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 2009-11-05T23:48:18-05:00 assocpub@aps.org rss@aps.org hourly 4 2009-11-05T23:48:18-05:00 rss@aps.org 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 http://link.aps.org/doi/10.1103/PhysRevA.80.041404 Author(s): C. L. Cesar, F. Robicheaux, and N. Zagury<br/>We propose a usage of microwave radiation in a magnetic trap for improving the cooling and trapping of cold antihydrogen atoms which are initially produced in high magnetic moment states. Inducing transitions toward lower magnetic moments near the turning points of the atom in the trap, followed by ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 80, 041404] Published Fri Oct 23, 2009 C. L. Cesar, F. Robicheaux, and N. Zagury 2009-10-23T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.041404 Phys. Rev. A 80, 041404 text/html article Physical Review A 80 4 2009-10-23T00:00:00-04:00 041404 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.80.043413 Author(s): Bibhas Dutta, Rangana Bhattacharya, and S. S. Bhattacharyya<br/>The angular distribution of photofragments resulting from two-frequency multiphoton dissociation of HD^{+} and their branching ratios to different photon absorption channels have been calculated by the time-independent close-coupling method within the framework of two lowest electronic state model. ...<br/>[Phys. Rev. A 80, 043413] Published Thu Oct 22, 2009 Bibhas Dutta, Rangana Bhattacharya, and S. S. Bhattacharyya 2009-10-22T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043413 Phys. Rev. A 80, 043413 text/html article Physical Review A 80 4 2009-10-22T00:00:00-04:00 043413 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.80.043412 Author(s): Dmitry A. Telnov and Shih-I Chu (朱時宜)<br/>We present a time-dependent density-functional theory approach with proper long-range potential for an ab initio study of the effect of correlated multielectron responses on the multiphoton ionization (MPI) and high-order harmonic generation (HHG) of diatomic molecules N_{2} and F_{2} in intense sho...<br/>[Phys. Rev. A 80, 043412] Published Tue Oct 20, 2009 Dmitry A. Telnov and Shih-I Chu (朱時宜) 2009-10-20T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043412 Phys. Rev. A 80, 043412 text/html article Physical Review A 80 4 2009-10-20T00:00:00-04:00 043412 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.80.043411 Author(s): Kean Loon Lee (李健伦), Benoît Grémaud, Rui Han (韩睿), Berthold-Georg Englert, and Christian Miniatura<br/>Some important features of the graphene physics can be reproduced by loading ultracold fermionic atoms in a two-dimensional optical lattice with honeycomb symmetry and we address here its experimental feasibility. We analyze in great detail the optical lattice generated by the coherent superposition...<br/>[Phys. Rev. A 80, 043411] Published Mon Oct 19, 2009 Kean Loon Lee (李健伦), Benoît Grémaud, Rui Han (韩睿), Berthold-Georg Englert, and Christian Miniatura 2009-10-19T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043411 Phys. Rev. A 80, 043411 text/html article Physical Review A 80 4 2009-10-19T00:00:00-04:00 043411 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.80.043410 Author(s): J. Aldegunde, Hong Ran, and Jeremy M. Hutson<br/>We calculate the microwave spectra of ultracold ^{40} K ^{87} Rb alkali-metal dimers, including hyperfine interactions and in the presence of electric and magnetic fields. We show that microwave transitions may be used to transfer molecules between different hyperfine states, but only because of the...<br/>[Phys. Rev. A 80, 043410] Published Thu Oct 15, 2009 J. Aldegunde, Hong Ran, and Jeremy M. Hutson 2009-10-15T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043410 Phys. Rev. A 80, 043410 text/html article Physical Review A 80 4 2009-10-15T00:00:00-04:00 043410 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.80.043409 Author(s): Takeshi Iwasa and Katsuyuki Nobusada<br/>A generalized theoretical description of a light-matter interaction beyond a dipole approximation is developed on the basis of the multipolar Hamiltonian with the aim of understanding the near-field excitation of molecules at the 1 nm scale. The theory is formulated for a system consisting of a mole...