Volume 74, Issue 16

17 April 1995

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LETTERS

General Physics

Kinetics of Bose Condensation

D. V. Semikoz and I. I. Tkachev

Phys. Rev. Lett. 74, 3093 (1995) - Published 17 April, 1995

Gravitation and Astrophysics

Transonic Elastic Model for Wiggly Goto-Nambu String

Brandon Carter

Phys. Rev. Lett. 74, 3098 (1995) - Published 17 April, 1995

Cancellation of Longitudinal Contribution in Wiggly String Equation of State

Xavier Martin

Phys. Rev. Lett. 74, 3102 (1995) - Published 17 April, 1995

Cosmic Fluctuations and Dark Matter from Scalar Field Oscillations

Craig J. Hogan

Phys. Rev. Lett. 74, 3105 (1995) - Published 17 April, 1995

Elementary Particles and Fields

Can Sigma Models Describe Finite Temperature Chiral Transitions?

Aleksandar Kocić and John Kogut

Phys. Rev. Lett. 74, 3109 (1995) - Published 17 April, 1995

First Observation of the Decay $Ξ_{c}^{+} \to Ξ^{0} {e^{+} ν}_{e}$ and an Estimate of the $Ξ_{c}^{+}$ $Ξ_{c}^{0}$ Lifetime Ratio

J. P. Alexander et al. (CLEO Collaboration)

Phys. Rev. Lett. 74, 3113 (1995) - Published 17 April, 1995

Measurement of the Bottom-Quark Production Cross Section in 800 GeV/c Proton-Gold Collisions

D. M. Jansen et al.

Phys. Rev. Lett. 74, 3118 (1995) - Published 17 April, 1995

Possible Light U(1) Gauge Boson Coupled to Baryon Number

Christopher D. Carone and Hitoshi Murayama

Phys. Rev. Lett. 74, 3122 (1995) - Published 17 April, 1995

Nuclear Physics

How Disoriented Chiral Condensates Form: Quenching versus Annealing

Masayuki Asakawa, Zheng Huang, and Xin-Nian Wang

Phys. Rev. Lett. 74, 3126 (1995) - Published 17 April, 1995

Chiral Phase Transition in an Expanding Quark-Antiquark Plasma

Abdellatif Abada and Jörg Aichelin

Phys. Rev. Lett. 74, 3130 (1995) - Published 17 April, 1995

Atomic, Molecular, and Optical Physics

Geometric Phase of Polarized Hydrogenlike Atoms in an External Magnetic Field

Zhong Tang and David Finkelstein

Phys. Rev. Lett. 74, 3134 (1995) - Published 17 April, 1995

Supersymmetry and the Binding of a Magnetic Atom to a Filamentary Current

Lene Vestergaard Hau, J. A. Golovchenko, and Michael M. Burns

Phys. Rev. Lett. 74, 3138 (1995) - Published 17 April, 1995

Line Shapes in Coherent Ion Dip Spectroscopy of Polyatomic Molecules

R. Neuhauser, R. Sussmann, and H. J. Neusser

Phys. Rev. Lett. 74, 3141 (1995) - Published 17 April, 1995

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Numerical Evidence of Fast Dynamo Action in a Spherical Shell

R. Hollerbach, D. J. Galloway, and M. R. E. Proctor

Phys. Rev. Lett. 74, 3145 (1995) - Published 17 April, 1995

Plasma and Beam Physics

Soft X-Ray Amplification via Resonant Backward Scattering from Relativistic Particle Beams

B. Dubetsky and P. R. Berman

Phys. Rev. Lett. 74, 3149 (1995) - Published 17 April, 1995

Reflection and Transmission of Space-Charge Waves at Bunched Beam Ends

J. G. Wang, D. X. Wang, H. Suk, and M. Reiser

Phys. Rev. Lett. 74, 3153 (1995) - Published 17 April, 1995

Multiangle, Time-Resolved Spectroscopy of Laser-Light Scattering in Underdense, Inhomogeneous Laser Plasmas

