Volume 78, Issue 13

31 March 1997

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LETTERS

General Physics

Dynamical Hysteresis in Bistable Quantum Systems

M. Thorwart and P. Jung

Phys. Rev. Lett. 78, 2503 (1997) - Published 31 March, 1997

Nonadiabatic Geometrical Phase during Cyclic Evolution of a Gaussian Wave Packet

Y. C. Ge and M. S. Child

Phys. Rev. Lett. 78, 2507 (1997) - Published 31 March, 1997

Inhibition of Coherence in Trapped Bose-Einstein Condensates

A. Imamoḡlu, M. Lewenstein, and L. You

Phys. Rev. Lett. 78, 2511 (1997) - Published 31 March, 1997

Quantum Fluctuations and Dynamical Chaos

Sergei G. Matinyan and Berndt Müller

Phys. Rev. Lett. 78, 2515 (1997) - Published 31 March, 1997

Density of Kinks after a Quench: When Symmetry Breaks, How Big are the Pieces?

Pablo Laguna and Wojciech Hubert Zurek

Phys. Rev. Lett. 78, 2519 (1997) - Published 31 March, 1997

Gravitation and Astrophysics

Short-Range Test of the Equivalence Principle

J. H. Gundlach, G. L. Smith, E. G. Adelberger, B. R. Heckel, and H. E. Swanson

Phys. Rev. Lett. 78, 2523 (1997) - Published 31 March, 1997

Static Axially Symmetric Solutions of Einstein–Yang-Mills-Dilaton Theory

Burkhard Kleihaus and Jutta Kunz

Phys. Rev. Lett. 78, 2527 (1997) - Published 31 March, 1997

Effective Spatial Dimension of Extremal Nondilatonic Black $p$ -Branes and the Description on the World Volume

Rong-Gen Cai

Phys. Rev. Lett. 78, 2531 (1997) - Published 31 March, 1997

Nuclear Physics

The Energy Dependence of Flow in Ni Induced Collisions from $400 A$ to $1970 A MeV$

J. Chance et al. (The EOS Collaboration)

Phys. Rev. Lett. 78, 2535 (1997) - Published 31 March, 1997

Atomic, Molecular, and Optical Physics

Rotational Frequency Shift

Iwo Bialynicki-Birula and Zofia Bialynicka-Birula

Phys. Rev. Lett. 78, 2539 (1997) - Published 31 March, 1997

Observation of a Highly Excited Long-Lived Valence State in $H_{2}$

E. Reinhold, W. Hogervorst, and W. Ubachs

Phys. Rev. Lett. 78, 2543 (1997) - Published 31 March, 1997

Method for Direct Measurement of the Wigner Function in Cavity QED and Ion Traps

L. G. Lutterbach and L. Davidovich

Phys. Rev. Lett. 78, 2547 (1997) - Published 31 March, 1997

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Three-Dimensional Spiraling of Interacting Spatial Solitons

Ming-feng Shih, Mordechai Segev, and Greg Salamo

Phys. Rev. Lett. 78, 2551 (1997) - Published 31 March, 1997

Pearling and Pinching: Propagation of Rayleigh Instabilities

Thomas R. Powers and Raymond E. Goldstein

Phys. Rev. Lett. 78, 2555 (1997) - Published 31 March, 1997

Nature of the Vorticity Field Generated by Instabilities of Chaotic Fluid Flows

Charles Reyl, Thomas M. Antonsen, Jr., and Edward Ott

Phys. Rev. Lett. 78, 2559 (1997) - Published 31 March, 1997

Turbulence Fluctuations and New Universal Realizability Conditions in Modeling

Gregory L. Eyink and Francis J. Alexander

Phys. Rev. Lett. 78, 2563 (1997) - Published 31 March, 1997

Three-Dimensional Temporal Spectrum of Stretched Vortices

Maurice Rossi and Stéphane Le Dizès

Phys. Rev. Lett. 78, 2567 (1997) - Published 31 March, 1997

Condensed Matter: Structure, Etc.

