Volume 48, Issue 4

October 1993

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RAPID COMMUNICATIONS

Atoms and Molecules in Electromagnetic Fields

RAPID COMMUNICATION

Laser-assisted elastic electron-atom collisions

B. Wallbank and J. K. Holmes

Phys. Rev. A 48, R2515(R) (1993) - Published 1 October, 1993

Atomic and Molecular Collisions and Interactions

RAPID COMMUNICATION

Breakdown of the isolated-resonance approximation for the electron-impact excitation of positive ions

N. R. Badnell, D. C. Griffin, T. W. Gorczyca, and M. S. Pindzola

Phys. Rev. A 48, R2519(R) (1993) - Published 1 October, 1993

Atoms and Molecules in Electromagnetic Fields

RAPID COMMUNICATION

Ultracold photoassociative ionization collisions in a magneto-optical trap: The optical-field-intensity dependence in a radiatively dissipative environment

V. Bagnato, L. Marcassa, Y. Wang, J. Weiner, P. S. Julienne, and Y. B. Band

Phys. Rev. A 48, R2523(R) (1993) - Published 1 October, 1993

RAPID COMMUNICATION

Stabilization of Rydberg atoms in superintense laser fields

Armin Scrinzi, Nils Elander, and Bernard Piraux

Phys. Rev. A 48, R2527(R) (1993) - Published 1 October, 1993

Quantum Optics

RAPID COMMUNICATION

Wavelength dependence of nonsequential double ionization in He

K. Kondo, A. Sagisaka, T. Tamida, Y. Nabekawa, and S. Watanabe

Phys. Rev. A 48, R2531(R) (1993) - Published 1 October, 1993

RAPID COMMUNICATION

Scheme for generation of sub-Poissonian photons: Antibunching of emission events by population-dependent spontaneous-emission lifetime in semiconductor microcavities

Masamichi Yamanishi and Yong Lee

Phys. Rev. A 48, R2534(R) (1993) - Published 1 October, 1993

ARTICLES

Fundamental Concepts

Landau-level ground-state degeneracy and its relevance for a general quantization procedure

Robert Alicki, John R. Klauder, and Jerzy Lewandowski

Phys. Rev. A 48, 2538 (1993) - Published 1 October, 1993

Optimal control of classical systems with explicit quantum-classical-difference reduction

Charles D. Schwieters and Herschel Rabitz

Phys. Rev. A 48, 2549 (1993) - Published 1 October, 1993

Random perturbation of systematic degeneracies and their Fourier transforms and periodic orbits

W. D. Heiss and M. Müller

Phys. Rev. A 48, 2558 (1993) - Published 1 October, 1993

Exact Green’s function for the step and square-barrier potentials

M. A. M. de Aguiar

Phys. Rev. A 48, 2567 (1993) - Published 1 October, 1993

Quantum-mechanical motion of Gaussian wave packets on elliptical and hyperbolic Kepler orbits in the Coulomb field

S. D. Boris, S. Brandt, H. D. Dahmen, T. Stroh, and M. L. Larsen

Phys. Rev. A 48, 2574 (1993) - Published 1 October, 1993

Generalized Coleman-Hepp model and quantum coherence

Kaoru Hiyama and Shin Takagi

Phys. Rev. A 48, 2586 (1993) - Published 1 October, 1993

Non-Abelian geometric effect in quantum adiabatic transitions

A. Joye and C.-E. Pfister

Phys. Rev. A 48, 2598 (1993) - Published 1 October, 1993

Contributions to the binding, two-loop correction to the Lamb shift

Krzysztof Pachucki

Phys. Rev. A 48, 2609 (1993) - Published 1 October, 1993

Evaluation of two-photon exchange graphs for highly charged heliumlike ions

Steven A. Blundell, Peter J. Mohr, W. R. Johnson, and J. Sapirstein

Phys. Rev. A 48, 2615 (1993) - Published 1 October, 1993

Quantum behavior of general time-dependent quadratic systems linearly coupled to a bath

