Volume 76, Issue 18

29 April 1996

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LETTERS

General Physics

From Soliton Equations to Integrable Cellular Automata through a Limiting Procedure

T. Tokihiro, D. Takahashi, J. Matsukidaira, and J. Satsuma

Phys. Rev. Lett. 76, 3247 (1996) - Published 29 April, 1996

Superparamagnetic Clustering of Data

Marcelo Blatt, Shai Wiseman, and Eytan Domany

Phys. Rev. Lett. 76, 3251 (1996) - Published 29 April, 1996

Gravitation and Astrophysics

Absence of Open Strings in a Lattice-Free Simulation of Cosmic String Formation

Julian Borrill

Phys. Rev. Lett. 76, 3255 (1996) - Published 29 April, 1996

Elementary Particles and Fields

Extracting $R_{b}$ and $R_{c}$ without Flavor Tagging

Jonathan L. Feng, Hitoshi Murayama, and James D. Wells

Phys. Rev. Lett. 76, 3259 (1996) - Published 29 April, 1996

New Type of Beam Size Effect in the $W$ Boson Production at $μ^{+} μ^{-}$ Colliders

K. Melnikov and V. G. Serbo

Phys. Rev. Lett. 76, 3263 (1996) - Published 29 April, 1996

Electroweak Corrections to the Muon Anomalous Magnetic Moment

Andrzej Czarnecki, Bernd Krause, and William J. Marciano

Phys. Rev. Lett. 76, 3267 (1996) - Published 29 April, 1996

Search for Right-Handed $W$ Bosons and Heavy $W^{'}$ in $p \bar{p}$ Collisions at $\sqrt{s} = 1.8 TeV$

S. Abachi et al. (D0 Collaboration)

Phys. Rev. Lett. 76, 3271 (1996) - Published 29 April, 1996

Nuclear Physics

Search for the Weak Decay of an $H$ Dibaryon

J. Belz et al.

Phys. Rev. Lett. 76, 3277 (1996) - Published 29 April, 1996

Observation of an Intense Quasicontinuum of Superdeformed Rotational Transitions in ${}^{143}{Eu}$

S. Leoni, B. Herskind, T. Døssing, A. Ataç, and M. Piiparinen

Phys. Rev. Lett. 76, 3281 (1996) - Published 29 April, 1996

Atomic, Molecular, and Optical Physics

Reversal of Radiation Reaction Force and Instability of the Ground State of an Atom Located above the Surface of an Active Medium

V. V. Kocharovsky, Vl. V. Kocharovsky, and A. A. Belyanin

Phys. Rev. Lett. 76, 3285 (1996) - Published 29 April, 1996

Collision Energy Dependence of Molecular Fusion and Fragmentation in $C_{60}^{+}$ + $C_{60}$ Collisions

Frank Rohmund, Eleanor E. B. Campbell, Olaf Knospe, Gotthard Seifert, and Rüdiger Schmidt

Phys. Rev. Lett. 76, 3289 (1996) - Published 29 April, 1996

Observation of Two-Photon Decay of Rydberg Atoms in a Driven Cavity

W. Lange, G. S. Agarwal, and H. Walther

Phys. Rev. Lett. 76, 3293 (1996) - Published 29 April, 1996

Quantum Dynamical Tunneling Suppression by a Laser Field

S. Ya. Kilin, P. R. Berman, and T. M. Maevskaya

Phys. Rev. Lett. 76, 3297 (1996) - Published 29 April, 1996

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Universal Diffusion near the Golden Chaos Border

S. Ruffo and D. L. Shepelyansky

Phys. Rev. Lett. 76, 3300 (1996) - Published 29 April, 1996

Can a Single-Pulse Standing Wave Induce Chaos in Atomic Motion?

J. C. Robinson, C. F. Bharucha, K. W. Madison, F. L. Moore, Bala Sundaram, S. R. Wilkinson, and M. G. Raizen

Phys. Rev. Lett. 76, 3304 (1996) - Published 29 April, 1996

Period Doubling and Strange Attractors in Quantum Wells

Bryan Galdrikian and Björn Birnir

Phys. Rev. Lett. 76, 3308 (1996) - Published 29 April, 1996

Nonlinear Control of Dynamical Systems from Time Series

Valery Petrov and Kenneth Showalter

Phys. Rev. Lett. 76, 3312 (1996) - Published 29 April, 1996

Control of Patterns in Spatiotemporal Chaos in Optics

Weiping Lu, Dejin Yu, and Robert G. Harrison

Phys. Rev. Lett. 76, 3316 (1996) - Published 29 April, 1996

Turbulence of Capillary Waves

A. N. Pushkarev and V. E. Zakharov

Phys. Rev. Lett. 76, 3320 (1996) - Published 29 April, 1996

Plasma and Beam Physics

One-Dimensional Modulational Instability in a Crossed-Field Gap

Peggy J. Christenson and Y. Y. Lau

Phys. Rev. Lett. 76, 3324 (1996) - Published 29 April, 1996

Ion Acceleration and Direct Ion Heating in Three-Component Magnetic Reconnection

Y. Ono, M. Yamada, T. Akao, T. Tajima, and R. Matsumoto

Phys. Rev. Lett. 76, 3328 (1996) - Published 29 April, 1996

Anomalous Absorption and Scattering of Short-Pulse High-Intensity Lasers in Underdense Plasmas

