Volume 70, Issue 18

P. Fallon, J. Burde, B. Cederwall, M. A. Deleplanque, R. M. Diamond, I. Y. Lee, J. R. B. Oliveira, F. S. Stephens, J. A. Becker, M. J. Brinkman, E. A. Henry, A. Kuhnert, M. A. Stoyer, J. E. Draper, C. Duyar, and E. Rubel

Phys. Rev. Lett. 70, 2690 (1993) - Published 3 May, 1993

Microscopic origin of quantum chaos in rotational damping

M. Matsuo, T. Do/ssing, E. Vigezzi, and R. A. Broglia

Phys. Rev. Lett. 70, 2694 (1993) - Published 3 May, 1993

Atomic, Molecular, and Optical Physics

Hyperfine lifting of parity degeneracy and the question of inversion in a rigid molecule

R. J. Butcher, Ch. Chardonnet, and Ch. J. Bordé

Phys. Rev. Lett. 70, 2698 (1993) - Published 3 May, 1993

Correlated electron emission from thin carbon foils bombarded by 1.8 MeV/u Ar ions

Y. Yamazaki, K. Kuroki, T. Azuma, K. Komaki, H. Watanabe, N. Kakutani, T. Hasegawa, M. Sekiguchi, and T. Hattori

Phys. Rev. Lett. 70, 2702 (1993) - Published 3 May, 1993

Precision measurement of the photon recoil of an atom using atomic interferometry

David S. Weiss, Brenton C. Young, and Steven Chu

Phys. Rev. Lett. 70, 2706 (1993) - Published 3 May, 1993

Steady-state solutions to the master equation for polarization-dependent two-photon absorption

Daniel L. Schauer

Phys. Rev. Lett. 70, 2710 (1993) - Published 3 May, 1993

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Structure of the parameter space of the Hénon map

Jason A. C. Gallas

Phys. Rev. Lett. 70, 2714 (1993) - Published 3 May, 1993

Picosecond infrared vibrational photon echoes in a liquid and glass using a free electron laser

David Zimdars, A. Tokmakoff, S. Chen, S. R. Greenfield, M. D. Fayer, T. I. Smith, and H. A. Schwettman

Phys. Rev. Lett. 70, 2718 (1993) - Published 3 May, 1993

Frequency selection and global instabilities in three-dimensional weakly nonparallel flows

M. Z. Pesenson and P. A. Monkewitz

Phys. Rev. Lett. 70, 2722 (1993) - Published 3 May, 1993

Hydrodynamic boundary conditions and correlation functions of confined fluids

Lydéric Bocquet and Jean-Louis Barrat

Phys. Rev. Lett. 70, 2726 (1993) - Published 3 May, 1993

Analysis of the Evans and Baranyai variational principle in dilute gases

J. J. Brey, A. Santos, and V. Garzó

Phys. Rev. Lett. 70, 2730 (1993) - Published 3 May, 1993

Plasma and Beam Physics

Relaxation of pressure anisotropy due to Alfvén-ion-cyclotron fluctuations observed in ion-cyclotron-range-of-frequency–heated mirror plasmas

M. Ichimura, M. Inutake, R. Katsumata, N. Hino, H. Hojo, K. Ishii, T. Tamano, and S. Miyoshi

Phys. Rev. Lett. 70, 2734 (1993) - Published 3 May, 1993

Large bandwidth frequency-converted Nd:glass laser at 527 nm with Δν/ν=2%

David Eimerl, David Milam, and June Yu

Phys. Rev. Lett. 70, 2738 (1993) - Published 3 May, 1993

Condensed Matter: Structure, Etc.

Positional anchoring of smectic liquid crystals

M. Cagnon and G. Durand

Phys. Rev. Lett. 70, 2742 (1993) - Published 3 May, 1993

Investigation of the soft-mode relaxation in a ferroelectric liquid crystal with picosecond laser-induced dynamic gratings

