Volume 51, Issue 2

February 1995

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RAPID COMMUNICATIONS

Atomic and molecular structure and dynamics

RAPID COMMUNICATION

Precise atomic radiative lifetime via photoassociative spectroscopy of ultracold lithium

W. I. McAlexander, E. R. I. Abraham, N. W. M. Ritchie, C. J. Williams, H. T. C. Stoof, and R. G. Hulet

Phys. Rev. A 51, R871(R) (1995) - Published 1 February, 1995

RAPID COMMUNICATION

Light-by-light scattering contribution to the decay rate of orthopositronium at order $α^{2}$ $Γ_{LO}$

Gregory S. Adkins and Marios Lymberopoulos

Phys. Rev. A 51, R875(R) (1995) - Published 1 February, 1995

Atomic and molecular collisions and interactions

RAPID COMMUNICATION

Internal conversion in highly stripped ${}^{83}{Kr}$ ions

J. Copnell, W. R. Phillips, A. R. Barnett, K. E. Rehm, I. Ahmad, J. Gehring, B. G. Glagola, and W. Kutschera

Phys. Rev. A 51, R879(R) (1995) - Published 1 February, 1995

RAPID COMMUNICATION

Observation of parity-unfavored transitions in the nonresonant photoionization of argon

B. Langer, J. Viefhaus, O. Hemmers, A. Menzel, R. Wehlitz, and U. Becker

Phys. Rev. A 51, R882(R) (1995) - Published 1 February, 1995

Clusters (including fullerenes)

RAPID COMMUNICATION

Fragment spin multiplicities in the fission ${Ag}_{23}^{2 +}$ → ${Ag}_{12}^{+}$ + ${Ag}_{11}^{+}$

Hiroyasu Koizumi and Satoru Sugano

Phys. Rev. A 51, R886(R) (1995) - Published 1 February, 1995

Atomic and molecular processes in electromagnetic fields

RAPID COMMUNICATION

Trap-loss collisions of ultracold lithium atoms

N. W. M. Ritchie, E. R. I. Abraham, Y. Y. Xiao, C. C. Bradley, R. G. Hulet, and P. S. Julienne

Phys. Rev. A 51, R890(R) (1995) - Published 1 February, 1995

RAPID COMMUNICATION

Enhancements in the lifetimes of NO Rydberg states in dc electric fields: Implications for zero-electron-kinetic-energy photoelectron spectroscopy experiments

Marc J. J. Vrakking and Yuan T. Lee

Phys. Rev. A 51, R894(R) (1995) - Published 1 February, 1995

RAPID COMMUNICATION

Above-threshold ionization of cesium by 1.9-μm light

N.J. van Druten, R. Trainham, and H.G. Muller

Phys. Rev. A 51, R898(R) (1995) - Published 1 February, 1995

RAPID COMMUNICATION

Energy-yield and conversion-efficiency measurements of high-order harmonic radiation

T. Ditmire, J. K. Crane, H. Nguyen, L. B. DaSilva, and M. D. Perry

Phys. Rev. A 51, R902(R) (1995) - Published 1 February, 1995

Quantum optics

RAPID COMMUNICATION

Angular distribution of high-order harmonics emitted from rare gases at low density

J. Peatross and D. D. Meyerhofer

Phys. Rev. A 51, R906(R) (1995) - Published 1 February, 1995

RAPID COMMUNICATION

Population transfer in cw-excited Rb resulting from mirrorless maser oscillation

C. W. Fehrenbach, S. R. Lundeen, and O. L. Weaver

Phys. Rev. A 51, R910(R) (1995) - Published 1 February, 1995

ARTICLES

Fundamental concepts

Closed orbits and shell effects in semiclassical response functions

A. Dellafiore, F. Matera, and D. M. Brink

Phys. Rev. A 51, 914 (1995) - Published 1 February, 1995

Optimal control of chaotic Hamiltonian dynamics

Jair Botina, Herschel Rabitz, and Naseem Rahman

Phys. Rev. A 51, 923 (1995) - Published 1 February, 1995

Completely transparent potentials for the Schrödinger equation

A. A. Stahlhofen

Phys. Rev. A 51, 934 (1995) - Published 1 February, 1995

Geometric spin and charge

Gustavo González-Martín

Phys. Rev. A 51, 944 (1995) - Published 1 February, 1995

Unitary transformations for the time-dependent quantum oscillator

Alla N. Seleznyova

Phys. Rev. A 51, 950 (1995) - Published 1 February, 1995

Controllability of molecular systems

Viswanath Ramakrishna, Murti V. Salapaka, Mohammed Dahleh, Herschel Rabitz, and Anthony Peirce

