Physical Review A – April 2001
(Volume 63, Issue 4)

RAPID COMMUNICATIONS

Fundamental concepts

Rapid Communication
Add to article collection Simultaneous quantum-state measurements using array detection
A. M. Dawes and M. Beck
Published 19 March 2001 (4 pages)
040101 [View PDF (104 kB) or Buy this Article (Use Article Pack) ]

Quantum information

Rapid Communication
Add to article collection Bit-flip-error rejection in optical quantum communication
Dik Bouwmeester
Published 16 March 2001 (4 pages)
040301 [View PDF (154 kB) or Buy this Article (Use Article Pack) ]

Rapid Communication
Add to article collection Energy barrier to decoherence
Ari Mizel, M. W. Mitchell, and Marvin L. Cohen
Published 19 March 2001 (4 pages)
040302 [View PDF (129 kB) or Buy this Article (Use Article Pack) ]

Rapid Communication
Add to article collection Iterative algorithm for reconstruction of entangled states
J. Řeháček, Z. Hradil, and M. Ježek
Published 19 March 2001 (4 pages)
040303 [View PDF (57 kB) or Buy this Article (Use Article Pack) ]

Rapid Communication
Add to article collection Entanglement of quantum evolutions
Paolo Zanardi
Published 20 March 2001 (4 pages)
040304 [View PDF (70 kB) or Buy this Article (Use Article Pack) ]

Rapid Communication
Add to article collection Experimental demonstration of optimal unambiguous state discrimination
Roger B. Clarke, Anthony Chefles, Stephen M. Barnett, and Erling Riis
Published 21 March 2001 (4 pages)
040305 [View PDF (181 kB) or Buy this Article (Use Article Pack) ]

Atomic and molecular structure and dynamics

Rapid Communication
Add to article collection Contribution of the screened self-energy to the Lamb shift of quasidegenerate states
Éric-Olivier Le Bigot, Paul Indelicato, and Vladimir M. Shabaev
Published 19 March 2001 (4 pages)
040501 [View PDF (68 kB) or Buy this Article (Use Article Pack) ]

Rapid Communication
Add to article collection Configuration-interaction approach for high-lying singly and doubly excited states of two-electron systems
G. Lagmago Kamta, B. Piraux, and A. Scrinzi
Published 21 March 2001 (4 pages)
040502 [View PDF (52 kB) or Buy this Article (Use Article Pack) ]

Atomic and molecular collisions and interactions

Rapid Communication
Add to article collection Ellipticity effects on single and double ionization of diatomic molecules in strong laser fields
Chunlei Guo and George N. Gibson
Published 7 March 2001 (4 pages)
040701 [View PDF (59 kB) or Buy this Article (Use Article Pack) ]

Rapid Communication
Add to article collection Close-coupling approach to electron-impact ionization of helium
Igor Bray, Dmitry V. Fursa, and Andris T. Stelbovics
Published 12 March 2001 (4 pages)
040702 [View PDF (88 kB) or Buy this Article (Use Article Pack) ]

Atomic and molecular processes in external fields

Rapid Communication
Add to article collection Quantum state reconstruction using atom optics
B. T. Varcoe, R. T. Sang, W. R. MacGillivray, and M. C. Standage
Published 14 March 2001 (4 pages)
041401 [View PDF (121 kB) or Buy this Article (Use Article Pack) ]

Rapid Communication
Add to article collection Signatures of symmetry-induced quantum-interference effects observed in above-threshold-ionization spectra of molecules
F. Grasbon, G. G. Paulus, S. L. Chin, H. Walther, J. Muth-Böhm, A. Becker, and F. H. Faisal
Published 16 March 2001 (4 pages)
041402 [View PDF (186 kB) or Buy this Article (Use Article Pack) ]

Matter waves

Rapid Communication
Add to article collection Enhancement and suppression of spontaneous emission and light scattering by quantum degeneracy
A. Görlitz, A. P. Chikkatur, and W. Ketterle
Published 15 March 2001 (4 pages)
041601 [View PDF (55 kB) or Buy this Article (Use Article Pack) ]

Rapid Communication
Add to article collection Magnetic switch for integrated atom optics
Dirk Müller, Eric A. Cornell, Marco Prevedelli, Peter D. Schwindt, Ying-Ju Wang, and Dana Z. Anderson
Published 15 March 2001 (3 pages)
041602 [View PDF (94 kB) or Buy this Article (Use Article Pack) ]