R. P. Drake, K. S. Bradley, S. H. Batha, H. A. Baldis, D. S. Montgomery, Kent Estabrook, W. L. Kruer, and R. J. Procassini

Phys. Rev. Lett. 74, 3157 (1995) - Published 17 April, 1995

Experimental Observation of Stochastic Resonancelike Behavior of Autonomous Motion in Weakly Ionized rf Magnetoplasmas

Lin I and Jeng-Mei Liu

Phys. Rev. Lett. 74, 3161 (1995) - Published 17 April, 1995

Direct Electromagnetic Acceleration of a Compact Toroid to High Density and High Speed

Robert E. Peterkin, Jr.

Phys. Rev. Lett. 74, 3165 (1995) - Published 17 April, 1995

Condensed Matter: Structure, Etc.

Angular Distribution of Rotons Generated by Alpha Particles in Superfluid Helium: A Possible Tool for Low Energy Particle Detection

S. R. Bandler, S. M. Brouër, C. Enss, R. E. Lanou, H. J. Maris, T. More, F. S. Porter, and G. M. Seidel

Phys. Rev. Lett. 74, 3169 (1995) - Published 17 April, 1995

X-Ray Image Contrast from a Simple Phase Object

T. J. Davis, T. E. Gureyev, D. Gao, A. W. Stevenson, and S. W. Wilkins

Phys. Rev. Lett. 74, 3173 (1995) - Published 17 April, 1995

Structures of the Ga-Rich $4 \times 2$ and $4 \times 6$ Reconstructions of the GaAs(001) Surface

Qikun Xue, T. Hashizume, J. M. Zhou, T. Sakata, T. Ohno, and T. Sakurai

Phys. Rev. Lett. 74, 3177 (1995) - Published 17 April, 1995

Anomalous Elasticity of Polymer Cholesterics

Randall D. Kamien and John Toner

Phys. Rev. Lett. 74, 3181 (1995) - Published 17 April, 1995

Instability in the Classic Theory of Coarsening

V. G. Karpov

Phys. Rev. Lett. 74, 3185 (1995) - Published 17 April, 1995

Casimir Interaction of Spheres in a Fluid at the Critical Point

Theodore W. Burkhardt and Erich Eisenriegler

Phys. Rev. Lett. 74, 3189 (1995) - Published 17 April, 1995

Electric-Field Induced Restructuring of Water at a Platinum-Water Interface: A Molecular Dynamics Computer Simulation

Xinfu Xia and Max L. Berkowitz

Phys. Rev. Lett. 74, 3193 (1995) - Published 17 April, 1995

Molecular Dynamics Study of Pressure Enhancement of Ion Mobilities in Liquid Silica

Shinji Tsuneyuki and Yoshito Matsui

Phys. Rev. Lett. 74, 3197 (1995) - Published 17 April, 1995

Maximum Overheating and Partial Wetting of Nonmelting Solid Surfaces

Francesco D. Di Tolla, Furio Ercolessi, and Erio Tosatti

Phys. Rev. Lett. 74, 3201 (1995) - Published 17 April, 1995

Evidence of Self-Affine Rough Interfaces in a Langmuir-Blodgett Film from X-Ray Reflectometry

A. Gibaud, N. Cowlam, G. Vignaud, and T. Richardson

Phys. Rev. Lett. 74, 3205 (1995) - Published 17 April, 1995

Island Scaling in Strained Heteroepitaxy: InAs/GaAs(001)

V. Bressler-Hill, S. Varma, A. Lorke, B. Z. Nosho, P. M. Petroff, and W. H. Weinberg

Phys. Rev. Lett. 74, 3209 (1995) - Published 17 April, 1995

Real Time Observation of Reflectance Anisotropy and Reflection High-Energy Electron Diffraction Intensity Oscillations During Gas-Source Molecular-Beam-Epitaxy Growth of Si and SiGe on Si(001)

A. R. Turner, M. E. Pemble, J. M. Fernández, B. A. Joyce, J. Zhang, and A. G. Taylor

Phys. Rev. Lett. 74, 3213 (1995) - Published 17 April, 1995

Diffusion-Limited Aggregation with Active Edge Diffusion

Holger Röder, Karsten Bromann, Harald Brune, and Klaus Kern

Phys. Rev. Lett. 74, 3217 (1995) - Published 17 April, 1995

Condensed Matter: Electronic Properties, Etc.