<br/>[Phys. Rev. A 80, 043409] Published Tue Oct 13, 2009 Takeshi Iwasa and Katsuyuki Nobusada 2009-10-13T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043409 Phys. Rev. A 80, 043409 text/html article Physical Review A 80 4 2009-10-13T00:00:00-04:00 043409 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.80.043408 Author(s): G. Dridi, S. Guérin, V. Hakobyan, H. R. Jauslin, and H. Eleuch<br/>We present a general and versatile technique of population transfer based on parallel adiabatic passage by femtosecond shaped pulses. Their amplitude and phase are specifically designed to optimize the adiabatic passage corresponding to parallel eigenvalues at all times. We show that this technique ...<br/>[Phys. Rev. A 80, 043408] Published Tue Oct 13, 2009 G. Dridi, S. Guérin, V. Hakobyan, H. R. Jauslin, and H. Eleuch 2009-10-13T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043408 Phys. Rev. A 80, 043408 text/html article Physical Review A 80 4 2009-10-13T00:00:00-04:00 043408 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.80.041403 Author(s): G. Lagmago Kamta and A. D. Bandrauk<br/>We investigate harmonic generation from H _{2} ^{+} molecules driven by intense few-cycle laser pulses whose linearly polarization axis makes an arbitrary angle χ with respect to the molecular axis. The H _{2} ^{+} molecule is considered initially in various orbitals with nodal planes. It is found ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 80, 041403] Published Mon Oct 12, 2009 G. Lagmago Kamta and A. D. Bandrauk 2009-10-12T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.041403 Phys. Rev. A 80, 041403 text/html article Physical Review A 80 4 2009-10-12T00:00:00-04:00 041403 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.80.043407 Author(s): T. E. Wall, S. Armitage, J. J. Hudson, B. E. Sauer, J. M. Dyne, E. A. Hinds, and M. R. Tarbutt<br/>An alternating-gradient electric guide provides a way to transport a wide variety of polar molecules, including those in high-field-seeking states. We investigate the motion of polar molecules in such a guide by measuring the transmission of CaF molecules in their high-field-seeking ground state, wi...<br/>[Phys. Rev. A 80, 043407] Published Fri Oct 09, 2009 T. E. Wall, S. Armitage, J. J. Hudson, B. E. Sauer, J. M. Dyne, E. A. Hinds, and M. R. Tarbutt 2009-10-09T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043407 Phys. Rev. A 80, 043407 text/html article Physical Review A 80 4 2009-10-09T00:00:00-04:00 043407 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.80.043406 Author(s): Kevin A. Mitchell and Boaz Ilan<br/>We consider the escape dynamics of an ensemble of Bose-Einstein-condensed atoms from an optical-dipole trap consisting of two overlapping Gaussian wells. Earlier theoretical studies (based on a model of quantum evolution using ensembles of classical trajectories) predicted that self-similar fractal ...<br/>[Phys. Rev. A 80, 043406] Published Thu Oct 08, 2009 Kevin A. Mitchell and Boaz Ilan 2009-10-08T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043406 Phys. Rev. A 80, 043406 text/html article Physical Review A 80 4 2009-10-08T00:00:00-04:00 043406 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.80.043405 Author(s): K. Okada, T. Takayanagi, M. Wada, S. Ohtani, and H. A. Schuessler<br/>Ion Coulomb crystals of laser-cooled Ca^{+} ions have been observed in a cryogenic linear octupole rf ion trap for the first time. Due to the almost field-free central region, large ion crystals containing over 10^{4} ions of millimeter size were successfully produced. The shapes of the crystals can...