Volume 77, Issue 23

P. Schuurmans, B. Will, I. Berkes, J. Camps, M. De Jesus, P. De Moor, P. Herzog, M. Lindroos, R. Paulsen, N. Severijns, A. Van Geert, P. Van Duppen, and L. Vanneste (NICOLE Collaboration, ISOLDE Collaboration)

Phys. Rev. Lett. 77, 4720 (1996) - Published 2 December, 1996

Atomic, Molecular, and Optical Physics

Calculation of the $β$ -Decay Spectrum of the $T_{2}$ Molecule beyond the Sudden Impulse Approximation

P. Froelich and A. Saenz

Phys. Rev. Lett. 77, 4724 (1996) - Published 2 December, 1996

Quantum Reservoir Engineering with Laser Cooled Trapped Ions

J. F. Poyatos, J. I. Cirac, and P. Zoller

Phys. Rev. Lett. 77, 4728 (1996) - Published 2 December, 1996

Level-Crossing Resonances in Nuclear Spin Conversion of Molecules

B. Nagels, N. Calas, D. A. Roozemond, L. J. F. Hermans, and P. L. Chapovsky

Phys. Rev. Lett. 77, 4732 (1996) - Published 2 December, 1996

Quantum Optical Effects and Nonlinear Dynamics in Interacting Electron Systems

S. Savasta and R. Girlanda

Phys. Rev. Lett. 77, 4736 (1996) - Published 2 December, 1996

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Sustaining Chaos by Using Basin Boundary Saddles

Ira B. Schwartz and Ioana Triandaf

Phys. Rev. Lett. 77, 4740 (1996) - Published 2 December, 1996

Diffusion and Localization in Chaotic Billiards

Fausto Borgonovi, Giulio Casati, and Baowen Li

Phys. Rev. Lett. 77, 4744 (1996) - Published 2 December, 1996

Suppression of Chaotic Diffusion by Quenched Disorder

Günter Radons

Phys. Rev. Lett. 77, 4748 (1996) - Published 2 December, 1996

Double Butterfly Spectrum for Two Interacting Particles in the Harper Model

Armelle Barelli, Jean Bellissard, Philippe Jacquod, and Dima L. Shepelyansky

Phys. Rev. Lett. 77, 4752 (1996) - Published 2 December, 1996

Spatial Coherence Measurement of Soft X-Ray Radiation Produced by High Order Harmonic Generation

T. Ditmire, E. T. Gumbrell, R. A. Smith, J. W. G. Tisch, D. D. Meyerhofer, and M. H. R. Hutchinson

Phys. Rev. Lett. 77, 4756 (1996) - Published 2 December, 1996

Propagation of Elastic Waves in Deep Vertically Shaken Particle Beds

Alexander V. Potapov and Charles S. Campbell

Phys. Rev. Lett. 77, 4760 (1996) - Published 2 December, 1996

Plasma and Beam Physics

Demonstration of Microwave Generation from a Static Field by a Relativistic Ionization Front in a Capacitor Array

C. H. Lai, R. Liou, T. C. Katsouleas, P. Muggli, R. Brogle, C. Joshi, and W. B. Mori

Phys. Rev. Lett. 77, 4764 (1996) - Published 2 December, 1996

Condensed Matter: Structure, Etc.

Hysteretic Creep of Elastic Manifolds

Stefan Scheidl and Valerii M. Vinokur

Phys. Rev. Lett. 77, 4768 (1996) - Published 2 December, 1996

Direct Observation of $(B_{12})$ $(B_{12})_{12}$ Supericosahedra as the Basic Structural Element in ${YB}_{66}$

Craig L. Perkins, Michael Trenary, and Takaho Tanaka

Phys. Rev. Lett. 77, 4772 (1996) - Published 2 December, 1996

Breather Mobility in Discrete $φ^{4}$ Nonlinear Lattices

Ding Chen, S. Aubry, and G. P. Tsironis

Phys. Rev. Lett. 77, 4776 (1996) - Published 2 December, 1996

Theory of Branching and Annihilating Random Walks

John Cardy and Uwe C. Täuber

Phys. Rev. Lett. 77, 4780 (1996) - Published 2 December, 1996

Diffusion of Boron in Copper by Direct-Exchange Mechanism

B. Ittermann, H. Ackermann, H.-J. Stöckmann, K.-H. Ergezinger, M. Heemeier, F. Kroll, F. Mai, K. Marbach, D. Peters, and G. Sulzer

Phys. Rev. Lett. 77, 4784 (1996) - Published 2 December, 1996

Undulations and Dynamic Structure Factor of Membranes

A. G. Zilman and R. Granek

Phys. Rev. Lett. 77, 4788 (1996) - Published 2 December, 1996

Condensed Matter: Electronic Properties, Etc.