J. Twamley

Phys. Rev. A 48, 2627 (1993) - Published 1 October, 1993

Atomic and Molecular Structure

Single-transverse-photon contributions of order $α^{6}$ ln (α) to the energy levels of positronium

Richard Noel Fell

Phys. Rev. A 48, 2634 (1993) - Published 1 October, 1993

Dimensional perturbation theory for excited states of two-electron atoms

D. Z. Goodson and D. K. Watson

Phys. Rev. A 48, 2668 (1993) - Published 1 October, 1993

Electronic structure of the CoO molecule

J. Piechota and M. Suffczyński

Phys. Rev. A 48, 2679 (1993) - Published 1 October, 1993

Dynamic polarizabilities and Rydberg states of the argon isoelectronic sequence

T. K. Ghosh, A. K. Das, Marcos Castro, Sylvio Canuto, and P. K. Mukherjee

Phys. Rev. A 48, 2686 (1993) - Published 1 October, 1993

Density-functional calculations of electric-dipole polarizabilities for atoms

Manoj K. Harbola

Phys. Rev. A 48, 2696 (1993) - Published 1 October, 1993

Fully numerical relativistic calculations for diatomic molecules using the finite-element method

L. Yang, D. Heinemann, and D. Kolb

Phys. Rev. A 48, 2700 (1993) - Published 1 October, 1993

Hartree-Fock method posed as a density-functional theory: Application to the Be atom

A. Holas, N. H. March, Y. Takahashi, and C. Zhang

Phys. Rev. A 48, 2708 (1993) - Published 1 October, 1993

Exact quantum theory of a time-dependent bound quadratic Hamiltonian system

Kyu Hwang Yeon, Kang Ku Lee, Chung In Um, Thomas F. George, and Lakshmi N. Pandey

Phys. Rev. A 48, 2716 (1993) - Published 1 October, 1993

Lower bound on the ground-state energy and one-dimensional N-fermion problem

S. Kilić and K. Mikelić

Phys. Rev. A 48, 2721 (1993) - Published 1 October, 1993

Forbidden transitions in one- and two-electron nickel

R. W. Dunford, H. G. Berry, D. A. Church, M. Hass, C. J. Liu, M. L. A. Raphaelian, B. J. Zabransky, L. J. Curtis, and A. E. Livingston

Phys. Rev. A 48, 2729 (1993) - Published 1 October, 1993

Induced mapping in the n-electron space and a transformation of valence-bond structures to molecular-orbital functions

P. Cassam-Chenaï, Y. Ellinger, and G. Berthier

Phys. Rev. A 48, 2746 (1993) - Published 1 October, 1993

Sternheimer free determination of the ${}^{59}{Co}$ nuclear quadrupole moment from hyperfine-structure measurements

J. Dembczyński, G. H. Guthöhrlein, and E. Stachowska

Phys. Rev. A 48, 2752 (1993) - Published 1 October, 1993

Lifetimes and Rydberg-valence state mixing of the c’ ${}^{1}Σ_{g}^{+}$ (v=4) and ${}^{1}Π_{u}$ (v=4) states of $N_{2}$

Hanspeter Helm, Irene Hazell, and Nis Bjerre

Phys. Rev. A 48, 2762 (1993) - Published 1 October, 1993

Accurate vacuum-polarization calculations

Hans Persson, Ingvar Lindgren, Sten Salomonson, and Per Sunnergren

Phys. Rev. A 48, 2772 (1993) - Published 1 October, 1993

Semiclassical description of antiproton capture on atomic helium

W. A. Beck, L. Wilets, and M. A. Alberg

Phys. Rev. A 48, 2779 (1993) - Published 1 October, 1993

New exactly solvable Hamiltonians: Shape invariance and self-similarity

D. T. Barclay, R. Dutt, A. Gangopadhyaya, Avinash Khare, A. Pagnamenta, and U. Sukhatme

Phys. Rev. A 48, 2786 (1993) - Published 1 October, 1993

Atomic and Molecular Collisions and Interactions

Logarithmic mean excitation energies: II. Helium, lithium, beryllium, and the 2s state of hydrogen