K-C. Tzeng, W. B. Mori, and C. D. Decker

Phys. Rev. Lett. 76, 3332 (1996) - Published 29 April, 1996

Phase-Matched High-Order Difference-Frequency Mixing in Plasmas

S. Meyer, H. Eichmann, T. Menzel, S. Nolte, B. Wellegehausen, B. N. Chichkov, and C. Momma

Phys. Rev. Lett. 76, 3336 (1996) - Published 29 April, 1996

Covariant Relativistic Hydrodynamics of Multispecies Plasma and Generalized Ohm's Law

Michael Gedalin

Phys. Rev. Lett. 76, 3340 (1996) - Published 29 April, 1996

Condensed Matter: Structure, Etc.

Mechanism for Disorder on GaAs(001)- $(2 \times 4)$ Surfaces

A. R. Avery, C. M. Goringe, D. M. Holmes, J. L. Sudijono, and T. S. Jones

Phys. Rev. Lett. 76, 3344 (1996) - Published 29 April, 1996

Theory of Chain Association versus Liquid Condensation

René van Roij

Phys. Rev. Lett. 76, 3348 (1996) - Published 29 April, 1996

Scale Covariance of the Wrinkling Law of Turbulent Propagating Interfaces

A. Pocheau and D. Queiros-Condé

Phys. Rev. Lett. 76, 3352 (1996) - Published 29 April, 1996

Observation of Large Momentum Phononlike Modes in Glasses

C. Masciovecchio, G. Ruocco, F. Sette, M. Krisch, R. Verbeni, U. Bergmann, and M. Soltwisch

Phys. Rev. Lett. 76, 3356 (1996) - Published 29 April, 1996

Mechanism for Global Optimization of River Networks from Local Erosion Rules

Kevin Sinclair and Robin C. Ball

Phys. Rev. Lett. 76, 3360 (1996) - Published 29 April, 1996

Thermodynamics of Fractal Networks

Andrea Rinaldo, Amos Maritan, Francesca Colaiori, Alessandro Flammini, Riccardo Rigon, Ignacio Rodriguez-Iturbe, and Jayanth R. Banavar

Phys. Rev. Lett. 76, 3364 (1996) - Published 29 April, 1996

Critical Behavior of the Sandpile Model as a Self-Organized Branching Process

E. V. Ivashkevich

Phys. Rev. Lett. 76, 3368 (1996) - Published 29 April, 1996

Diffusion of Sb in Strained and Relaxed Si and SiGe

Per Kringhøj, Arne Nylandsted Larsen, and Sergey Yu. Shirayev

Phys. Rev. Lett. 76, 3372 (1996) - Published 29 April, 1996

Time of Flight Spectra and Chaotic Dynamics in Predesorption of Physisorbed Molecules

G. P. Brivio, M. L. Rossi, M. Torri, and Z. W. Gortel

Phys. Rev. Lett. 76, 3376 (1996) - Published 29 April, 1996

Mechanism of Poisoning the Catalytic Activity of Pd(100) by a Sulfur Adlayer

S. Wilke and M. Scheffler

Phys. Rev. Lett. 76, 3380 (1996) - Published 29 April, 1996

Condensed Matter: Electronic Properties, Etc.

Linear and Nonlinear Optical Characteristics of the Falicov-Kimball Model

T. Portengen, Th. Östreich, and L. J. Sham

Phys. Rev. Lett. 76, 3384 (1996) - Published 29 April, 1996

Time Correlations in 1D Quantum Impurity Problems

F. Lesage, H. Saleur, and S. Skorik

Phys. Rev. Lett. 76, 3388 (1996) - Published 29 April, 1996

Spin-Glass Insulator State in (Tb-La $)_{2 / 3}$ C $a_{1 / 3}$ Mn $O_{3}$ Perovskite

J. M. De Teresa, M. R. Ibarra, J. García, J. Blasco, C. Ritter, P. A. Algarabel, C. Marquina, and A. del Moral

Phys. Rev. Lett. 76, 3392 (1996) - Published 29 April, 1996

"Fermi Liquid" Shell Model Approach to Composite Fermion Excitation Spectra in Fractional Quantum Hall States