Motional Narrowing in Semiconductor Microcavities

D. M. Whittaker, P. Kinsler, T. A. Fisher, M. S. Skolnick, A. Armitage, A. M. Afshar, M. D. Sturge, and J. S. Roberts

Phys. Rev. Lett. 77, 4792 (1996) - Published 2 December, 1996

Coherent $ab$ and $c$ Transport Theory of High- $T_{c}$ Cuprates

A. S. Alexandrov, V. V. Kabanov, and N. F. Mott

Phys. Rev. Lett. 77, 4796 (1996) - Published 2 December, 1996

Spin-Peierls States of Quantum Antiferromagnets on the ${CaV}_{4} O_{9}$ Lattice

Subir Sachdev and N. Read

Phys. Rev. Lett. 77, 4800 (1996) - Published 2 December, 1996

Exact Results for Quantum Phase Transitions in Random XY Spin Chains

Ross H. McKenzie

Phys. Rev. Lett. 77, 4804 (1996) - Published 2 December, 1996

Transverse X-Ray Coherence in Nuclear Scattering of Synchrotron Radiation

A. Q. R. Baron, A. I. Chumakov, H. F. Grünsteudel, H. Grünsteudel, L. Niesen, and R. Rüffer

Phys. Rev. Lett. 77, 4808 (1996) - Published 2 December, 1996

Interstitial-Carbon Hydrogen Interaction in Silicon

A. N. Safonov, E. C. Lightowlers, Gordon Davies, P. Leary, R. Jones, and S. Öberg

Phys. Rev. Lett. 77, 4812 (1996) - Published 2 December, 1996

Sonoluminescence in High Magnetic Fields

J. B. Young, T. Schmiedel, and Woowon Kang

Phys. Rev. Lett. 77, 4816 (1996) - Published 2 December, 1996

Theory of Exciton Migration and Field-Induced Dissociation in Conjugated Polymers

M. C. J. M. Vissenberg and M. J. M. de Jong

Phys. Rev. Lett. 77, 4820 (1996) - Published 2 December, 1996

Charge Redistribution in Pd-Ag Alloys from a Local Perspective

I. Coulthard and T. K. Sham

Phys. Rev. Lett. 77, 4824 (1996) - Published 2 December, 1996

Cross-Disciplinary Physics

Ab Initio Ammonia and CO Lateral Interactions on Pt(111)

D. R. Jennison, P. A. Schultz, and M. P. Sears

Phys. Rev. Lett. 77, 4828 (1996) - Published 2 December, 1996

Phase Diagram of Colloidal Solutions

Neer Asherie, Aleksey Lomakin, and George B. Benedek

Phys. Rev. Lett. 77, 4832 (1996) - Published 2 December, 1996

Experimental Operation of a Cyclotron Autoresonance Maser Oscillator at the Second Harmonic

S. J. Cooke, A. W. Cross, W. He, and A. D. R. Phelps

Phys. Rev. Lett. 77, 4836 (1996) - Published 2 December, 1996

Magnetic Levitation and Noncoalescence of Liquid Helium

M. A. Weilert, D. L. Whitaker, H. J. Maris, and G. M. Seidel

Phys. Rev. Lett. 77, 4840 (1996) - Published 2 December, 1996

Emergence of Chaos in Asymmetric Networks

I. Kanter

Phys. Rev. Lett. 77, 4844 (1996) - Published 2 December, 1996

COMMENTS

Comment on “Extreme State of a Charged Black Hole in a Grand Canonical Ensemble”

A. Ghosh and P. Mitra

Phys. Rev. Lett. 77, 4848 (1996) - Published 2 December, 1996

Comment of “Two Phase Transitions in the Fully Frustrated XY Model”

Jorge V. José and G. Ramírez-Santiago

Phys. Rev. Lett. 77, 4849 (1996) - Published 2 December, 1996

Olsson Replies:

Peter Olsson

Phys. Rev. Lett. 77, 4850 (1996) - Published 2 December, 1996

ERRATA

1D Generalized Statistics Gas: A Gauge Theory Approach

Silvio J. Benetton Rabello

Phys. Rev. Lett. 77, 4851 (1996) - Published 2 December, 1996

Dynamical Entropies Applied to Stochastic Resonance

Alexander Neiman, Boris Shulgin, Vadim Anishchenko, Werner Ebeling, Lutz Schimansky-Geier, and Jan Freund

Phys. Rev. Lett. 77, 4851 (1996) - Published 2 December, 1996

Electromagnetic Beam Breakup: Multiple Filaments, Single Beam Equilibria, and Radiation [Phys. Rev. Lett 77, 1282 (1996)]

F. Vidal and T. W. Johnston

Phys. Rev. Lett. 77, 4852 (1996) - Published 2 December, 1996

Spiral-Defect Chaos in Rayleigh-Bénard Convection with Small Prandtl Numbers

Jun Liu and Guenter Ahlers

Phys. Rev. Lett. 77, 4853 (1996) - Published 2 December, 1996