Scanning Tunnel Microscopy Surface State Electron Scattering: Two-Tip Results from One-Tip Data

Yick Stella Chan and E. J. Heller

Phys. Rev. Lett. 78, 2570 (1997) - Published 31 March, 1997

NMR Study of Water Structure in Super- and Subcritical Conditions

Nobuyuki Matubayasi, Chihiro Wakai, and Masaru Nakahara

Phys. Rev. Lett. 78, 2573 (1997) - Published 31 March, 1997

Stability of Ordered Phases in Weakly Segregated Diblock Copolymer Systems

Mohamed Laradji, An-Chang Shi, Rashmi C. Desai, and Jaan Noolandi

Phys. Rev. Lett. 78, 2577 (1997) - Published 31 March, 1997

Surface-Freezing Transitions and Novel Tilted Hexatic Phases in Smectic Liquid-Crystal Films

C. Y. Chao, S. W. Hui, J. E. Maclennan, C. F. Chou, and J. T. Ho

Phys. Rev. Lett. 78, 2581 (1997) - Published 31 March, 1997

Correlated Orientations in Nanocrystal Fluctuations

T. Ben-David, Y. Lereah, G. Deutscher, J. M. Penisson, A. Bourret, R. Kofman, and P. Cheyssac

Phys. Rev. Lett. 78, 2585 (1997) - Published 31 March, 1997

Disorder-Order Ripening of $C_{60}$ Islands

Y-R. Ma, P. Moriarty, and P. H. Beton

Phys. Rev. Lett. 78, 2588 (1997) - Published 31 March, 1997

Study of Atomic Motion in Oriented EuO Single Crystals Using Neutrino Induced Doppler Broadening

N. Stritt, J. Jolie, M. Jentschel, and H. G. Börner

Phys. Rev. Lett. 78, 2592 (1997) - Published 31 March, 1997

Specific Heat and Scaling of $^{4} He$ Confined in a Planar Geometry

Sarabjit Mehta and Francis M. Gasparini

Phys. Rev. Lett. 78, 2596 (1997) - Published 31 March, 1997

Frustration by Multiple Spin Exchange in 2D Solid $^{3} He$ Films

Marcio Siqueira, Jan Nyéki, Brian Cowan, and John Saunders

Phys. Rev. Lett. 78, 2600 (1997) - Published 31 March, 1997

Direct Determination of Multiple Adsorption Sites Using Chemical-Shift Photoelectron Diffraction: Sb/GaAs(110)

H. Ascolani, J. Avila, N. Franco, and M. C. Asensio

Phys. Rev. Lett. 78, 2604 (1997) - Published 31 March, 1997

Control of Si(100) Sublimation with Dopants

C. M. Roland, M. G. Wensell, Y. Hong, and I. S. T. Tsong

Phys. Rev. Lett. 78, 2608 (1997) - Published 31 March, 1997

Simulations of Ripple Formation on Ion-Bombarded Solid Surfaces

I. Koponen, M. Hautala, and O.-P. Sievänen

Phys. Rev. Lett. 78, 2612 (1997) - Published 31 March, 1997

Scaling Laws for Microemulsions Governed by Spontaneous Curvature

T. Tlusty, S. A. Safran, R. Menes, and R. Strey

Phys. Rev. Lett. 78, 2616 (1997) - Published 31 March, 1997

Condensed Matter: Electronic Properties, Etc.

Monte Carlo Calculation of the Linear Resistance of a Three Dimensional Lattice superconductor Model in the London Limit

Hans Weber and Henrik Jeldtoft Jensen

Phys. Rev. Lett. 78, 2620 (1997) - Published 31 March, 1997

Angular Position of Nodes in the Superconducting Gap of YBCO

H. Aubin, K. Behnia, M. Ribault, R. Gagnon, and L. Taillefer

Phys. Rev. Lett. 78, 2624 (1997) - Published 31 March, 1997

Evolution of the Fermi Surface with Carrier Concentration in ${Bi}_{2} {Sr}_{2} {CaCu}_{2} O_{8 + δ}$

H. Ding, M. R. Norman, T. Yokoya, T. Takeuchi, M. Randeria, J. C. Campuzano, T. Takahashi, T. Mochiku, and K. Kadowaki

Phys. Rev. Lett. 78, 2628 (1997) - Published 31 March, 1997

Dissipation-Driven Superconductor-Insulator Transition in a Two-Dimensional Josephson-Junction Array