<br/>[Phys. Rev. A 80, 043405] Published Wed Oct 07, 2009 K. Okada, T. Takayanagi, M. Wada, S. Ohtani, and H. A. Schuessler 2009-10-07T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043405 Phys. Rev. A 80, 043405 text/html article Physical Review A 80 4 2009-10-07T00:00:00-04:00 043405 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.80.043404 Author(s): Kazimierz Łakomy, Zbigniew Idziaszek, and Marek Trippenbach<br/>We study the scattering of a weak and far-detuned light from a system of ultracold bosons in one-dimensional and three-dimensional optical lattices. We show the connection between angular distributions of the scattered light and statistical properties of a Bose gas in a periodic potential. The angul...<br/>[Phys. Rev. A 80, 043404] Published Wed Oct 07, 2009 Kazimierz Łakomy, Zbigniew Idziaszek, and Marek Trippenbach 2009-10-07T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043404 Phys. Rev. A 80, 043404 text/html article Physical Review A 80 4 2009-10-07T00:00:00-04:00 043404 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.80.041402 Author(s): B. Moser and G. N. Gibson<br/>We report a mode of dissociative ionization in an intense two-color laser field. When bond softened by the superposition of 800 and 400 nm ultrafast laser pulses in a narrow intensity range, H _{2} ^{+} molecular ions experience ultraslow dissociation. This near-zero kinetic-energy release is suppor...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 80, 041402] Published Wed Oct 07, 2009 B. Moser and G. N. Gibson 2009-10-07T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.041402 Phys. Rev. A 80, 041402 text/html article Physical Review A 80 4 2009-10-07T00:00:00-04:00 041402 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.80.043403 Author(s): Chr. Tamm, S. Weyers, B. Lipphardt, and E. Peik<br/>We report experimental investigations of a single-ion optical frequency standard based on ^{171} Yb^{+} . The ion is confined in a cylindrically symmetric radiofrequency Paul trap. The reference transition is the ^{2} S_{1/2} (F=0)– ^{2} D_{3/2} (F^{′} =2) electric quadrupole transition at 688 T...<br/>[Phys. Rev. A 80, 043403] Published Tue Oct 06, 2009 Chr. Tamm, S. Weyers, B. Lipphardt, and E. Peik 2009-10-06T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043403 Phys. Rev. A 80, 043403 text/html article Physical Review A 80 4 2009-10-06T00:00:00-04:00 043403 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.80.041401 Author(s): M. Zeppenfeld, M. Motsch, P. W. H. Pinkse, and G. Rempe<br/>We present an optoelectrical cooling scheme for polar molecules based on a Sisyphus-type cooling cycle in suitably tailored electric trapping fields. Dissipation is provided by spontaneous vibrational decay in a closed level scheme found in symmetric-top rotors comprising six low-field-seeking rovib...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 80, 041401] Published Mon Oct 05, 2009 M. Zeppenfeld, M. Motsch, P. W. H. Pinkse, and G. Rempe 2009-10-05T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.041401 Phys. Rev. A 80, 041401 text/html article Physical Review A 80 4 2009-10-05T00:00:00-04:00 041401 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.80.043402 Author(s): Shian Zhang, Hui Zhang, Tianqing Jia, Zugeng Wang, and Zhenrong Sun<br/>Multiphoton transition probability can be manipulated by tailoring the ultrashort laser pulses. In this paper, we theoretically and experimentally investigate the influence of the absorption bandwidth and line shape on the coherent control of two-photon transitions in two-level system by manipulatin...<br/>[Phys. Rev. A 80, 043402] Published Fri Oct 02, 2009 Shian Zhang, Hui Zhang, Tianqing Jia, Zugeng Wang, and Zhenrong Sun 2009-10-02T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043402 Phys. Rev. A 80, 043402 text/html article Physical Review A 80 4 2009-10-02T00:00:00-04:00 043402 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.80.043401 Author(s): Johann-Heinrich Schönfeldt, Jason Twamley, and Stojan Rebić<br/>Inhomogeneous broadening of energy levels is one of the principal limiting factors for achieving “slow” or “stationary” light in solid-state media by means of electromagnetically induced transparency, a quantum version of stimulated Raman adiabatic passage (STIRAP). Stark-shift-chirped rapid...