S. Rosendorff and H. G. Schlaile

Phys. Rev. A 48, 2798 (1993) - Published 1 October, 1993

Many-body theory of electron scattering by excited atomic targets: Fundamental formulas

G. Csanak, D. C. Cartwright, and Fernando J. da Paixão

Phys. Rev. A 48, 2811 (1993) - Published 1 October, 1993

Near-threshold behavior of the 2p-electron excitation in Mg-Mg, Al-Al, and Si-Si symmetric collisions

N. Mandarino, P. Zoccali, A. Oliva, M. Camarca, A. Bonanno, and F. Xu

Phys. Rev. A 48, 2828 (1993) - Published 1 October, 1993

Algebraic rotating-frame approach to electron-molecule scattering

Y. Alhassid, V. Liu, and B. Shao

Phys. Rev. A 48, 2832 (1993) - Published 1 October, 1993

Angular distributions in autodetachment from doubly excited $O^{-}$ states

P. Dahl, T. Andersen, L. Jo/dal, N. J. Kylstra, J. E. Hansen, and N. Vaeck

Phys. Rev. A 48, 2844 (1993) - Published 1 October, 1993

Electron-impact ionization of lithiumlike ions: ${Ti}^{19 +}$ , $V^{20 +}$ , ${Cr}^{21 +}$ , ${Mn}^{22 +}$ , and ${Fe}^{23 +}$

K. L. Wong, P. Beiersdorfer, M. H. Chen, R. E. Marrs, K. J. Reed, J. H. Scofield, D. A. Vogel, and R. Zasadzinski

Phys. Rev. A 48, 2850 (1993) - Published 1 October, 1993

Single-particle potential for photoexcited electron orbitals of open-shell atoms

James J. Boyle

Phys. Rev. A 48, 2860 (1993) - Published 1 October, 1993

Importance of bound-free correlation effects for vibrational excitation of molecules by electron impact: A sensitivity analysis

Michael A. Morrison and Wayne K. Trail

Phys. Rev. A 48, 2874 (1993) - Published 1 October, 1993

Monte Carlo simulation of x-ray absorption and electron drift in gaseous xenon

T. H. V. T. Dias, F. P. Santos, A. D. Stauffer, and C. A. N. Conde

Phys. Rev. A 48, 2887 (1993) - Published 1 October, 1993

J-mixing process of alkali-metal atoms treated as a three-body process within an eikonal approximation

Hong Liu and Baiwen Li

Phys. Rev. A 48, 2903 (1993) - Published 1 October, 1993

Experimental determination of real elements of the density matrix and the dipole moment of H(n=3) atoms produced from 20–100-keV $H^{+}$ on Ar

S. P. Renwick, E. C. Martell, W. D. Weaver, and J. S. Risley

Phys. Rev. A 48, 2910 (1993) - Published 1 October, 1993

Projectile-Auger-electron spectra of $C^{3 +}$ following 12-MeV collisions with He targets

E. F. Deveney, Q. C. Kessel, R. J. Fuller, M. P. Reaves, R. A. Bellantone, S. M. Shafroth, and N. Jones

Phys. Rev. A 48, 2926 (1993) - Published 1 October, 1993

Spin conservation in single-electron capture by $N^{2 +}$ in He, Ne, and Ar

A. R. Lee, A. C. R. Wilkins, C. S. Enos, and A. G. Brenton

Phys. Rev. A 48, 2934 (1993) - Published 1 October, 1993

Use of time-dependent wave-packet theory in electron-molecule scattering

Brian K. Elza and Burke Ritchie

Phys. Rev. A 48, 2940 (1993) - Published 1 October, 1993

Leading corrections to atomic impulse-approximation Compton profiles: A density-functional approach

Rajeev K. Pathak, Anjali Kshirsagar, Ruth Hoffmeyer, and Ajit J. Thakkar

Phys. Rev. A 48, 2946 (1993) - Published 1 October, 1993

Elastic D- and higher-partial-wave phase shifts in positron–hydrogen-atom collisions using Schwinger’s principle

