419 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.051403 Author(s): M. Lapert, E. Hertz, S. Guérin, and D. Sugny<br/>We show the existence of a permanent molecular planar alignment in field-free conditions. We present different control strategies using shaped laser pulses to reach this state. The strategies are robust with respect to the temperature and can be implemented with the state of the art technology. They...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 80, 051403] Published Fri Nov 20, 2009 M. Lapert, E. Hertz, S. Guérin, and D. Sugny 2009-11-20T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.051403 Phys. Rev. A 80, 051403 text/html article Physical Review A 80 5 2009-11-20T00:00:00-05:00 051403 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053418 Author(s): P. Ahmadi, G. Behinaein, V. Ramareddy, and G. S. Summy<br/>We investigate the creation mechanism of quantum accelerator modes which are attributed to the existence of the stability islands in an underlying pseudoclassical phase space of the quantum delta-kicked accelerator. Quantum accelerator modes can be created by exposing a Bose-Einstein condensate to a...<br/>[Phys. Rev. A 80, 053418] Published Wed Nov 18, 2009 P. Ahmadi, G. Behinaein, V. Ramareddy, and G. S. Summy 2009-11-18T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053418 Phys. Rev. A 80, 053418 text/html article Physical Review A 80 5 2009-11-18T00:00:00-05:00 053418 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053417 Author(s): Yi Wang, Jingtao Zhang, Zhizhan Xu, Yong-Shi Wu, J. T. Wang, and Dong-Sheng Guo<br/>Freeman resonance is one of the most important phenomena in strong-field laser physics. The previous calculations to determine peak laser intensities were mainly based on solving the entire time-dependent Schrödinger equation, which requires tedious theoretical and numerical work. The newly obtaine...<br/>[Phys. Rev. A 80, 053417] Published Tue Nov 17, 2009 Yi Wang, Jingtao Zhang, Zhizhan Xu, Yong-Shi Wu, J. T. Wang, and Dong-Sheng Guo 2009-11-17T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053417 Phys. Rev. A 80, 053417 text/html article Physical Review A 80 5 2009-11-17T00:00:00-05:00 053417 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.051402 Author(s): Song-Feng Zhao, Cheng Jin, Anh-Thu Le, T. F. Jiang, and C. D. Lin<br/>We analyzed the discrepancy of the angular dependence of strong-field ionization for CO_{2} among the different theoretical calculations and experiments. Using a more accurate ground-state wave function of CO_{2} in the asymptotic region, we showed that the accuracy in the earlier tunneling ionizati...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 80, 051402] Published Tue Nov 17, 2009 Song-Feng Zhao, Cheng Jin, Anh-Thu Le, T. F. Jiang, and C. D. Lin 2009-11-17T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.051402 Phys. Rev. A 80, 051402 text/html article Physical Review A 80 5 2009-11-17T00:00:00-05:00 051402 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053416 Author(s): G. B. Pradhan, J. Jose, P. C. Deshmukh, V. Radojević, and S. T. Manson<br/>Photoionization of the 2s inner shell of several atomic systems belonging to the Mg (Z=12) and Ar (Z=18) isonuclear sequences (Mg, Mg^{2+} , Mg^{8+} , Ar, Ar^{6+} , Ar^{8+} ) is investigated using the relativistic random-phase approximation and also the relativistic random-phase approximation modifi...<br/>[Phys. Rev. A 80, 053416] Published Mon Nov 16, 2009 G. B. Pradhan, J. Jose, P. C. Deshmukh, V. Radojević, and S. T. Manson 2009-11-16T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053416 Phys. Rev. A 80, 053416 text/html article Physical Review A 80 5 2009-11-16T00:00:00-05:00 053416 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053415 Author(s): A. Emmanouilidou and A. Staudte<br/>Using a three-dimensional quasiclassical technique we explore molecular double ionization by a linearly polarized, infrared (800 nm), and ultrashort (6 fs) laser pulse. We first focus on intensities corresponding to the tunneling regime and identify the main ionization mechanisms in this regime. We ...