Rapid Communication
Add to article collection Vortex nucleation and hysteresis phenomena in rotating Bose-Einstein condensates
Juan J. García-Ripoll and Víctor M. Pérez-García
Published 20 March 2001 (4 pages)
041603 [View PDF (256 kB) or Buy this Article (Use Article Pack) ]

ARTICLES

Fundamental concepts

Add to article collection Quantum nonlinear dynamics of continuously measured systems
A. J. Scott and G. J. Milburn
Published 7 March 2001 (10 pages)
042101 [View PDF (715 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Threshold properties of attractive and repulsive 1/r2 potentials
Michael J. Moritz, Christopher Eltschka, and Harald Friedrich
Published 12 March 2001 (11 pages)
042102 [View PDF (137 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Theory of angular-momentum relaxation: Quantum-dynamical semigroup approach
A. Yu. Artem’ev
Published 14 March 2001 (18 pages)
042103 [View PDF (220 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Peres criterion for separability through nonextensive entropy
Constantino Tsallis, Seth Lloyd, and Michel Baranger
Published 15 March 2001 (6 pages)
042104 [View PDF (89 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Three-party entanglement from positronium
A. Acín, J. I. Latorre, and P. Pascual
Published 19 March 2001 (10 pages)
042107 [View PDF (204 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Zeno and anti-Zeno effects for photon polarization dephasing
A. G. Kofman, G. Kurizki, and T. Opatrný
Published 19 March 2001 (11 pages)
042108 [View PDF (188 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Algebraic approach in the study of time-dependent nonlinear integrable systems: Case of the singular oscillator
Jayendra N. Bandyopadhyay, A. Lakshminarayan, and Vijay B. Sheorey
Published 20 March 2001 (9 pages)
042109 [View PDF (113 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Separability properties of tripartite states with UUU symmetry
T. Eggeling and R. F. Werner
Published 21 March 2001 (15 pages)
042111 [View PDF (886 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Gauge fields and extrapotentials in constrained quantum systems
Kevin A. Mitchell
Published 21 March 2001 (20 pages)
042112 [View PDF (266 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Uncertainty relations and reduced density matrices: Mapping many-body quantum mechanics onto four particles
David A. Mazziotti and Robert M. Erdahl
Published 21 March 2001 (9 pages)
042113 [View PDF (91 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Haroche-Ramsey experiment as a generalized measurement
W. M. de Muynck and A. J. Hendrikx
Published 21 March 2001 (15 pages)
042114 [View PDF (496 kB) or Buy this Article (Use Article Pack) ]

Quantum information

Add to article collection Experimental demonstration of quantum secret sharing
W. Tittel, H. Zbinden, and N. Gisin
Published 6 March 2001 (6 pages)
042301 [View PDF (355 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Implementing universal multiqubit quantum logic gates in three- and four-spin systems at room temperature
Jiangfeng Du, Mingjun Shi, Jihui Wu, Xianyi Zhou, and Rongdian Han
Published 12 March 2001 (5 pages)
042302 [View PDF (71 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Quantum remote control: Teleportation of unitary operations
S. F. Huelga, J. A. Vaccaro, A. Chefles, and M. B. Plenio
Published 15 March 2001 (4 pages)
042303 [View PDF (124 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Quantum channel identification problem
Akio Fujiwara
Published 16 March 2001 (4 pages)
042304 [View PDF (61 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Transfer of quantum states using finite resources
Dietmar G. Fischer, Holger Mack, and Matthias Freyberger
Published 16 March 2001 (7 pages)
042305 [View PDF (305 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Additivity of the entanglement of formation
Fabio Benatti and Heide Narnhofer
Published 16 March 2001 (6 pages)
042306 [View PDF (97 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Theory of decoherence-free fault-tolerant universal quantum computation
J. Kempe, D. Bacon, D. A. Lidar, and K. B. Whaley
Published 20 March 2001 (29 pages)
042307 [View PDF (413 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Quantum cloning and distributed measurements
Dagmar Bruß, John Calsamiglia, and Norbert Lütkenhaus
Published 20 March 2001 (9 pages)
042308 [View PDF (109 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Entanglement purification of unknown quantum states
Todd A. Brun, Carlton M. Caves, and Rüdiger Schack
Published 21 March 2001 (10 pages)
042309 [View PDF (129 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Unitary transformations for testing Bell inequalities
S. D. Bartlett, D. A. Rice, B. C. Sanders, J. Daboul, and H. de Guise
Published 21 March 2001 (10 pages)
042310 [View PDF (129 kB) or Buy this Article (Use Article Pack) ]