Phys. Rev. A 51, 960 (1995) - Published 1 February, 1995

Dynamics of quantum collapse in energy measurements

Ubaldo Tambini, Carlo Presilla, and Roberto Onofrio

Phys. Rev. A 51, 967 (1995) - Published 1 February, 1995

Multiparticle correlations in quaternionic quantum systems

S. P. Brumby, G. C. Joshi, and R. Anderson

Phys. Rev. A 51, 976 (1995) - Published 1 February, 1995

Non-Hermitian techniques of canonical transformations in quantum mechanics

Haewon Lee and W. S. l’Yi

Phys. Rev. A 51, 982 (1995) - Published 1 February, 1995

Bell’s inequality for an entanglement of nonorthogonal states

A. Mann, B. C. Sanders, and W. J. Munro

Phys. Rev. A 51, 989 (1995) - Published 1 February, 1995

Maintaining coherence in quantum computers

W. G. Unruh

Phys. Rev. A 51, 992 (1995) - Published 1 February, 1995

Higher-order processes in the electromagnetic production of electron-positron pairs in relativistic heavy-ion collisions

Kai Hencken, Dirk Trautmann, and Gerhard Baur

Phys. Rev. A 51, 998 (1995) - Published 1 February, 1995

Two-bit gates are universal for quantum computation

David P. DiVincenzo

Phys. Rev. A 51, 1015 (1995) - Published 1 February, 1995

Semiclassical treatment of a half-cycle pulse acting on a one-dimensional Rydberg atom

C. D. Schwieters and J. B. Delos

Phys. Rev. A 51, 1023 (1995) - Published 1 February, 1995

Half-cycle pulse acting on a one-dimensional Rydberg atom: Semiclassical transition amplitudes in action and angle variables

C. D. Schwieters and J. B. Delos

Phys. Rev. A 51, 1030 (1995) - Published 1 February, 1995

Atomic and molecular structure and dynamics

Decay of the resonantly excited states of atomic Kr

Masahide Ohno

Phys. Rev. A 51, 1042 (1995) - Published 1 February, 1995

3 ${}^{1}Π_{u}$ and 3 ${}^{1}Σ_{u}^{+}$ states of $K_{2}$ studied by a polarization-labeling spectroscopy technique

W. Jastrzȩbski and P. Kowalczyk

Phys. Rev. A 51, 1046 (1995) - Published 1 February, 1995

Green’s-function calculations of valence photoemission spectra of titanium halides

M. Ohno and W. von Niessen

Phys. Rev. A 51, 1052 (1995) - Published 1 February, 1995

Electric quadrupole transitions in x-ray spectra: 3d transition-metal oxides

N. V. Dobrodey and Yu. V. Luniakov

Phys. Rev. A 51, 1057 (1995) - Published 1 February, 1995

Evaluation of high-level bound-bound and bound-continuum hydrogenic oscillator strengths by asymptotic expansion

K. Omidvar and A. M. McAllister

Phys. Rev. A 51, 1063 (1995) - Published 1 February, 1995

Multireferent superposition-of-configurations calculations of core-correlation effects on energy levels and oscillator strengths: Be and $B^{+}$

A. W. Weiss

Phys. Rev. A 51, 1067 (1995) - Published 1 February, 1995

Radius of convergence of the 1/Z expansion for the ground state of a two-electron atom

I. A. Ivanov

Phys. Rev. A 51, 1080 (1995) - Published 1 February, 1995

Onset of a collisional modification of the Faraday effect in a high-density atomic gas

M. Kristensen, F. J. Blok, M. A. van Eijkelenborg, G. Nienhuis, and J. P. Woerdman

Phys. Rev. A 51, 1085 (1995) - Published 1 February, 1995

Four-photon excitation of autoionizing states of Ar, Kr, and Xe between the ${}^{2}$ $P_{3 / 2}$ and ${}^{2}$ $P_{1 / 2}$ ionic limits

S. M. Koeckhoven, W. J. Buma, and C. A. de Lange

Phys. Rev. A 51, 1097 (1995) - Published 1 February, 1995

Total eigenphase description of multiparticle quantum systems

John L. Bohn

Phys. Rev. A 51, 1110 (1995) - Published 1 February, 1995

Nuclear-polarization contribution to the Lamb shift in actinide nuclei

Günter Plunien and Gerhard Soff

Phys. Rev. A 51, 1119 (1995) - Published 1 February, 1995

Projection operators in multiconfiguration Dirac-Fock calculations: Application to the ground state of heliumlike ions