<br/>[Phys. Rev. A 80, 053415] Published Fri Nov 13, 2009 A. Emmanouilidou and A. Staudte 2009-11-13T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053415 Phys. Rev. A 80, 053415 text/html article Physical Review A 80 5 2009-11-13T00:00:00-05:00 053415 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.055402 Author(s): C. A. Nicolaides, Th. Mercouris, and Y. Komninos<br/>We have computed from first principles the dependence of the formation of the resonance profile of the He 2s2p ^{1} P^{o} state at 60.1 eV on the duration of the interaction of He 1s^{2} ^{1} S with ultrashort Gaussian electromagnetic pulses for field strengths smaller than 0.04 a.u. The calcula...<br/>[Phys. Rev. A 80, 055402] Published Thu Nov 12, 2009 C. A. Nicolaides, Th. Mercouris, and Y. Komninos 2009-11-12T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.055402 Phys. Rev. A 80, 055402 text/html article Physical Review A 80 5 2009-11-12T00:00:00-05:00 055402 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053414 Author(s): Thomas Beyer, Daniel Kolbe, Martin Scheid, Frank Markert, and Jochen Walz<br/>Two-photon laser spectroscopy of the 6  ^{1} S_{0} −7  ^{1} S_{0} transition in mercury has been performed using two copropagating continuous-wave laser beams. One laser beam is at 254 nm wavelength and can be tuned to the 6  ^{1} S_{0} −6  ^{3} P_{1} resonance. The other laser beam is a...<br/>[Phys. Rev. A 80, 053414] Published Thu Nov 12, 2009 Thomas Beyer, Daniel Kolbe, Martin Scheid, Frank Markert, and Jochen Walz 2009-11-12T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053414 Phys. Rev. A 80, 053414 text/html article Physical Review A 80 5 2009-11-12T00:00:00-05:00 053414 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053413 Author(s): Jun Qian, Yong Qian, Min Ke, Xun-Li Feng, C. H. Oh, and Yuzhu Wang<br/>We theoretically investigate the effect of a zero-area pulse on the excitations of interacting Rydberg atoms. The unexpected breakdown of dipole blockade occurs in the strong Rydberg blockade regime, which results from the nonadiabatic character of a phase-jump pulse interacting with the atoms. We a...<br/>[Phys. Rev. A 80, 053413] Published Thu Nov 12, 2009 Jun Qian, Yong Qian, Min Ke, Xun-Li Feng, C. H. Oh, and Yuzhu Wang 2009-11-12T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053413 Phys. Rev. A 80, 053413 text/html article Physical Review A 80 5 2009-11-12T00:00:00-05:00 053413 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053412 Author(s): Darko Dimitrovski, Morten Førre, and Lars Bojer Madsen<br/>We present a quantitative investigation of strong-field short-pulse nondipole dynamics in laser-matter interactions. We find excellent agreement between ab initio numerical and analytic results obtained using the Magnus expansion. We show that in the short-pulse limit, ultrafast transfer and control...<br/>[Phys. Rev. A 80, 053412] Published Thu Nov 12, 2009 Darko Dimitrovski, Morten Førre, and Lars Bojer Madsen 2009-11-12T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053412 Phys. Rev. A 80, 053412 text/html article Physical Review A 80 5 2009-11-12T00:00:00-05:00 053412 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053411 Author(s): Andrew J. Pearson and Thomas M. Antonsen<br/>We study numerically the behavior of rotational revivals in a molecular gas when subject to the fluctuating electric field of a background plasma. We model a molecule using a rigid rotor Hamiltonian and couple it to an electric field using permanent and induced multipole interaction terms. The evolu...<br/>[Phys. Rev. A 80, 053411] Published Thu Nov 12, 2009 Andrew J. Pearson and Thomas M. Antonsen 2009-11-12T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053411 Phys. Rev. A 80, 053411 text/html article Physical Review A 80 5 2009-11-12T00:00:00-05:00 053411 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053410 Author(s): Michael Mayle, Igor Lesanovsky, and Peter Schmelcher<br/>We theoretically investigate the quantum properties of nS , nP , and nD Rydberg atoms in a magnetic Ioffe-Pritchard trap. In particular, it is demonstrated that the two-body character of Rydberg atoms significantly alters the trapping properties opposed to pointlike particles with identical magnetic...