Atomic and molecular structure and dynamics

Add to article collection Demonstration of initial-state dependence in time-dependent density-functional theory
Neepa T. Maitra and Kieron Burke
Published 5 March 2001 (7 pages)
042501 [View PDF (95 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Measurements and predictions of the 6s6p 1,3P1 lifetimes in the Hg isoelectronic sequence
L. J. Curtis, R. E. Irving, M. Henderson, R. Matulioniene, C. Froese Fischer, and E. H. Pinnington
Published 7 March 2001 (7 pages)
042502 [View PDF (76 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Logarithmic two-loop corrections to the Lamb shift in hydrogen
Krzysztof Pachucki
Published 7 March 2001 (8 pages)
042503 [View PDF (101 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Schrödinger-Poisson model for very-high-pressure cold helium
G. Reinisch, J. de Freitas Pacheco, and P. Valiron
Published 15 March 2001 (7 pages)
042505 [View PDF (98 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Predissociation induced by ungerade-gerade symmetry breaking in the B 1Πu state of the 6Li7Li molecule
N. Bouloufa, P. Cacciani, V. Kokoouline, F. Masnou-Seeuws, R. Vetter, and Li Li
Published 19 March 2001 (11 pages)
042507 [View PDF (147 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Sum rules and properties in time-dependent density-functional theory
Zhixin Qian and Viraht Sahni
Published 19 March 2001 (9 pages)
042508 [View PDF (110 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Relativistic effects in Ni II and the search for variation of the fine-structure constant
V. A. Dzuba, V. V. Flambaum, M. T. Murphy, and J. K. Webb
Published 19 March 2001 (5 pages)
042509 [View PDF (60 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Infinite-order non-Born-Oppenheimer perturbation theory for systems with intersecting potentials
Florian Dufey and Sighart Fischer
Published 20 March 2001 (11 pages)
042510 [View PDF (145 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Electron self-energy for the K and L shells at low nuclear charge
Ulrich D. Jentschura, Peter J. Mohr, and Gerhard Soff
Published 21 March 2001 (19 pages)
042512 [View PDF (217 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Magnetic dipole transitions in titaniumlike ions
H. Watanabe, D. Crosby, F. J. Currell, T. Fukami, D. Kato, S. Ohtani, J. D. Silver, and C. Yamada
Published 21 March 2001 (6 pages)
042513 [View PDF (108 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Single-atom approximation for Kβ-to-Kα x-ray intensity ratios in chemical compounds of 3d elements
Takeshi Mukoyama, Kazuo Taniguchi, and Hirohiko Adachi
Published 22 March 2001 (4 pages)
042514 [View PDF (46 kB) or Buy this Article (Use Article Pack) ]

Atomic and molecular collisions and interactions

Add to article collection Effect of spin-orbit interaction in photoionization of bromine
H. P. Saha and Dong Lin
Published 5 March 2001 (8 pages)
042701 [View PDF (116 kB) or Buy this Article (Use Article Pack) ]

Add to article collection N2+ formation in collisions between N+ ions and rare gases
H. Martínez
Published 6 March 2001 (3 pages)
042702 [View PDF (42 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Time-dependent wave-packet treatment of the Si4++He collision
Nathalie Vaeck, Marie-Christine Bacchus-Montabonel, Ezinvi Baloïtcha, and Michèle Desouter-Lecomte
Published 12 March 2001 (8 pages)
042704 [View PDF (117 kB) or Buy this Article (Use Article Pack) ]