Utpal Roy and Puspajit Mandal

Phys. Rev. A 48, 2952 (1993) - Published 1 October, 1993

Evolution of the anisotropy of the Auger decay of 2 $p_{3 / 2}^{- 1}$ ns resonances into anisotropy of $L_{3}$ MM Auger decay in Ar

J. Tulkki, H. Aksela, and N. M. Kabachnik

Phys. Rev. A 48, 2957 (1993) - Published 1 October, 1993

Spectrum of the Casimir effect and the Lifshitz theory

L. H. Ford

Phys. Rev. A 48, 2962 (1993) - Published 1 October, 1993

Electric-field effects on $H^{-}$ photodetachment with excitation of H(n=2)

Ning-Yi Du, Ilya I. Fabrikant, and Anthony F. Starace

Phys. Rev. A 48, 2968 (1993) - Published 1 October, 1993

Time ordering of two-step processes in energetic ion-atom collisions: Basic formalism

N. Stolterfoht

Phys. Rev. A 48, 2980 (1993) - Published 1 October, 1993

Time-ordering effects in K-shell excitation of 170-MeV ${Ne}^{7 +}$ colliding with gas atoms: Single excitation

N. Stolterfoht, A. Mattis, D. Schneider, G. Schiwietz, B. Skogvall, B. Sulik, and S. Ricz

Phys. Rev. A 48, 2986 (1993) - Published 1 October, 1993

Atomic and Molecular Spectroscopy

Symmetry relations in phase-sensitive magnetic-resonance spectroscopy

Y. Takahashi, T. Hashi, and Y. Fukuda

Phys. Rev. A 48, 2995 (1993) - Published 1 October, 1993

Observation of molecular emission bands in cw He- ${Cd}^{+}$ hollow-cathode lasers

S. E. Acosta-Ortiz, H. H. Telle, and Karyono

Phys. Rev. A 48, 3002 (1993) - Published 1 October, 1993

Molecular handedness and chiral strength determined by matter-wave circular dichroism

A. S. Garay, J. A. Ahlgren-Beckendorf, and Bela Gazdy

Phys. Rev. A 48, 3008 (1993) - Published 1 October, 1993

Observation and analysis of core-penetrating Rydberg states of calcium monofluoride

John M. Berg, James E. Murphy, Nicole A. Harris, and Robert W. Field

Phys. Rev. A 48, 3012 (1993) - Published 1 October, 1993

Line mixing and state-to-state rotational relaxation rates in $D_{2}$ determined from the Raman Q branch

P. M. Sinclair, J. W. Forsman, J. R. Drummond, and A. D. May

Phys. Rev. A 48, 3030 (1993) - Published 1 October, 1993

Effects of the intermolecular interaction on the depolarized rototranslational Raman spectra of hydrogen

Aleksandra Borysow and Massimo Moraldi

Phys. Rev. A 48, 3036 (1993) - Published 1 October, 1993

Superfluorescence beats in ${}^{125}{Te}_{2}$ emission

E. Boursey, J. Meziane, and A. Topouzkhanian

Phys. Rev. A 48, 3047 (1993) - Published 1 October, 1993

Near-threshold double photoionization in Zn and Hg

S. Svensson, S. Stranges, and M. Y. Adam

Phys. Rev. A 48, 3051 (1993) - Published 1 October, 1993

Soft-x-ray spectroscopy of Δn=0, n=3 transitions in highly stripped lead

A. Simionovici, D. D. Dietrich, R. Keville, T. Cowan, P. Beiersdorfer, M. H. Chen, and S. A. Blundell

Phys. Rev. A 48, 3056 (1993) - Published 1 October, 1993

Deviation from the single-particle model in the angular distribution of thorium $L_{3}$ x rays in proton-impact ionization

T. Papp, J. L. Campbell, and J. A. Maxwell

Phys. Rev. A 48, 3062 (1993) - Published 1 October, 1993

Atoms and Molecules in Electromagnetic Fields

Steady-state regime for the rotational dynamics of a molecule at the condition of quantum chaos