<br/>[Phys. Rev. A 80, 053410] Published Thu Nov 12, 2009 Michael Mayle, Igor Lesanovsky, and Peter Schmelcher 2009-11-12T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053410 Phys. Rev. A 80, 053410 text/html article Physical Review A 80 5 2009-11-12T00:00:00-05:00 053410 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053409 Author(s): Nina Owschimikow, Burkhard Schmidt, and Nikolaus Schwentner<br/>We show for rotational alignment of diatomic molecules that the crossover from nonadiabatic to adiabatic limits is well described by a convolution of excitation pulse envelope and sinusoidal molecular response and that it takes place in a uniform way in the region between 0.1 and 1 for the ratio of ...<br/>[Phys. Rev. A 80, 053409] Published Wed Nov 11, 2009 Nina Owschimikow, Burkhard Schmidt, and Nikolaus Schwentner 2009-11-11T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053409 Phys. Rev. A 80, 053409 text/html article Physical Review A 80 5 2009-11-11T00:00:00-05:00 053409 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053408 Author(s): Shinsuke Haze, Rekishu Yamazaki, Kenji Toyoda, and Shinji Urabe<br/>We describe the measurement and compensation of optical Stark shifts induced by an off-resonant pulse for manipulating the terahertz-separated states 3  ^{2} D_{3/2} –3  ^{2} D_{5/2} , in a single trapped ^{40} Ca^{+} ion. These states can be used as a quantum bit and are coupled by a two-phot...<br/>[Phys. Rev. A 80, 053408] Published Wed Nov 11, 2009 Shinsuke Haze, Rekishu Yamazaki, Kenji Toyoda, and Shinji Urabe 2009-11-11T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053408 Phys. Rev. A 80, 053408 text/html article Physical Review A 80 5 2009-11-11T00:00:00-05:00 053408 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.051401 Author(s): Dimitris Sofikitis, Ridha Horchani, Xiaolin Li, Marin Pichler, Maria Allegrini, Andrea Fioretti, Daniel Comparat, and Pierre Pillet<br/>We demonstrate selective vibrational population transfer in cold cesium dimers using a simple approach based on the use of a shaped incoherent broadband diode laser near threshold. Optical pumping into a single vibrational level is accomplished with an incoherent light source by eliminating transiti...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 80, 051401] Published Wed Nov 11, 2009 Dimitris Sofikitis, Ridha Horchani, Xiaolin Li, Marin Pichler, Maria Allegrini, Andrea Fioretti, Daniel Comparat, and Pierre Pillet 2009-11-11T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.051401 Phys. Rev. A 80, 051401 text/html article Physical Review A 80 5 2009-11-11T00:00:00-05:00 051401 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.055401 Author(s): V. V. Flambaum<br/>Exchange interaction strongly influences the long-range behavior of localized electron orbitals and quantum tunneling amplitudes. In the Hartree-Fock approximation the exchange produces a power-law decay instead of the usual exponential decrease at large distances. To show that this effect is real (...<br/>[Phys. Rev. A 80, 055401] Published Tue Nov 10, 2009 V. V. Flambaum 2009-11-10T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.055401 Phys. Rev. A 80, 055401 text/html article Physical Review A 80 5 2009-11-10T00:00:00-05:00 055401 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053407 Author(s): Weiyi Hong, Qingbin Zhang, Zhenyu Yang, and Peixiang Lu<br/>We theoretically investigate the electron dynamics of the high-order harmonics in a wave-form-controlled two-color midinfrared pulse synthesized by a 2000-nm driving pulse and a much weaker 800-nm control pulse. It is shown that the acceleration and the ionization steps can be simultaneously modulat...