Electronic Structure of NiO in the $GW$ Approximation

F. Aryasetiawan and O. Gunnarsson

Phys. Rev. Lett. 74, 3221 (1995) - Published 17 April, 1995

van Hove Singularity Induced $L 1_{1}$ Ordering in CuPt

J. F. Clark, F. J. Pinski, D. D. Johnson, P. A. Sterne, J. B. Staunton, and B. Ginatempo

Phys. Rev. Lett. 74, 3225 (1995) - Published 17 April, 1995

Interactions, Localization, and the Integer Quantum Hall Effect

S.-R. Eric Yang, A. H. MacDonald, and Bodo Huckestein

Phys. Rev. Lett. 74, 3229 (1995) - Published 17 April, 1995

Center of Mass and Relative Motion in Time Dependent Density Functional Theory

G. Vignale

Phys. Rev. Lett. 74, 3233 (1995) - Published 17 April, 1995

Conduction Threshold, Switching, and Hysteresis in Quantum Dot Arrays

C. I. Duruöz, R. M. Clarke, C. M. Marcus, and J. S. Harris, Jr.

Phys. Rev. Lett. 74, 3237 (1995) - Published 17 April, 1995

Spectroscopic Measurements of Discrete Electronic States in Single Metal Particles

D. C. Ralph, C. T. Black, and M. Tinkham

Phys. Rev. Lett. 74, 3241 (1995) - Published 17 April, 1995

Coupled Electron-Hole Transport: Beyond the Mean Field Approximation

L. Świerkowski, J. Szymański, and Z. W. Gortel

Phys. Rev. Lett. 74, 3245 (1995) - Published 17 April, 1995

Fractional Vortices as Evidence of Time-Reversal Symmetry Breaking in High-Temperature Superconductors

M. Sigrist, D. B. Bailey, and R. B. Laughlin

Phys. Rev. Lett. 74, 3249 (1995) - Published 17 April, 1995

Superconductivity in Bad Metals

V. J. Emery and S. A. Kivelson

Phys. Rev. Lett. 74, 3253 (1995) - Published 17 April, 1995

Unified Scaling Theory of the Electron Box for Arbitrary Tunneling Strength

G. Falci, Gerd Schön, and Gergely T. Zimanyi

Phys. Rev. Lett. 74, 3257 (1995) - Published 17 April, 1995

Length Quantization in Levitation of Magnetic Microparticles by a Mesoscopic Superconducting Ring

Stephen B. Haley

Phys. Rev. Lett. 74, 3261 (1995) - Published 17 April, 1995

Phase-Sensitive Measurements of Vortex Dynamics in the Terahertz Domain

Beth Parks, S. Spielman, J. Orenstein, D. T. Nemeth, Frank Ludwig, John Clarke, Paul Merchant, and D. J. Lew

Phys. Rev. Lett. 74, 3265 (1995) - Published 17 April, 1995

Composite Flux-Line Lattices Stabilized in Superconducting Films by a Regular Array of Artificial Defects

M. Baert, V. V. Metlushko, R. Jonckheere, V. V. Moshchalkov, and Y. Bruynseraede

Phys. Rev. Lett. 74, 3269 (1995) - Published 17 April, 1995

Large Magnetoresistance at Room Temperature in Ferromagnetic Thin Film Tunnel Junctions

