http://pra.aps.org/ Rapid Communications published in Phys. Rev. A en-us Copyright (c) 2008 The American Physical Society 2008-05-14T18:15:03-04:00 assocpub@aps.org rss@aps.org hourly 4 2008-05-14T18:15:03-04:00 rss@aps.org http://link.aps.org/doi/10.1103/PhysRevA.77.051402 Author(s): P. F. Griffin, E. Riis, and A. S. Arnold<br/>We propose and numerically investigate a scalable ring trap for cold atoms that surmounts problems of roughness of the potential and end effects of trap wires. A stable trapping potential is formed about an electrically isolated, conducting loop in an ac magnetic field by time averaging the superpos...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 051402] Published Tue May 13, 2008 P. F. Griffin, E. Riis, and A. S. Arnold 2008-05-13T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.051402 Phys. Rev. A 77, 051402 text/html article Physical Review A 77 5 2008-05-13T00:00:00-04:00 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.77.051802 Author(s): Yaroslav V. Kartashov, Victor A. Vysloukh, and Lluis Torner<br/>We reveal fundamental analogies between soliton dynamics in light-induced random photonic lattices and Brownian motion of particles. In particular, we discover that the average squared soliton displacement increases linearly with distance after an initial ballistic regime of propagation. We also fin...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 051802] Published Tue May 13, 2008 Yaroslav V. Kartashov, Victor A. Vysloukh, and Lluis Torner 2008-05-13T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.051802 Phys. Rev. A 77, 051802 text/html article Physical Review A 77 5 2008-05-13T00:00:00-04:00 051802 Quantum optics, physics of lasers, nonlinear optics, classical optics Quantum optics, physics of lasers, nonlinear optics, classical optics http://link.aps.org/doi/10.1103/PhysRevA.77.050304 Author(s): Frederick W. Strauch, Mark Edwards, Eite Tiesinga, Carl Williams, and Charles W. Clark<br/>We propose a two-qubit phase gate for ultracold atoms in a tilted double-well optical lattice. Such a lattice is capable of confining pairs of atoms in a two-dimensional array of double-well potentials where both the barrier height and the energy difference of the minima of the two wells (known as t...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 050304] Published Mon May 12, 2008 Frederick W. Strauch, Mark Edwards, Eite Tiesinga, Carl Williams, and Charles W. Clark 2008-05-12T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.050304 Phys. Rev. A 77, 050304 text/html article Physical Review A 77 5 2008-05-12T00:00:00-04:00 050304 Quantum information Quantum information http://link.aps.org/doi/10.1103/PhysRevA.77.051401 Author(s): Edvardas Narevicius, Adam Libson, Christian G. Parthey, Isaac Chavez, Julia Narevicius, Uzi Even, and Mark G. Raizen<br/>We report the stopping of a molecular oxygen beam, using a series of pulsed electromagnetic coils. A series of coils is fired in a timed sequence to bring the molecules to near rest, where they are detected with a quadrupole mass spectrometer. Applications to cold chemistry are discussed.<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 051401] Published Mon May 12, 2008 Edvardas Narevicius, Adam Libson, Christian G. Parthey, Isaac Chavez, Julia Narevicius, Uzi Even, and Mark G. Raizen 2008-05-12T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.051401 Phys. Rev. A 77, 051401 text/html article Physical Review A 77 5 2008-05-12T00:00:00-04:00 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.77.050701 Author(s): T. J. M. Zouros, B. Sulik, L. Gulyás, and K. Tökési<br/>A mechanism for the selective population of 1s2s2p ^{4} P _{J} states by electron capture in energetic collisions of F^{7+} (1s2s ^{3} S) ions with H_{2} and He is elucidated. Capture calculations indicate (1s2s ^{3} S)nl ^{2,4} L doublet and quartet levels to be approximately evenly populated for n...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 050701] Published Fri May 09, 2008 T. J. M. Zouros, B. Sulik, L. Gulyás, and K. Tökési 2008-05-09T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.050701 Phys. Rev. A 77, 050701 text/html article Physical Review A 77 5 2008-05-09T00:00:00-04:00 050701 Atomic and molecular collisions and interactions Atomic and molecular collisions and interactions http://link.aps.org/doi/10.1103/PhysRevA.77.050303 Author(s): K. Kim, C. F. Roos, L. Aolita, H. Häffner, V. Nebendahl, and R. Blatt<br/>We propose a geometric phase gate of two ion qubits that are encoded in two levels linked by an optical dipole-forbidden transition. Compared to hyperfine geometric phase gates mediated by electric dipole transitions, the gate has many interesting properties, such as very low spontaneous emission ra...