R. Macdonald and D. Grebe

Phys. Rev. Lett. 70, 2746 (1993) - Published 3 May, 1993

First-principles studies on structural properties of β-cristobalite

Feng Liu, Stephen H. Garofalini, R. D. King-Smith, and David Vanderbilt

Phys. Rev. Lett. 70, 2750 (1993) - Published 3 May, 1993

Self-repair of monolayers with vacancy damage

B. Joós and M. S. Duesbery

Phys. Rev. Lett. 70, 2754 (1993) - Published 3 May, 1993

Random disorder in a model vortex liquid

A. Sudbø

Phys. Rev. Lett. 70, 2758 (1993) - Published 3 May, 1993

Sandpile models with dynamically varying critical slopes

Vidar Frette

Phys. Rev. Lett. 70, 2762 (1993) - Published 3 May, 1993

Glass transition in colloidal hard spheres: Mode-coupling theory analysis

W. van Megen and S. M. Underwood

Phys. Rev. Lett. 70, 2766 (1993) - Published 3 May, 1993

Wetting dynamics in a confined symmetric binary mixture undergoing phase separation

Hajime Tanaka

Phys. Rev. Lett. 70, 2770 (1993) - Published 3 May, 1993

Quantum thermodynamics of defects in solids

John R. Smith

Phys. Rev. Lett. 70, 2774 (1993) - Published 3 May, 1993

Dynamic contact angles and hydrodynamics near a moving contact line

John A. Marsh, S. Garoff, and E. B. Dussan V.

Phys. Rev. Lett. 70, 2778 (1993) - Published 3 May, 1993

Shape transition in growth of strained islands: Spontaneous formation of quantum wires

J. Tersoff and R. M. Tromp

Phys. Rev. Lett. 70, 2782 (1993) - Published 3 May, 1993

Adsorption of Al on Si(100): A surface polymerization reaction

G. Brocks, P. J. Kelly, and R. Car

Phys. Rev. Lett. 70, 2786 (1993) - Published 3 May, 1993

Direct measurement of the asymmetric dimer buckling of Ge on Si(001)

E. Fontes, J. R. Patel, and F. Comin

Phys. Rev. Lett. 70, 2790 (1993) - Published 3 May, 1993

Condensed Matter: Electronic Properties, Etc.

Native vacancies in semi-insulating GaAs observed by positron lifetime spectroscopy under photoexcitation

K. Saarinen, S. Kuisma, P. Hautojärvi, C. Corbel, and C. LeBerre

Phys. Rev. Lett. 70, 2794 (1993) - Published 3 May, 1993

Observation of a nonmagnetic hard gap in amorphous In/ ${InO}_{x}$ films in the hopping regime

Ju-Jin Kim and Hu Jong Lee

Phys. Rev. Lett. 70, 2798 (1993) - Published 3 May, 1993

Surface State Contribution to the Magnetic Moment of Ni(111)

M. Donath, F. Passek, and V. Dose

Phys. Rev. Lett. 70, 2802 (1993) - Published 3 May, 1993

Large oscillations of the density of states at the vortex axis

B. Pöttinger and U. Klein

Phys. Rev. Lett. 70, 2806 (1993) - Published 3 May, 1993

Spin Gaps and Spin Dynamics in ${La}_{2 - x} {Sr}_{x} Cu O_{4}$ and $Y {Ba}_{2} {Cu}_{3} O_{7 - δ}$

A. J. Millis and H. Monien

Phys. Rev. Lett. 70, 2810 (1993) - Published 3 May, 1993

Vanishing magnetization relaxation in the high field quantum limit in ${YBa}_{2}$ ${Cu}_{3}$ $O_{7 - δ}$

G. T. Seidler, C. S. Carrillo, T. F. Rosenbaum, U. Welp, G. W. Crabtree, and V. M. Vinokur

Phys. Rev. Lett. 70, 2814 (1993) - Published 3 May, 1993

Nuclear antiferromagnetism in rhodium metal at positive and negative nanokelvin temperatures

P. J. Hakonen, R. T. Vuorinen, and J. E. Martikainen

Phys. Rev. Lett. 70, 2818 (1993) - Published 3 May, 1993

COMMENTS

Comment on ‘‘Critical exponents for the irreversible surface reaction A+B→AB with B desorption on homogeneous and fractal media’’

Jun Zhuo and Sidney Redner

Phys. Rev. Lett. 70, 2822 (1993) - Published 3 May, 1993

ERRATA

Vapor-Liquid Condensation in Charged Colloidal Suspensions

B. V. R. Tata, M. Rajalakshmi, and Akhilesh K. Arora

Phys. Rev. Lett. 70, 2823 (1993) - Published 3 May, 1993

Theory of Fluctuations in Pseudointegrable Systems

Debabrata Biswas and Sudeshna Sinha

Phys. Rev. Lett. 70, 2823 (1993) - Published 3 May, 1993