J. S. Moodera, Lisa R. Kinder, Terrilyn M. Wong, and R. Meservey

Phys. Rev. Lett. 74, 3273 (1995) - Published 17 April, 1995

Surface Study of Supported Metal Particles by $^{129} Xe$ NMR

A. Bifone, T. Pietrass, J. Kritzenberger, A. Pines, and B. F. Chmelka

Phys. Rev. Lett. 74, 3277 (1995) - Published 17 April, 1995

Picosecond Phonon-Polariton Pulse Transmission through an Interface

F. Vallée and Ch. Flytzanis

Phys. Rev. Lett. 74, 3281 (1995) - Published 17 April, 1995

Raman Selection Rules for the Observation of Interface Modes in InAs/GaSb Superlattices

S. G. Lyapin, P. C. Klipstein, N. J. Mason, and P. J. Walker

Phys. Rev. Lett. 74, 3285 (1995) - Published 17 April, 1995

Cross-Disciplinary Physics

Reentrant Layer-by-Layer Etching of GaAs(001)

T. Kaneko, P. Šmilauer, B. A. Joyce, T. Kawamura, and D. D. Vvedensky

Phys. Rev. Lett. 74, 3289 (1995) - Published 17 April, 1995

Characterizing Long-Range Correlations in DNA Sequences from Wavelet Analysis

A. Arneodo, E. Bacry, P. V. Graves, and J. F. Muzy

Phys. Rev. Lett. 74, 3293 (1995) - Published 17 April, 1995

Spatially Coherent States in Fractally Coupled Map Lattices

Sridhar Raghavachari and James A. Glazier

Phys. Rev. Lett. 74, 3297 (1995) - Published 17 April, 1995

COMMENTS

Comment on “Pressure-Induced Transformations of the Low-Cristobalite Phase of GaP $O_{4}$ ”

Surinder M. Sharma and S. K. Sikka

Phys. Rev. Lett. 74, 3301 (1995) - Published 17 April, 1995

Comment on “Absence of Localization in a Nonlinear Binary Alloy”

E. Cota, J. V. José, J. Maytorena, and G. Monsivais

Phys. Rev. Lett. 74, 3302 (1995) - Published 17 April, 1995

ERRATA

Lu ${Ni}_{2}$ $B_{2}$ C: A Novel Ni-Based Strong-Coupling Superconductor

Warren E. Pickett and David J. Singh

Phys. Rev. Lett. 74, 3303 (1995) - Published 17 April, 1995

Lattice Contraction Driven Insulator-Metal Transition in the $d = \infty$ Local Approximation

Pinaki Majumdar and H. R. Krishnamurthy

Phys. Rev. Lett. 74, 3303 (1995) - Published 17 April, 1995

Constraints on the Dwarf Star Content of Dark Matter

Stephen P. Boughn and Juan M. Uson

Phys. Rev. Lett. 74, 3304 (1995) - Published 17 April, 1995

Two-Dimensional Crystals and Quasicrystals in Nonlinear Optics [Phys. Rev. Lett. 74, 258 (1995)]

E. Pampaloni, P. L. Ramazza, S. Residori, and F. T. Arecchi

Phys. Rev. Lett. 74, 3305 (1995) - Published 17 April, 1995

Probing Spatial Correlations with Nanoscale Two-Contact Tunneling

Jeff M. Byers and Michael E. Flatté

Phys. Rev. Lett. 74, 3305 (1995) - Published 17 April, 1995

Half-Cycle Microwave Excitation of Rubidium Rydberg Atoms

G. M. Lankhuijzen and L. D. Noordam

Phys. Rev. Lett. 74, 3305 (1995) - Published 17 April, 1995

Absence of $M 3$ Quenching in ${}^{26}{Mg}$

Kamal K. Seth, R. Soundranayagam, A. Saha, C. W. de Jager, H. de Vries, B. A. Brown, and B. H. Wildenthal

Phys. Rev. Lett. 74, 3306 (1995) - Published 17 April, 1995