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 050303] Published Thu May 08, 2008 K. Kim, C. F. Roos, L. Aolita, H. Häffner, V. Nebendahl, and R. Blatt 2008-05-08T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.050303 Phys. Rev. A 77, 050303 text/html article Physical Review A 77 5 2008-05-08T00:00:00-04:00 050303 Quantum information Quantum information http://link.aps.org/doi/10.1103/PhysRevA.77.050301 Author(s): I. Bregman, D. Aharonov, M. Ben-Or, and H. S. Eisenberg<br/>The best qubit one-way quantum-key-distribution (QKD) protocol can tolerate up to 14.6% in the error rate. It has been shown how this rate can be increased by using larger quantum systems. The polarization state of a biphoton can encode a three-level quantum system—a qutrit. The realization of a Q...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 050301] Published Wed May 07, 2008 I. Bregman, D. Aharonov, M. Ben-Or, and H. S. Eisenberg 2008-05-07T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.050301 Phys. Rev. A 77, 050301 text/html article Physical Review A 77 5 2008-05-07T00:00:00-04:00 050301 Quantum information Quantum information http://link.aps.org/doi/10.1103/PhysRevA.77.050302 Author(s): Ladislav Mišta and Natalia Korolkova<br/>Entangling two systems at distant locations using a separable mediating ancilla is a counterintuitive phenomenon proposed for qubits by T. Cubitt [Phys. Rev. Lett. 91, 037902 (2003)]. We show that such entanglement distribution is possible with Gaussian states, using a certain three-mode fully separ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 050302] Published Wed May 07, 2008 Ladislav Mišta and Natalia Korolkova 2008-05-07T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.050302 Phys. Rev. A 77, 050302 text/html article Physical Review A 77 5 2008-05-07T00:00:00-04:00 050302 Quantum information Quantum information http://link.aps.org/doi/10.1103/PhysRevA.77.050501 Author(s): N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, T. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, T. Heavner, and T. Parker<br/>We report an uncertainty evaluation of an optical lattice clock based on the ^{1} S_{0} ↔ ^{3} P_{0} transition in the bosonic isotope ^{174} Yb by use of magnetically induced spectroscopy. The absolute frequency of the ^{1} S_{0} ↔ ^{3} P_{0} transition has been determined through comparisons w...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 050501] Published Tue May 06, 2008 N. Poli, Z. W. Barber, N. D. Lemke, C. W. Oates, L. S. Ma, J. E. Stalnaker, T. M. Fortier, S. A. Diddams, L. Hollberg, J. C. Bergquist, A. Brusch, S. Jefferts, T. Heavner, and T. Parker 2008-05-06T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.050501 Phys. Rev. A 77, 050501 text/html article Physical Review A 77 5 2008-05-06T00:00:00-04:00 050501 Atomic and molecular structure and dynamics Atomic and molecular structure and dynamics http://link.aps.org/doi/10.1103/PhysRevA.77.051801 Author(s): L. I. Deych, C. Schmidt, A. Chipouline, T. Pertsch, and A. Tünnermann<br/>What will happen if two identical microspheres, with fundamental whispering-gallery modes excited in each of them, become optically coupled? Conventional wisdom based on coupled-mode arguments says that two new modes, bonding and antibonding, with two split frequencies would be formed. In this Rapid...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 051801] Published Tue May 06, 2008 L. I. Deych, C. Schmidt, A. Chipouline, T. Pertsch, and A. Tünnermann 2008-05-06T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.051801 Phys. Rev. A 77, 051801 text/html article Physical Review A 77 5 2008-05-06T00:00:00-04:00 051801 Quantum optics, physics of lasers, nonlinear optics, classical optics Quantum optics, physics of lasers, nonlinear optics, classical optics http://link.aps.org/doi/10.1103/PhysRevA.77.050101 Author(s): Ariel Amir, Yuval Oreg, and Yoseph Imry<br/>We study the dynamics of a simple model for quantum decay, where a single state is coupled to a set of discrete states, the pseudocontinuum, each coupled to a real continuum of states. We find that for constant matrix elements between the single state and the pseudocontinuum the decay occurs via one...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 050101] Published Fri May 02, 2008 Ariel Amir, Yuval Oreg, and Yoseph Imry 2008-05-02T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.050101 Phys. Rev. A 77, 050101 text/html article Physical Review A 77 5 2008-05-02T00:00:00-04:00 050101 Fundamental concepts Fundamental concepts http://link.aps.org/doi/10.1103/PhysRevA.77.040303 Author(s): Winton G. Brown, Yaakov S. Weinstein, and Lorenza Viola<br/>We show how to efficiently generate pseudorandom states suitable for quantum information processing via cluster-state quantum computation. By reformulating pseudorandom algorithms in the cluster-state picture, we identify a strategy for optimizing pseudorandom circuits by properly choosing single-qu...