<br/>[Phys. Rev. A 80, 043401] Published Thu Oct 01, 2009 Johann-Heinrich Schönfeldt, Jason Twamley, and Stojan Rebić 2009-10-01T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.043401 Phys. Rev. A 80, 043401 text/html article Physical Review A 80 4 2009-10-01T00:00:00-04:00 043401 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.80.033422 Author(s): Robert Löw, Hendrik Weimer, Ulrich Krohn, Rolf Heidemann, Vera Bendkowsky, Björn Butscher, Hans Peter Büchler, and Tilman Pfau<br/>We study a gas of ultracold atoms resonantly driven into a strongly interacting Rydberg state. The long-distance behavior of the spatially frozen effective pseudospin system is determined by a set of dimensionless parameters, and we find that the experimental data exhibit algebraic scaling laws for ...<br/>[Phys. Rev. A 80, 033422] Published Tue Sep 29, 2009 Robert Löw, Hendrik Weimer, Ulrich Krohn, Rolf Heidemann, Vera Bendkowsky, Björn Butscher, Hans Peter Büchler, and Tilman Pfau 2009-09-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.033422 Phys. Rev. A 80, 033422 text/html article Physical Review A 80 3 2009-09-29T00:00:00-04:00 033422 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.80.033421 Author(s): Viorica Florescu and R. H. Pratt<br/>We examine very high energy Compton scattering on bound electrons, comparing cross sections obtained using relativistic impulse approximation (RIA) to the extreme relativistic (ER) limit of the exact Coulomb (EC) results for the 1s electron. For this purpose, in the case of an initial bound s state,...<br/>[Phys. Rev. A 80, 033421] Published Tue Sep 29, 2009 Viorica Florescu and R. H. Pratt 2009-09-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.033421 Phys. Rev. A 80, 033421 text/html article Physical Review A 80 3 2009-09-29T00:00:00-04:00 033421 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.80.033420 Author(s): S. J. Smullin, I. M. Savukov, G. Vasilakis, R. K. Ghosh, and M. V. Romalis<br/>We present an experimental and theoretical study of a scalar atomic magnetometer using an oscillating field-driven Zeeman resonance in a high-density optically pumped potassium vapor. We describe an experimental implementation of an atomic gradiometer with a noise level below 10 fT Hz^{−1/2} ,...<br/>[Phys. Rev. A 80, 033420] Published Tue Sep 29, 2009 S. J. Smullin, I. M. Savukov, G. Vasilakis, R. K. Ghosh, and M. V. Romalis 2009-09-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.033420 Phys. Rev. A 80, 033420 text/html article Physical Review A 80 3 2009-09-29T00:00:00-04:00 033420 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.80.033419 Author(s): S. V. Alyabyshev and R. V. Krems<br/>We explore the effects of microwave laser fields on spin-changing transitions in collisions of polar molecules in a ^{2} Σ electronic state with atoms in the presence of a static magnetic field. We use the dressed-state formalism of quantum optics to describe the interaction of the radiation field ...<br/>[Phys. Rev. A 80, 033419] Published Tue Sep 29, 2009 S. V. Alyabyshev and R. V. Krems 2009-09-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.033419 Phys. Rev. A 80, 033419 text/html article Physical Review A 80 3 2009-09-29T00:00:00-04:00 033419 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.80.035401 Author(s): V. K. Dolmatov, G. T. Craven, E. Guler, and D. Keating<br/>It is discovered theoretically that significant confinement resonances in an nl photoionization of a multielectron atom A encaged in carbon fullerenes A@C_{60} may reappear and be strong at photon energies far exceeding the nl ionization threshold, as a general phenomenon. The reasons for this pheno...<br/>[Phys. Rev. A 80, 035401] Published Mon Sep 28, 2009 V. K. Dolmatov, G. T. Craven, E. Guler, and D. Keating 2009-09-28T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.80.035401 Phys. Rev. A 80, 035401 text/html article Physical Review A 80 3 2009-09-28T00:00:00-04:00 035401 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