P. Indelicato

Phys. Rev. A 51, 1132 (1995) - Published 1 February, 1995

Tiling rules for toroidal molecules

J. E. Avron and J. Berger

Phys. Rev. A 51, 1146 (1995) - Published 1 February, 1995

Atomic energy-level shifts near a dielectric microsphere

W. Jhe and J. W. Kim

Phys. Rev. A 51, 1150 (1995) - Published 1 February, 1995

Autocorrelation functions in the photoionization of hydrogen in electric and magnetic fields

Hans O. Karlsson and Osvaldo Goscinski

Phys. Rev. A 51, 1154 (1995) - Published 1 February, 1995

Alternative form of the linear-response contribution to the exchange-correlation energy functional

E. Engel

Phys. Rev. A 51, 1159 (1995) - Published 1 February, 1995

Full QED calculations of two-photon exchange for heliumlike systems: Analysis in the Coulomb and Feynman gauges

Ingvar Lindgren, Hans Persson, Sten Salomonson, and Leonti Labzowsky

Phys. Rev. A 51, 1167 (1995) - Published 1 February, 1995

Relativistic many-body calculations of [2 $p^{5}$ 3s] excited-state energy levels for neonlike ions

E. Avgoustoglou, W. R. Johnson, Z. W. Liu, and J. Sapirstein

Phys. Rev. A 51, 1196 (1995) - Published 1 February, 1995

Collison-induced absorption by $H_{2}$ -He pairs in the $H_{2}$ fundamental band at 78 and 298 K

C. Brodbeck, Nguyen-Van-Thanh, J.-P. Bouanich, and Lothar Frommhold

Phys. Rev. A 51, 1209 (1995) - Published 1 February, 1995

Atomic and molecular collisions and interactions

Electron-impact excitation cross-section measurements of highly charged heliumlike and lithiumlike ions

K. L. Wong, P. Beiersdorfer, K. J. Reed, and D. A. Vogel

Phys. Rev. A 51, 1214 (1995) - Published 1 February, 1995

Free-free transitions in collisions between slow electrons and neutral oxygen atoms

Sunggi Chung and Chun C. Lin

Phys. Rev. A 51, 1221 (1995) - Published 1 February, 1995

Time-dependent quantum-mechanical treatment for molecular collisions

Ren ting-qi, Li dai-qing, and Xu qiang

Phys. Rev. A 51, 1230 (1995) - Published 1 February, 1995

Rotational-angular-momentum relaxation mechanisms in the energy-corrected-sudden scaling theory

L. Bonamy and F. Emond

Phys. Rev. A 51, 1235 (1995) - Published 1 February, 1995

Incident-photon energy-distribution effects on radiationless resonant Raman scattering

G. Bradley Armen and Honghong Wang

Phys. Rev. A 51, 1241 (1995) - Published 1 February, 1995

Semiclassical theory of elastic electron-atom scattering

Joachim Burgdörfer, Carlos O. Reinhold, James Sternberg, and Jianyi Wang

Phys. Rev. A 51, 1248 (1995) - Published 1 February, 1995

Direct production of electron-positron pairs by 200-GeV/nucleon oxygen and sulfur ions in nuclear emulsion

J. H. Derrickson, P. B. Eby, K. H. Moon, T. A. Parnell, D. T. King, J. C. Gregory, Y. Takahashi, and T. Ogata

Phys. Rev. A 51, 1253 (1995) - Published 1 February, 1995

Coherent control of $H^{-}$ photodetachment in parallel static electric and magnetic fields

Qiaoling Wang and Anthony F. Starace

Phys. Rev. A 51, 1260 (1995) - Published 1 February, 1995

Efficient direct calculation of complex resonance (Siegert) energies

Hyo Weon Jang and John C. Light

Phys. Rev. A 51, 1277 (1995) - Published 1 February, 1995

Photoionization of the beryllium atom

Bin Zhou and C. D. Lin

Phys. Rev. A 51, 1286 (1995) - Published 1 February, 1995

Correlation effects in the resonant Auger decay of the Xe 4 $d_{3 / 2, 5 / 2}^{- 1}$ 6p states studied by high-resolution experiment and multiconfiguration Dirac-Fock theory

H. Aksela, O.-P. Sairanen, S. Aksela, A. Kivimäki, A. Naves de Brito, E. Nõmmiste, J. Tulkki, A. Ausmees, S. J. Osborne, and S. Svensson

Phys. Rev. A 51, 1291 (1995) - Published 1 February, 1995

Energy-transfer processes during ${Xe}^{30 +}$ -Ar collisions for projectile velocities between 0.3 and 1.0 a.u.