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 040303] Published Wed Apr 30, 2008 Winton G. Brown, Yaakov S. Weinstein, and Lorenza Viola 2008-04-30T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.040303 Phys. Rev. A 77, 040303 text/html article Physical Review A 77 4 2008-04-30T00:00:00-04:00 040303 Quantum information Quantum information http://link.aps.org/doi/10.1103/PhysRevA.77.040302 Author(s): C. F. Roos, T. Monz, K. Kim, M. Riebe, H. Häffner, D. F. V. James, and R. Blatt<br/>We experimentally investigate nonlinear couplings between individual quanta of the vibrational modes of strings of cold ions stored in linear ion traps. The nonlinearity is caused by the ions’ Coulomb interaction and gives rise to a Kerr-type interaction Hamiltonian H=ℏχn [over ̂] _{r} n [over...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 040302] Published Tue Apr 29, 2008 C. F. Roos, T. Monz, K. Kim, M. Riebe, H. Häffner, D. F. V. James, and R. Blatt 2008-04-29T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.040302 Phys. Rev. A 77, 040302 text/html article Physical Review A 77 4 2008-04-29T00:00:00-04:00 040302 Quantum information Quantum information http://link.aps.org/doi/10.1103/PhysRevA.77.041404 Author(s): S. Guérin, A. Rouzée, and E. Hertz<br/>We show that a laser pulse designed as an adiabatic ramp followed by a kick allows one to reach a perfect postpulse molecular alignment, free of saturation. The mechanism is based on an optimized distribution of the energy between a weakly efficient but nonsaturating adiabatic ramp and an efficient ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041404] Published Wed Apr 23, 2008 S. Guérin, A. Rouzée, and E. Hertz 2008-04-23T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041404 Phys. Rev. A 77, 041404 text/html article Physical Review A 77 4 2008-04-23T00:00:00-04:00 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.77.041608 Author(s): C. N. Varney, V. G. Rousseau, and R. T. Scalettar<br/>The study of ultracold optically trapped atoms has opened new vistas in the physics of correlated quantum systems. Much attention has now turned to mixtures of bosonic and fermionic atoms. A central puzzle is the disagreement between the experimental observation of a reduced bosonic visibility V_{b}...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041608] Published Wed Apr 23, 2008 C. N. Varney, V. G. Rousseau, and R. T. Scalettar 2008-04-23T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041608 Phys. Rev. A 77, 041608 text/html article Physical Review A 77 4 2008-04-23T00:00:00-04:00 041608 Matter waves Matter waves http://link.aps.org/doi/10.1103/PhysRevA.77.040301 Author(s): Sang Min Lee, Se-Wan Ji, Hai-Woong Lee, and M. Suhail Zubairy<br/>An experimental scheme is proposed that allows direct measurement of the concurrence of a two-qubit cavity system. It is based on the cavity-QED technology using atoms as flying qubits and relies on the identity of the two-particle visibility of the atomic probability with the concurrence of the cav...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 040301] Published Tue Apr 22, 2008 Sang Min Lee, Se-Wan Ji, Hai-Woong Lee, and M. Suhail Zubairy 2008-04-22T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.040301 Phys. Rev. A 77, 040301 text/html article Physical Review A 77 4 2008-04-22T00:00:00-04:00 040301 Quantum information Quantum information http://link.aps.org/doi/10.1103/PhysRevA.77.041201 Author(s): Alexey Mikaberidze, Ulf Saalmann, and Jan M. Rost<br/>Energy absorption of xenon clusters embedded in helium nanodroplets from strong femtosecond laser pulses is studied theoretically. Compared to pure clusters we find earlier and more efficient energy absorption in agreement with experiments. This effect is due to resonant absorption of the helium nan...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041201] Published Fri Apr 18, 2008 Alexey Mikaberidze, Ulf Saalmann, and Jan M. Rost 2008-04-18T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041201 Phys. Rev. A 77, 041201 text/html article Physical Review A 77 4 2008-04-18T00:00:00-04:00 041201 Clusters (including fullerenes) Clusters (including fullerenes) http://link.aps.org/doi/10.1103/PhysRevA.77.041607 Author(s): M. Iskin and C. J. Williams<br/>The local-density approximation is used to study the ground state superfluid properties of harmonically trapped p -wave Fermi gases as a function of fermion-fermion attraction strength. While the density distribution is bimodal on the weakly attracting BCS side, it becomes unimodal with increasing a...