Add to article collection H2+ formation from H2O+ mediated by the core-excitation-induced nuclear motion in H2O
A. Hiraya, K. Nobusada, M. Simon, K. Okada, T. Tokushima, Y. Senba, H. Yoshida, K. Kamimori, H. Okumura, Y. Shimizu, A.-L. Thomas, P. Millie, I. Koyano, and K. Ueda
Published 13 March 2001 (5 pages)
042705 [View PDF (88 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Ps-He scattering below the first target excitation threshold
A. S. Ghosh, Arindam Basu, Tapan Mukherjee, and Prabal K. Sinha
Published 14 March 2001 (5 pages)
042706 [View PDF (58 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Cumulative reaction probability and reaction eigenprobabilities from time-independent quantum scattering theory
Oleg I. Tolstikhin, Valentin N. Ostrovsky, and Hiroki Nakamura
Published 14 March 2001 (18 pages)
042707 [View PDF (241 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Interchannel coupling in the photoionization of the M shell of Kr well above threshold: Experiment and theory
H. S. Chakraborty, D. L. Hansen, O. Hemmers, P. C. Deshmukh, P. Focke, I. A. Sellin, C. Heske, D. W. Lindle, and S. T. Manson
Published 16 March 2001 (4 pages)
042708 [View PDF (55 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Two-effective center approximation for the single ionization of molecular hydrogen by fast electron impact
P. Weck, O. A. Fojón, J. Hanssen, B. Joulakian, and R. D. Rivarola
Published 19 March 2001 (6 pages)
042709 [View PDF (99 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Negative-ion resonances in cross sections for slow-electron–heavy-alkali-metal-atom scattering
C. Bahrim, U. Thumm, and I. I. Fabrikant
Published 19 March 2001 (13 pages)
042710 [View PDF (169 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Predissociation of H3 Rydberg states
I. Mistrík, R. Reichle, H. Helm, and U. Müller
Published 20 March 2001 (10 pages)
042711 [View PDF (160 kB) or Buy this Article (Use Article Pack) ]

Add to article collection “Nonrelativistic” ionization of the L-shell states in argon by a “relativistic” 1019 W/cm2 laser field
Enam A. Chowdhury, C. P. Barty, and Barry C. Walker
Published 20 March 2001 (6 pages)
042712 [View PDF (140 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Experimental and theoretical cross sections for electron-impact excitation of the 2s→2p transition in O5+
J. A. Lozano, M. Niimura, S. J. Smith, A. Chutjian, and S. S. Tayal
Published 20 March 2001 (4 pages)
042713 [View PDF (52 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Line-mixing and collision-time asymmetry of spectral line shapes
R. Ciuryło and J. Szudy
Published 20 March 2001 (6 pages)
042714 [View PDF (76 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Relaxation and polarization effects in valence photodetachment of the negative fluoride and bromide ions
J. A. Robertson, M. Kutzner, and P. Pelley
Published 20 March 2001 (5 pages)
042715 [View PDF (70 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Angular distribution of neutral hydrogen following collisional electron detachment from H- at 2, 4, and 6 MeV
J. D. Moses, D. B. Holtkamp, J. D. King, P. W. Lisowski, and J. E. Simmons
Published 21 March 2001 (12 pages)
042716 [View PDF (130 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Electron-capture dynamics in collisions of Si4 ions with He atoms at intermediate energies
R. Suzuki, A. Watanabe, H. Sato, J. P. Gu, G. Hirsch, R. J. Buenker, M. Kimura, and P. C. Stancil
Published 21 March 2001 (5 pages)
042717 [View PDF (77 kB) or Buy this Article (Use Article Pack) ]

Clusters (including fullerenes)

Add to article collection Surface diffusion and desorption of exohedral Li+ from the surface of a fullerene
V. Bernshtein and I. Oref
Published 5 March 2001 (9 pages)
043201 [View PDF (410 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Density-functional study of electronic structure and related properties of aluminum-doped sodium clusters
Rajendra R. Zope, S. A. Blundell, C. Guet, Tunna Baruah, and D. G. Kanhere
Published 14 March 2001 (8 pages)
043202 [View PDF (423 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Effect of rotation on internal dynamics and phase-space structure of rare-gas trimers
E. D. Belega, D. N. Trubnikov, and Lawrence L. Lohr
Published 20 March 2001 (6 pages)
043203 [View PDF (101 kB) or Buy this Article (Use Article Pack) ]