<br/>[Phys. Rev. A 80, 053407] Published Tue Nov 10, 2009 Weiyi Hong, Qingbin Zhang, Zhenyu Yang, and Peixiang Lu 2009-11-10T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053407 Phys. Rev. A 80, 053407 text/html article Physical Review A 80 5 2009-11-10T00:00:00-05:00 053407 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053406 Author(s): M. Auzinsh, D. Budker, and S. M. Rochester<br/>The creation and detection of atomic polarization is examined theoretically through the study of basic optical-pumping mechanisms and absorption and fluorescence measurements and the dependence of these processes on the size of ground- and excited-state hyperfine splittings is determined. The conseq...<br/>[Phys. Rev. A 80, 053406] Published Mon Nov 09, 2009 M. Auzinsh, D. Budker, and S. M. Rochester 2009-11-09T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053406 Phys. Rev. A 80, 053406 text/html article Physical Review A 80 5 2009-11-09T00:00:00-05:00 053406 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053405 Author(s): XinYan Jia, WeiDong Li, Jie Liu, and J. Chen<br/>The alignment-dependent nonsequential double ionization (NSDI) of diatomic molecule N_{2} in intense fields is studied using the S -matrix theory. Our results show that the valence orbitals play an important role in alignment-dependent NSDI process: in addition to the contribution from the outmost 1...<br/>[Phys. Rev. A 80, 053405] Published Fri Nov 06, 2009 XinYan Jia, WeiDong Li, Jie Liu, and J. Chen 2009-11-06T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053405 Phys. Rev. A 80, 053405 text/html article Physical Review A 80 5 2009-11-06T00:00:00-05:00 053405 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053404 Author(s): Kai-Jun Yuan and André D. Bandrauk<br/>We numerically investigate the dynamics of recollision of an electron in high-order harmonic generation (HHG) for an H atom and a molecular ion H _{2} ^{+} using a short (ten optical cycles), and intense (I_{0} ≥10^{14}  W/cm^{2} ) , z -polarized linear laser pulse with wavelength 800 nm by accu...<br/>[Phys. Rev. A 80, 053404] Published Fri Nov 06, 2009 Kai-Jun Yuan and André D. Bandrauk 2009-11-06T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053404 Phys. Rev. A 80, 053404 text/html article Physical Review A 80 5 2009-11-06T00:00:00-05:00 053404 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053403 Author(s): Madalina Boca and Viorica Florescu<br/>We investigate the scattering of intense laser radiation on free electrons using a semiclassical relativistic approach. The laser field is described as an ideal pulse with a finite duration, a fixed direction of propagation, and indefinitely extended in the plane perpendicular to it. This allows the...<br/>[Phys. Rev. A 80, 053403] Published Thu Nov 05, 2009 Madalina Boca and Viorica Florescu 2009-11-05T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053403 Phys. Rev. A 80, 053403 text/html article Physical Review A 80 5 2009-11-05T00:00:00-05:00 053403 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053402 Author(s): Michael Spanner, Ignacio Franco, and Paul Brumer<br/>The quantum-to-classical transition of a symmetry-breaking coherent control scenario is computationally demonstrated in an optical lattice arrangement. Control is shown to survive in the classical limit and, for small effective ℏ , to be comparable in magnitude to quantum control. Moderate decoher...<br/>[Phys. Rev. A 80, 053402] Published Tue Nov 03, 2009 Michael Spanner, Ignacio Franco, and Paul Brumer 2009-11-03T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053402 Phys. Rev. A 80, 053402 text/html article Physical Review A 80 5 2009-11-03T00:00:00-05:00 053402 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.053401 Author(s): Jaime E. Santos, Nuno M. R. Peres, and João M. B. Lopes dos Santos<br/>We develop a complete analytical description of the time evolution of squeezed states of a charged particle under the Fock-Darwin (FD) Hamiltonian and a time-dependent electric field. This result generalizes a relation obtained by Infeld and Plebański for states of the one-dimensional harmonic osci...