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041607] Published Wed Apr 16, 2008 M. Iskin and C. J. Williams 2008-04-16T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041607 Phys. Rev. A 77, 041607 text/html article Physical Review A 77 4 2008-04-16T00:00:00-04:00 041607 Matter waves Matter waves http://link.aps.org/doi/10.1103/PhysRevA.77.041606 Author(s): Pierfrancesco Buonsante and Sandro Wimberger<br/>Going beyond the currently investigated regimes in experiments on quantum transport of ultracold atoms in disordered potentials, we predict a crossover between regular and quantum-chaotic dynamics when varying the strength of disorder. Our spectral approach is based on the Bose-Hubbard model describ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041606] Published Tue Apr 15, 2008 Pierfrancesco Buonsante and Sandro Wimberger 2008-04-15T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041606 Phys. Rev. A 77, 041606 text/html article Physical Review A 77 4 2008-04-15T00:00:00-04:00 041606 Matter waves Matter waves http://link.aps.org/doi/10.1103/PhysRevA.77.040701 Author(s): Olivier May, Juraj Fedor, Bogdan C. Ibănescu, and Michael Allan<br/>Absolute cross sections for the production of the two astronomy-relevant negative ions HCC^{−} and HCCCC^{−} by dissociative electron attachment to acetylene C_{2} H_{2} and diacetylene C_{4} H_{2} were measured (with a ±25% error bar). Acetylene yielded the C_{2} H^{−} ion ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 040701] Published Mon Apr 14, 2008 Olivier May, Juraj Fedor, Bogdan C. Ibănescu, and Michael Allan 2008-04-14T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.040701 Phys. Rev. A 77, 040701 text/html article Physical Review A 77 4 2008-04-14T00:00:00-04:00 040701 Atomic and molecular collisions and interactions Atomic and molecular collisions and interactions http://link.aps.org/doi/10.1103/PhysRevA.77.041603 Author(s): Yong-il Shin<br/>We report on the measurement of the equation of state of a two-component Fermi gas of ^{6} Li atoms with resonant interactions. By analyzing the in situ density distributions of a population-imbalanced Fermi mixture reported in a recent experiment [Y. Shin , Nature 451, 689 (2008)], we determine the...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041603] Published Thu Apr 10, 2008 Yong-il Shin 2008-04-10T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041603 Phys. Rev. A 77, 041603 text/html article Physical Review A 77 4 2008-04-10T00:00:00-04:00 041603 Matter waves Matter waves http://link.aps.org/doi/10.1103/PhysRevA.77.041802 Author(s): L. Zhao, T. Wang, Y. Xiao, and S. F. Yelin<br/>We theoretically investigate image storage in hot atomic vapor. A so-called 4f system is adopted for imaging and an atomic vapor cell is placed over the transform plane. The Fraunhofer diffraction pattern of an object in the object plane can thus be transformed into atomic Raman coherence according ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041802] Published Thu Apr 10, 2008 L. Zhao, T. Wang, Y. Xiao, and S. F. Yelin 2008-04-10T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041802 Phys. Rev. A 77, 041802 text/html article Physical Review A 77 4 2008-04-10T00:00:00-04:00 041802 Quantum optics, physics of lasers, nonlinear optics, classical optics Quantum optics, physics of lasers, nonlinear optics, classical optics http://link.aps.org/doi/10.1103/PhysRevA.77.041604 Author(s): D. M. Gangardt and M. Pustilnik<br/>We consider a longitudinal expansion of a one-dimensional gas of hard-core bosons suddenly released from a trap. We show that the broken translational invariance in the initial state of the system is encoded in correlations between the bosonic occupation numbers in the momentum space. The correlatio...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041604] Published Thu Apr 10, 2008 D. M. Gangardt and M. Pustilnik 2008-04-10T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041604 Phys. Rev. A 77, 041604 text/html article Physical Review A 77 4 2008-04-10T00:00:00-04:00 041604 Matter waves Matter waves http://link.aps.org/doi/10.1103/PhysRevA.77.041605 Author(s): G. S. Paraoanu<br/>We present a theory of measurement-induced interference for weakly interacting Bose-Einstein-condensed gases. The many-body state resulting from the evolution of an initial fragmented (Fock) state can be approximated as a continuous superposition of Gross-Pitaevskii (GP) states; the measurement brea...