M. L. A. Raphaelian, M. P. Stöckli, W. Wu, and C. L. Cocke

Phys. Rev. A 51, 1304 (1995) - Published 1 February, 1995

Radiative electron capture by bare and H-like Si and Cl ions using the channeling technique and the associated solid-state effect

Lokesh C. Tribedi, V. Nanal, M. B. Kurup, K. G. Prasad, and P. N. Tandon

Phys. Rev. A 51, 1312 (1995) - Published 1 February, 1995

Charge transfer between the 2 $p^{2}$ ${}^{3}$ P ground-state $O^{2 +}$ ion and He, $H_{2}$ , $N_{2}$ , and CO at electron-volt energies

Z. Fang and Victor H. S. Kwong

Phys. Rev. A 51, 1321 (1995) - Published 1 February, 1995

Comparative study of exchange-correlation effects on the electronic and optical properties of alkali-metal clusters

M. Madjet, C. Guet, and W. R. Johnson

Phys. Rev. A 51, 1327 (1995) - Published 1 February, 1995

Recombination of $D^{+}$ and ${He}^{+}$ ions with low-energy free electrons

T. Quinteros, H. Gao, D. R. DeWitt, R. Schuch, M. Pajek, S. Asp, and Dž. Belkić

Phys. Rev. A 51, 1340 (1995) - Published 1 February, 1995

Electron capture from circular Rydberg atoms

M. F. V. Lundsgaard, Z. Chen, C. D. Lin, and N. Toshima

Phys. Rev. A 51, 1347 (1995) - Published 1 February, 1995

Single-electron detachment cross sections for 5–50-keV $H^{-}$ ions incident on helium, neon, and argon atoms

T. J. Kvale, J. S. Allen, X. D. Fang, A. Sen, and R. Matulioniene

Phys. Rev. A 51, 1351 (1995) - Published 1 February, 1995

Curvature in the scattered-beam growth curves in $H^{-}$ +(He,Ne,Ar) collisions

T. J. Kvale, J. S. Allen, A. Sen, X. D. Fang, and R. Matulioniene

Phys. Rev. A 51, 1360 (1995) - Published 1 February, 1995

Electron, atom, and molecule interactions with solids and surfaces

Quantum-mechanical treatment of high-energy channeling radiation

J. Augustin, A. Schäfer, and W. Greiner

Phys. Rev. A 51, 1367 (1995) - Published 1 February, 1995

$Z_{1}$ oscillations in yields of multicharged ions emitted from a germanium surface when bombarded by light ions

B. Hird, R. Armstrong, and P. Gauthier

Phys. Rev. A 51, 1374 (1995) - Published 1 February, 1995

Matter waves

Numerical solution of the nonlinear Schrödinger equation for small samples of trapped neutral atoms

Mark Edwards and K. Burnett

Phys. Rev. A 51, 1382 (1995) - Published 1 February, 1995

Atomic and molecular processes in electromagnetic fields

Time-resolved dynamics of two-channel molecular systems in cw laser fields: Wave-packet construction in the Floquet formalism

T. T. Nguyen-Dang, F. Châteauneuf, O. Atabek, and X. He

Phys. Rev. A 51, 1387 (1995) - Published 1 February, 1995

Creating long-lived neutral-atom traps in a cryogenic environment

P. A. Willems and K. G. Libbrecht

Phys. Rev. A 51, 1403 (1995) - Published 1 February, 1995

Effective stimulated laser cooling of atoms with a three-level Λ configuration by two negatively detuned standing light waves

Michael Drewsen

Phys. Rev. A 51, 1407 (1995) - Published 1 February, 1995

Production of an extremely cold plasma by optical-field-induced ionization

Yutaka Nagata, Katsumi Midorikawa, Shoichi Kubodera, Minoru Obara, Hideo Tashiro, Koichi Toyoda, and Yoshiaki Kato

Phys. Rev. A 51, 1415 (1995) - Published 1 February, 1995

Monte Carlo classical simulations of ionization and harmonic generation in the relativistic domain