<br/>[Phys. Rev. A 80, 053401] Published Mon Nov 02, 2009 Jaime E. Santos, Nuno M. R. Peres, and João M. B. Lopes dos Santos 2009-11-02T00:00:00-05:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.053401 Phys. Rev. A 80, 053401 text/html article Physical Review A 80 5 2009-11-02T00:00:00-05:00 053401 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.045401 Author(s): Dionisis Stefanatos<br/>In this report, we apply optimal control theory to design minimum energy π/2 and π pulses for Bloch equations, in the case where transverse relaxation rate is much larger than longitudinal so the later can be neglected. Using Pontryagin’s Maximum Principle, we derive an optimal feedback law and ...<br/>[Phys. Rev. A 80, 045401] Published Thu Oct 29, 2009 Dionisis Stefanatos 2009-10-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.045401 Phys. Rev. A 80, 045401 text/html article Physical Review A 80 4 2009-10-29T00:00:00-04:00 045401 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.043417 Author(s): Qianguang Li, Peixiang Lu, Weiyi Hong, Qingbin Zhang, and Zhenyu Yang<br/>Isolated attosecond uv pulse provides a robust tool to control the high-order harmonic generation and efficient broadband supercontinua have been generated in this attosecond ionization control scheme at microscopic level. Here, we investigate the influences of propagation effects on the supercontin...<br/>[Phys. Rev. A 80, 043417] Published Tue Oct 27, 2009 Qianguang Li, Peixiang Lu, Weiyi Hong, Qingbin Zhang, and Zhenyu Yang 2009-10-27T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043417 Phys. Rev. A 80, 043417 text/html article Physical Review A 80 4 2009-10-27T00:00:00-04:00 043417 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.043416 Author(s): M. Radonjić and B. M. Jelenković<br/>We generalize Stark-chirped rapid adiabatic passage (SCRAP) to the case of two and three degenerate-level manifolds. The analysis of a degenerate-level system is facilitated by its subdivision into a set of smaller independently evolving subsystems corresponding to the minimal-sized invariant subspa...<br/>[Phys. Rev. A 80, 043416] Published Tue Oct 27, 2009 M. Radonjić and B. M. Jelenković 2009-10-27T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043416 Phys. Rev. A 80, 043416 text/html article Physical Review A 80 4 2009-10-27T00:00:00-04:00 043416 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.043415 Author(s): Jonathan Roslund, Ofer M. Shir, Thomas Bäck, and Herschel Rabitz<br/>Optimization of quantum systems by closed-loop adaptive pulse shaping offers a rich domain for the development and application of specialized evolutionary algorithms. Derandomized evolution strategies (DESs) are presented here as a robust class of optimizers for experimental quantum control. The com...<br/>[Phys. Rev. A 80, 043415] Published Tue Oct 27, 2009 Jonathan Roslund, Ofer M. Shir, Thomas Bäck, and Herschel Rabitz 2009-10-27T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043415 Phys. Rev. A 80, 043415 text/html article Physical Review A 80 4 2009-10-27T00:00:00-04:00 043415 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses http://link.aps.org/doi/10.1103/PhysRevA.80.043414 Author(s): Takeshi Shirahama, Xiao-Min Tong, Ken-ichi Hino, and Nobuyuki Toshima<br/>We present a theoretical method to study atomic photoabsorption processes in a temporally periodic external field. The time development of the atomic dipole moment is propagated by numerical time propagation, and the photoabsorption cross sections is obtained directly from the Fourier transform of t...<br/>[Phys. Rev. A 80, 043414] Published Fri Oct 23, 2009 Takeshi Shirahama, Xiao-Min Tong, Ken-ichi Hino, and Nobuyuki Toshima 2009-10-23T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043414 Phys. Rev. A 80, 043414 text/html article Physical Review A 80 4 2009-10-23T00:00:00-04:00 043414 Atomic and molecular processes in external fields, including interactions with strong fields and short pulses Atomic and molecular processes in external fields, including interactions with strong fields and short pulses