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041605] Published Thu Apr 10, 2008 G. S. Paraoanu 2008-04-10T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041605 Phys. Rev. A 77, 041605 text/html article Physical Review A 77 4 2008-04-10T00:00:00-04:00 041605 Matter waves Matter waves http://link.aps.org/doi/10.1103/PhysRevA.77.041402 Author(s): Tsuneto Kanai, Eiji J. Takahashi, Yasuo Nabekawa, and Katsumi Midorikawa<br/>We demonstrate that the structure of CO_{2} molecules can be determined by measuring the phases of harmonics from them. This is evidenced by observing a phase jump of harmonics generated in a mixed gas of aligned CO_{2} molecules and their reference Kr atoms, which serve to extract the net contribut...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041402] Published Tue Apr 08, 2008 Tsuneto Kanai, Eiji J. Takahashi, Yasuo Nabekawa, and Katsumi Midorikawa 2008-04-08T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041402 Phys. Rev. A 77, 041402 text/html article Physical Review A 77 4 2008-04-08T00:00:00-04:00 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.77.041403 Author(s): Stefan Pieper and Manfred Lein<br/>The ionization of H_{2} in intense laser pulses is studied by numerical integration of the time-dependent Schrödinger equation for a single-active-electron model including the vibrational motion. The electron kinetic-energy spectra in high-order above-threshold ionization are strongly dependent on ...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041403] Published Tue Apr 08, 2008 Stefan Pieper and Manfred Lein 2008-04-08T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041403 Phys. Rev. A 77, 041403 text/html article Physical Review A 77 4 2008-04-08T00:00:00-04:00 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.77.041801 Author(s): Ron Meyers, Keith S. Deacon, and Yanhua Shih<br/>A CCD array is placed facing a chaotic light source and gated by a photon counting detector that simply counts all randomly scattered and reflected photons from an object. A “ghost” image of the object is then observed in the gated CCD. Differing from all published ghost-imaging experiments, thi...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041801] Published Tue Apr 08, 2008 Ron Meyers, Keith S. Deacon, and Yanhua Shih 2008-04-08T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041801 Phys. Rev. A 77, 041801 text/html article Physical Review A 77 4 2008-04-08T00:00:00-04:00 041801 Quantum optics, physics of lasers, nonlinear optics, classical optics Quantum optics, physics of lasers, nonlinear optics, classical optics http://link.aps.org/doi/10.1103/PhysRevA.77.041401 Author(s): Shinichirou Minemoto, Tsuneto Kanai, and Hirofumi Sakai<br/>Alignment dependence of structural deformation in the production process of multiply charged CO_{2} molecules in an intense femtosecond laser field has been revealed by using aligned sample molecules. Our properly ordered observations clarify that the structural change takes place in the charge stat...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041401] Published Fri Apr 04, 2008 Shinichirou Minemoto, Tsuneto Kanai, and Hirofumi Sakai 2008-04-04T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041401 Phys. Rev. A 77, 041401 text/html article Physical Review A 77 4 2008-04-04T00:00:00-04:00 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.77.041602 Author(s): Achilleas Lazarides and Bert Van Schaeybroeck<br/>We present a theoretical study of the collective excitations of a trapped imbalanced fermion gas at unitarity, when the system consists of a superfluid core and a normal outer shell. We formulate the relevant boundary conditions and treat the normal shell both hydrodynamically and collisionlessly. F...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041602] Published Wed Apr 02, 2008 Achilleas Lazarides and Bert Van Schaeybroeck 2008-04-02T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041602 Phys. Rev. A 77, 041602 text/html article Physical Review A 77 4 2008-04-02T00:00:00-04:00 041602 Matter waves Matter waves http://link.aps.org/doi/10.1103/PhysRevA.77.041601 Author(s): K. C. Wright, L. S. Leslie, and N. P. Bigelow<br/>We present experimental results on the coherent transfer of orbital angular momentum (OAM) from optical fields to the center-of-mass motion of a Bose-Einstein condensate (BEC), using an approach which results in negligible linear momentum change. Two collinear optical beams of differing OAM are used...<br/><img src="http://prola.aps.org/graphics/rapid30x30.gif" width="30" height="30" alt="Rapid Communication"/><br/>[Phys. Rev. A 77, 041601] Published Tue Apr 01, 2008 K. C. Wright, L. S. Leslie, and N. P. Bigelow 2008-04-01T00:00:00-04:00 Personal use only, all commercial or other reuse prohibited 10.1103/PhysRevA.77.041601 Phys. Rev. A 77, 041601 text/html article Physical Review A 77 4 2008-04-01T00:00:00-04:00 041601 Matter waves Matter waves