C. H. Keitel and P. L. Knight

Phys. Rev. A 51, 1420 (1995) - Published 1 February, 1995

Laser-induced nuclear motions in the Coulomb explosion of $C_{2}$ $H_{2}^{+}$ ions

C. Cornaggia, M. Schmidt, and D. Normand

Phys. Rev. A 51, 1431 (1995) - Published 1 February, 1995

Experimental investigations of absorption and dispersion profiles of a strongly driven transition: ssV-shaped three-level system with a strong probe

Changjiang Wei, Neil B. Manson, and John P. D. Martin

Phys. Rev. A 51, 1438 (1995) - Published 1 February, 1995

Optical shielding of cold collisions

Kalle-Antti Suominen, Murray J. Holland, Keith Burnett, and Paul Julienne

Phys. Rev. A 51, 1446 (1995) - Published 1 February, 1995

Pulse-shape effects and blueshifting in the single-atom harmonic generation from neutral species and ions

J. B. Watson, A. Sanpera, and K. Burnett

Phys. Rev. A 51, 1458 (1995) - Published 1 February, 1995

Formation of hot electrons in noble gases by intense-field ionization: A quasistatic tunneling, independent-electron model

Peter B. Lerner and James S. Cohen

Phys. Rev. A 51, 1464 (1995) - Published 1 February, 1995

Quantum optics

Propagation of an optical beam in a photorefractive medium in the presence of a photogalvanic nonlinearity or an externally applied electric field

A. A. Zozulya and D. Z. Anderson

Phys. Rev. A 51, 1520 (1995) - Published 1 February, 1995

BRIEF REPORTS

Atomic and molecular structure and dynamics

Electron affinities of 6p electrons in $\Pr^{-}$

Konstantin Dinov and Donald R. Beck

Phys. Rev. A 51, 1680 (1995) - Published 1 February, 1995

Measurement of the 3d-4f transition in Ni-like Er for use in a photopumped x-ray-laser scheme

S. R. Elliott, P. Beiersdorfer, and J. Nilsen

Phys. Rev. A 51, 1683 (1995) - Published 1 February, 1995

Atomic and molecular collisions and interactions

Angular distributions of $N^{+}$ from $N_{2}^{2 +}$ produced by electron impact on $N_{2}$

Hyuck Cho and Sang-Eon Park

Phys. Rev. A 51, 1687 (1995) - Published 1 February, 1995

Electron, atom, and molecule interactions with solids and surfaces

D-D fusion induced by oxygen clusters impacting deuterated ice targets

J. F. Liang, R. Vandenbosch, and D. I. Will

Phys. Rev. A 51, 1691 (1995) - Published 1 February, 1995

Atomic and molecular processes in electromagnetic fields

Short-pulse population inversion and transmittance

Matjaž Kaluža and James T. Muckerman

Phys. Rev. A 51, 1694 (1995) - Published 1 February, 1995

Quantum optics

Nonclassical properties of correlated two-mode Schrödinger cat states

Christopher C. Gerry and Rainer Grobe

Phys. Rev. A 51, 1698 (1995) - Published 1 February, 1995

Physical aspect of the improvement of quantum-noise characteristics caused by unitary transformation with a nonlinear optical medium

M. Sasaki, T. S. Usuda, and O. Hirota

Phys. Rev. A 51, 1702 (1995) - Published 1 February, 1995

Normal ordering of the SU(1,1) and SU(2) squeeze operators

C. F. Lo

Phys. Rev. A 51, 1706 (1995) - Published 1 February, 1995

COMMENTS

Comment on ‘‘Saddle-point shifts in ionizing collisions’’

G. Bernardi and W. Meckbach

Phys. Rev. A 51, 1709 (1995) - Published 1 February, 1995

Reply to ‘‘Comment on ‘Saddle-point shifts in ionizing collisions’ ’’

Victor D. Irby

Phys. Rev. A 51, 1713 (1995) - Published 1 February, 1995

ERRATA

Erratum: Quantum projection noise: Population fluctuations in two-level systems [Phys. Rev. A 47, 3554 (1993)]

W. M. Itano, J. C. Bergquist, J. J. Bollinger, J. M. Gilligan, D. J. Heinzen, F. L. Moore, M. G. Raizen, and D. J. Wineland

Phys. Rev. A 51, 1717 (1995) - Published 1 February, 1995

Erratum: Direct numerical approach to electron-hydrogen scattering. II. $L > 0$

Y. D. Wang and J. Callaway

Phys. Rev. A 51, 1717 (1995) - Published 1 February, 1995