Atomic and molecular processes in external fields

Add to article collection Preparation of an N-component maximal coherent superposition state using the stimulated Raman adiabatic passage method
R. G. Unanyan, B. W. Shore, and K. Bergmann
Published 6 March 2001 (5 pages)
043401 [View PDF (64 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Heating of a trapped ion by random fields: The influence of the micromotion
S. Brouard and J. Plata
Published 6 March 2001 (5 pages)
043402 [View PDF (71 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Loading dynamics of CO2 laser traps
K. M. O’Hara, S. R. Granade, M. E. Gehm, and J. E. Thomas
Published 6 March 2001 (5 pages)
043403 [View PDF (72 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Curve crossing in linear potential grids: The quasidegeneracy approximation
V. A. Yurovsky and A. Ben-Reuven
Published 6 March 2001 (8 pages)
043404 [View PDF (118 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Entangled-state preparation using adiabatic population transfer
R. G. Unanyan, B. W. Shore, and K. Bergmann
Published 7 March 2001 (8 pages)
043405 [View PDF (99 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Classical description of angular-momentum motion due to optical pumping
K. A. Nasyrov
Published 7 March 2001 (9 pages)
043406 [View PDF (122 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Optimal control of wave-packet isotope separation
M. Leibscher and I. Sh. Averbukh
Published 13 March 2001 (9 pages)
043407 [View PDF (141 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Collective modes of trapped Fermi gases in the normal phase
G. M. Bruun
Published 14 March 2001 (6 pages)
043408 [View PDF (89 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Organization and bifurcation of planar closed orbits of an atomic electron in crossed fields
D. M. Wang and J. B. Delos
Published 15 March 2001 (14 pages)
043409 [View PDF (254 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Free precession decay in selective reflection
P. R. Berman, M. Ducloy, and D. Bloch
Published 15 March 2001 (7 pages)
043410 [View PDF (95 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Measurement of the Rb(5D5/2) photoionization cross section using trapped atoms
B. C. Duncan, V. Sanchez-Villicana, P. L. Gould, and H. R. Sadeghpour
Published 15 March 2001 (7 pages)
043411 [View PDF (297 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Photoionization spectra in parallel electric and magnetic fields
A. S. Johnson and F. Mota-Furtado
Published 19 March 2001 (15 pages)
043412 [View PDF (244 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Energies and oscillator strengths of lithium in a strong magnetic field
Xiaoxu Guan and Baiwen Li
Published 19 March 2001 (10 pages)
043413 [View PDF (112 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Pathways to double ionization of atoms in strong fields
Krzysztof Sacha and Bruno Eckhardt
Published 19 March 2001 (9 pages)
043414 [View PDF (130 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Efficiency and robustness of coherent population transfer with intense, chirped laser pulses
Vladimir S. Malinovsky and Jeffrey L. Krause
Published 20 March 2001 (8 pages)
043415 [View PDF (165 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Classical collisional trajectories as the source of strong-field double ionization of helium in the knee regime
Li-Bin Fu, Jie Liu, Jing Chen, and Shi-Gang Chen
Published 20 March 2001 (7 pages)
043416 [View PDF (136 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Phase control of resonantly enhanced photoionization in an optically dense medium
David Petrosyan and P. Lambropoulos
Published 20 March 2001 (8 pages)
043417 [View PDF (146 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Highly accurate calculations for hydrogenic atoms in a magnetic field of arbitrary strength
A. Poszwa and A. Rutkowski
Published 20 March 2001 (4 pages)
043418 [View PDF (52 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Quantum-state manipulation via quantum nondemolition measurements in a two-dimensional trapped ion
Wang Kaige, S. Maniscalco, A. Napoli, and A. Messina
Published 20 March 2001 (11 pages)
043419 [View PDF (1056 kB) or Buy this Article (Use Article Pack) ]

Add to article collection Nonspreading wave packets of diatomic molecules:  Generation and control
Jung-Hoon Kim, Jian-Min Yuan, Wing-Ki Liu, and Chang Hee Nam
Published 21 March 2001 (5 pages)
043420 [View PDF (84 kB) or Buy this Article (Use Article Pack) ]

Matter waves

Add to article collection Power laws and collapsing dynamics of a trapped Bose-Einstein condensate with attractive interactions
Hiroki Saito and Masahito Ueda
Published 5 March 2001 (8 pages)
043601 [View PDF (172 kB) or Buy this Article (Use Article Pack) ]