A. R. Kolovsky

Phys. Rev. A 48, 3072 (1993) - Published 1 October, 1993

Quantum manifestations of order and chaos in the Paul trap

M. Moore and R. Blümel

Phys. Rev. A 48, 3082 (1993) - Published 1 October, 1993

Resonance-fluorescence and absorption spectra of a two-level atom driven by a strong bichromatic field

Z. Ficek and H. S. Freedhoff

Phys. Rev. A 48, 3092 (1993) - Published 1 October, 1993

Parametrically pumped electron oscillators

J. Tan and G. Gabrielse

Phys. Rev. A 48, 3105 (1993) - Published 1 October, 1993

Bifurcations of electronic trajectories and dynamics of electronic Rydberg wave packets

M. W. Beims and G. Alber

Phys. Rev. A 48, 3123 (1993) - Published 1 October, 1993

Quantum Optics

Double-resonance spectroscopy by a transversely nonuniform pump beam in a three-level molecular system

G. P. Djotyan and J. S. Bakos

Phys. Rev. A 48, 3130 (1993) - Published 1 October, 1993

Theory of second-harmonic generation of molecular systems: The steady-state case

S. H. Lin, R. G. Alden, A. A. Villaeys, and V. Pflumio

Phys. Rev. A 48, 3137 (1993) - Published 1 October, 1993

Suppression of classical intensity fluctuations via competing nonlinear processes in an optical fiber

John R. Thompson

Phys. Rev. A 48, 3152 (1993) - Published 1 October, 1993

Measurement of number-phase uncertainty relations of optical fields

D. T. Smithey, M. Beck, J. Cooper, and M. G. Raymer

Phys. Rev. A 48, 3159 (1993) - Published 1 October, 1993

Discriminating field mixtures from macroscopic superpositions

S. M. Dutra, P. L. Knight, and H. Moya-Cessa

Phys. Rev. A 48, 3168 (1993) - Published 1 October, 1993

Variation from number- to chaotic-state fields: A generalized geometric state

A.-S. F. Obada, S. S. Hassan, R. R. Puri, and M. Sebawe Abdalla

Phys. Rev. A 48, 3174 (1993) - Published 1 October, 1993

Quantum-noise limits to matter-wave interferometry

Marlan O. Scully and Jonathan P. Dowling

Phys. Rev. A 48, 3186 (1993) - Published 1 October, 1993

Micromaser with Kerr nonlinearity

Bimalendu Deb and Deb Shankar Ray

Phys. Rev. A 48, 3191 (1993) - Published 1 October, 1993

Two mechanisms for inversionless amplification in four-level atoms with Raman pumping

C. H. Keitel, O. A. Kocharovskaya, L. M. Narducci, M. O. Scully, S.-Y. Zhu, and H. M. Doss

Phys. Rev. A 48, 3196 (1993) - Published 1 October, 1993

Time-delayed Raman-enhanced nondegenerate four-wave mixing with a broadband laser source

Xin Mi, Zuhe Yu, Qian Jiang, and Panming Fu

Phys. Rev. A 48, 3203 (1993) - Published 1 October, 1993

Transverse instability of counterpropagating waves in photorefractive media

M. Saffman, D. Montgomery, A. A. Zozulya, K. Kuroda, and D. Z. Anderson

Phys. Rev. A 48, 3209 (1993) - Published 1 October, 1993

Index of refraction of a system of strongly driven two-level atoms

Tran Quang and Helen Freedhoff

Phys. Rev. A 48, 3216 (1993) - Published 1 October, 1993

Phase and squeezing properties of two copropagating fields in a Kerr medium

H. X. Meng, C. L. Chai, and Z. M. Zhang

Phys. Rev. A 48, 3219 (1993) - Published 1 October, 1993

One-dimensional laser cooling with linearly polarized fields

Jun Guo and Paul R. Berman

Phys. Rev. A 48, 3225 (1993) - Published 1 October, 1993

Characteristic oscillations of phase properties for pair coherent states in the two-mode Jaynes-Cummings-model dynamics