A. J. Rimberg, T. R. Ho, Ç. Kurdak, John Clarke, K. L. Campman, and A. C. Gossard

Phys. Rev. Lett. 78, 2632 (1997) - Published 31 March, 1997

Phase Conjugated Andreev Backscattering in Two-Dimensional Ballistic Cavities

A. F. Morpurgo, S. Holl, B. J. van Wees, T. M. Klapwijk, and G. Borghs

Phys. Rev. Lett. 78, 2636 (1997) - Published 31 March, 1997

Anomalous Flux-Flow Dynamics in Layered Type-II Superconductors at Low Temperatures

M. V. Feigel'man and M. A. Skvortsov

Phys. Rev. Lett. 78, 2640 (1997) - Published 31 March, 1997

First-Order Melting of a Moving Vortex Lattice: Effects of Disorder

Daniel Domínguez, Niels Grønbech-Jensen, and A. R. Bishop

Phys. Rev. Lett. 78, 2644 (1997) - Published 31 March, 1997

Dynamic Phases of Vortices in Superconductors with Periodic Pinning

C. Reichhardt, C. J. Olson, and Franco Nori

Phys. Rev. Lett. 78, 2648 (1997) - Published 31 March, 1997

Towards a Unified Picture of Spin Dependent Transport in and Perpendicular Giant Magnetoresistance and Bulk Alloys

S. Y. Hsu, A. Barthélémy, P. Holody, R. Loloee, P. A. Schroeder, and A. Fert

Phys. Rev. Lett. 78, 2652 (1997) - Published 31 March, 1997

Cross-Disciplinary Physics

Eikonal Relation in Highly Dispersive Excitable Media

A. M. Pertsov, M. Wellner, and J. Jalife

Phys. Rev. Lett. 78, 2656 (1997) - Published 31 March, 1997

Amorphous Clustering in Highly Charged Dilute Poly(chlorostyrene-styrene sulfonate) Colloids

B. V. R. Tata, Eiji Yamahara, P. V. Rajamani, and Norio Ise

Phys. Rev. Lett. 78, 2660 (1997) - Published 31 March, 1997

Shear-Induced “Homogenization” of a Diluted Polymer Blend

J.-W. Yu, J. F. Douglas, E. K. Hobbie, S. Kim, and C. C. Han

Phys. Rev. Lett. 78, 2664 (1997) - Published 31 March, 1997

Variational Approach to Relaxation in Complex Free Energy Landscapes: The Polymer Folding Problem

Ariel Fernández and Gustavo Appignanesi

Phys. Rev. Lett. 78, 2668 (1997) - Published 31 March, 1997

Kardar-Parisi-Zhang Scaling of the Height of the Convective Boundary Layer and Fractal Structure of Cumulus Cloud Fields

Jon D. Pelletier

Phys. Rev. Lett. 78, 2672 (1997) - Published 31 March, 1997

COMMENTS

Comment on “Observation of Temporal Behavior of an Atomic Wave Packet Localized in an Optical Potential”

W. D. Phillips and C. I. Westbrook

Phys. Rev. Lett. 78, 2676 (1997) - Published 31 March, 1997

Kozuma et al. Reply:

M. Kozuma, K. Nakagawa, W. Jhe, and M. Ohtsu

Phys. Rev. Lett. 78, 2677 (1997) - Published 31 March, 1997

Absence of Shapiro-Like Steps in Certain Mesoscopic $S$ - $N$ - $S$ junctions

J. G. E. Harris, N. Argaman, and S. J. Allen

Phys. Rev. Lett. 78, 2678 (1997) - Published 31 March, 1997

Volkov and Takayamagi Reply:

Anatoly F. Volkov and Hideaki Takayanagi

Phys. Rev. Lett. 78, 2679 (1997) - Published 31 March, 1997

ERRATA

Two-Dimensional Child-Langmuir Law [Phys. Rev. Lett. 77, 4668 (1996)]

J. W. Luginsland, Y. Y. Lau, and R. M. Gilgenbach

Phys. Rev. Lett. 78, 2680 (1997) - Published 31 March, 1997