P. Sitko, S. N. Yi, K. S. Yi, and J. J. Quinn

Phys. Rev. Lett. 76, 3396 (1996) - Published 29 April, 1996

Nonuniversal Metallic Behavior of Superconducting Wires

Scot R. Renn and Ji-Min Duan

Phys. Rev. Lett. 76, 3400 (1996) - Published 29 April, 1996

Generation of a Population Inversion between Quantum States of a Macroscopic Variable

Siyuan Han, R. Rouse, and J. E. Lukens

Phys. Rev. Lett. 76, 3404 (1996) - Published 29 April, 1996

Moving Glass Phase of Driven Lattices

T. Giamarchi and P. Le Doussal

Phys. Rev. Lett. 76, 3408 (1996) - Published 29 April, 1996

Determination of the Local Lattice Distortions in the Cu $O_{2}$ Plane of L $a_{1.85}$ S $r_{0.15}$ Cu $O_{4}$

A. Bianconi, N. L. Saini, A. Lanzara, M. Missori, T. Rossetti, H. Oyanagi, H. Yamaguchi, K. Oka, and T. Ito

Phys. Rev. Lett. 76, 3412 (1996) - Published 29 April, 1996

Continuous 3D Freezing Transition in Layered Superconductors

Leon Balents and Leo Radzihovsky

Phys. Rev. Lett. 76, 3416 (1996) - Published 29 April, 1996

Random Matrix Theory of a Chaotic Andreev Quantum Dot

Alexander Altland and Martin R. Zirnbauer

Phys. Rev. Lett. 76, 3420 (1996) - Published 29 April, 1996

Oscillatory Magnetic Anisotropy and Quantum Well States in Cu $/$ Co $/$ Cu(100) Films

W. Weber, A. Bischof, R. Allenspach, Ch. Würsch, C. H. Back, and D. Pescia

Phys. Rev. Lett. 76, 3424 (1996) - Published 29 April, 1996

Periodicity of the Spin Structure Observed in the Optical Response of CeBi Single Crystals

R. Pittini, J. Schoenes, F. Hulliger, and P. Wachter

Phys. Rev. Lett. 76, 3428 (1996) - Published 29 April, 1996

Sub-Poissonian Photon-State Generation by Stark-Effect Blockade of Emissions in a Semiconductor Diode Driven by a Constant-Voltage Source

M. Yamanishi, K. Watanabe, N. Jikutani, and M. Ueda

Phys. Rev. Lett. 76, 3432 (1996) - Published 29 April, 1996

Cross-Disciplinary Physics

Regular and Chaotic Transport in Asymmetric Periodic Potentials: Inertia Ratchets

P. Jung, J. G. Kissner, and P. Hänggi

Phys. Rev. Lett. 76, 3436 (1996) - Published 29 April, 1996

Diffusion-Controlled Reactions at Polymer-Polymer Interfaces

Glenn H. Fredrickson

Phys. Rev. Lett. 76, 3440 (1996) - Published 29 April, 1996

Polymer Reaction Kinetics at Interfaces

Ben O'Shaughnessy and Uday Sawhney

Phys. Rev. Lett. 76, 3444 (1996) - Published 29 April, 1996

Model for the Elasticity of Compressed Emulsions

Martin-D. Lacasse, Gary S. Grest, Dov Levine, T. G. Mason, and D. A. Weitz

Phys. Rev. Lett. 76, 3448 (1996) - Published 29 April, 1996

Limitation on the Amount of Accessible Information in a Quantum Channel

Benjamin Schumacher, Michael Westmoreland, and William K. Wootters

Phys. Rev. Lett. 76, 3452 (1996) - Published 29 April, 1996

Rifts in Spreading Wax Layers

Rolf Ragnarsson, J. Lewis Ford, Christian D. Santangelo, and Eberhard Bodenschatz

Phys. Rev. Lett. 76, 3456 (1996) - Published 29 April, 1996

Quasirandom Spanning Tree Model for the Early River Network

S. S. Manna and B. Subramanian

Phys. Rev. Lett. 76, 3460 (1996) - Published 29 April, 1996

COMMENTS

Comment on "Microscopic Origin of Magnetic Anisotropy in Au/Co/Au Probed with X-Ray Magnetic Circular Dichroism"

H. A. Dürr, G. van der Laan, and B. T. Thole

Phys. Rev. Lett. 76, 3464 (1996) - Published 29 April, 1996

ERRATA

Direct Imaging of Spatially Varying Potential and Charge across Internal Interfaces in Solids

V. Ravikumar, R. P. Rodrigues, and Vinayak P. Dravid

Phys. Rev. Lett. 76, 3465 (1996) - Published 29 April, 1996

COMMENTS

Severin, Brooks, and Johansson Reply:

L. Severin, M. S. S. Brooks, and B. Johansson

Phys. Rev. Lett. 76, 3466 (1996) - Published 29 April, 1996