S.-C. Gou

Phys. Rev. A 48, 3233 (1993) - Published 1 October, 1993

Internuclear-axis angular distribution in multiphoton excitation

Constantin Maïnos

Phys. Rev. A 48, 3242 (1993) - Published 1 October, 1993

Four-wave mixing with time-delayed, correlated, phase-diffusing optical fields

Gautam Vemuri

Phys. Rev. A 48, 3256 (1993) - Published 1 October, 1993

Quantum statistics of a lossless beam splitter: SU(2) symmetry in phase space

Ulf Leonhardt

Phys. Rev. A 48, 3265 (1993) - Published 1 October, 1993

Helicity dependence of optically encoded second-harmonic generation in glasses

T. J. Driscoll, R. L. MacDonald, and N. M. Lawandy

Phys. Rev. A 48, 3278 (1993) - Published 1 October, 1993

Quantum-nondemolition measurement of atomic momentum

Tycho Sleator and Martin Wilkens

Phys. Rev. A 48, 3286 (1993) - Published 1 October, 1993

Superstructures, fractional revivals, and optical Schrödinger-cat states in the Jaynes-Cummings model

P. F. Góra and C. Jedrzejek

Phys. Rev. A 48, 3291 (1993) - Published 1 October, 1993

Stimulated Brillouin scattering in fibers with and without external feedback

M. Dämmig, G. Zinner, F. Mitschke, and H. Welling

Phys. Rev. A 48, 3301 (1993) - Published 1 October, 1993

Limits to squeezing and phase information in the parametric amplifier

P. Kinsler, M. Fernée, and P. D. Drummond

Phys. Rev. A 48, 3310 (1993) - Published 1 October, 1993

Effect of redistributed radiation on degenerate four-wave mixing

N. J. Mulgan and R. J. Ballagh

Phys. Rev. A 48, 3321 (1993) - Published 1 October, 1993

Hopf bifurcation at the phase-locking point of an externally driven, homogeneously broadened laser

R. C. Buceta, M. S. Torre, and H. F. Ranea-Sandoval

Phys. Rev. A 48, 3336 (1993) - Published 1 October, 1993

Intracavity second-harmonic generation using an electromagnetically induced transparency

K. M. Gheri, C. Saavedra, and D. F. Walls

Phys. Rev. A 48, 3344 (1993) - Published 1 October, 1993

Multimode bosonic realization of the su(1,1) Lie algebra

C. F. Lo and K. L. Liu

Phys. Rev. A 48, 3362 (1993) - Published 1 October, 1993

Resonance fluorescence from two identical atoms in a standing-wave field

Georg Lenz and Pierre Meystre

Phys. Rev. A 48, 3365 (1993) - Published 1 October, 1993

BRIEF REPORTS

Fundamental Concepts

Interaction times in quantum scattering: The sojourn-time-operator approach versus the Feynman path-integral approach

Wojciech Jaworski and David M. Wardlaw

Phys. Rev. A 48, 3375 (1993) - Published 1 October, 1993

Quantum violation of stochastic noncontextual hidden-variable theories

S. M. Roy and Virendra Singh

Phys. Rev. A 48, 3379 (1993) - Published 1 October, 1993

Atomic and Molecular Structure

Lower bounds on equilibrium configurations of diatomic molecular systems

H. Hogreve

Phys. Rev. A 48, 3382 (1993) - Published 1 October, 1993

Atomic and Molecular Collisions and Interactions

Variational close-coupling calculation for D-wave positron-hydrogen scattering

T. T. Gien and Guo Guang Liu

Phys. Rev. A 48, 3386 (1993) - Published 1 October, 1993

Localization of shadow poles by complex scaling

Attila Csótó

Phys. Rev. A 48, 3390 (1993) - Published 1 October, 1993

Quantum Optics

Quantum phase distributions of amplified Schrödinger-cat states of light

V. Bužek, M. S. Kim, and Ts. Gantsog

Phys. Rev. A 48, 3394 (1993) - Published 1 October, 1993

COMMENTS

Comment on ‘‘Iterative Bogoliubov transformations and anharmonic oscillators’’

Francisco M. Fernández and Eduardo A. Castro

Phys. Rev. A 48, 3398 (1993) - Published 1 October, 1993