Volume 78, Issue 8

24 February 1997

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LETTERS

General Physics

Electromagnetic Acceleration of Neutrons and Its Observability

Apoorva G. Wagh and Veer Chand Rakhecha

Phys. Rev. Lett. 78, 1399 (1997) - Published 24 February, 1997

Global Representation of Maslov-Type Semiclassical Wave Function and Its Spectrum in a Small Number of Classical Trajectories

Kazuo Takatsuka and Atsuko Inoue

Phys. Rev. Lett. 78, 1404 (1997) - Published 24 February, 1997

First-Order Transition in the Breakdown of Disordered Media

Stefano Zapperi, Purusattam Ray, H. Eugene Stanley, and Alessandro Vespignani

Phys. Rev. Lett. 78, 1408 (1997) - Published 24 February, 1997

Elementary Particles and Fields

Modular Invariance and Structure of the Exact Wilsonian Action of $N = 2$ Supersymmetric Yang-Mills Theory

Marco Matone

Phys. Rev. Lett. 78, 1412 (1997) - Published 24 February, 1997

Atomic, Molecular, and Optical Physics

Photoionization of Lithium in the Inelastic Scattering Region

Kwong T. Chung

Phys. Rev. Lett. 78, 1416 (1997) - Published 24 February, 1997

Short-Distance Atomic Beam Deceleration with a Stimulated Light Force

J. Söding, R. Grimm, Yu. B. Ovchinnikov, Ph. Bouyer, and Ch. Salomon

Phys. Rev. Lett. 78, 1420 (1997) - Published 24 February, 1997

Electronic Entropy, Shell Structure, and Size-Evolutionary Patterns of Metal Clusters

Constantine Yannouleas and Uzi Landman

Phys. Rev. Lett. 78, 1424 (1997) - Published 24 February, 1997

Core Polarization in the Optical Response of Metal Clusters: Generalized Time-Dependent Density-Functional Theory

Llorenç Serra and Angel Rubio

Phys. Rev. Lett. 78, 1428 (1997) - Published 24 February, 1997

Intrinsically Irreversible Multiphoton Laser Gain Mechanisms

P. B. Sellin, C. C. Yu, J. R. Bochinski, and T. W. Mossberg

Phys. Rev. Lett. 78, 1432 (1997) - Published 24 February, 1997

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Frequency Analysis of 3D Electronic $1 / r$ Dynamics: Tuning between Order and Chaos

Jan von Milczewski, David Farrelly, and T. Uzer

Phys. Rev. Lett. 78, 1436 (1997) - Published 24 February, 1997

Quantum Localization in Rough Billiards

Klaus M. Frahm and Dima L. Shepelyansky

Phys. Rev. Lett. 78, 1440 (1997) - Published 24 February, 1997

Fragment Mass Distribution of Platelike Objects

Toshihiko Kadono

Phys. Rev. Lett. 78, 1444 (1997) - Published 24 February, 1997

Observation of Superlubricity by Scanning Tunneling Microscopy

Motohisa Hirano, Kazumasa Shinjo, Reizo Kaneko, and Yoshitada Murata

Phys. Rev. Lett. 78, 1448 (1997) - Published 24 February, 1997

Intermittency of Burgers' Turbulence

E. Balkovsky, G. Falkovich, I. Kolokolov, and V. Lebedev

Phys. Rev. Lett. 78, 1452 (1997) - Published 24 February, 1997

Helicity Causes Chaos in a Shell Model of Turbulence

Mogens V. Melander

Phys. Rev. Lett. 78, 1456 (1997) - Published 24 February, 1997

Solitary Vortex Pairs in Viscoelastic Couette Flow

Alexander Groisman and Victor Steinberg

Phys. Rev. Lett. 78, 1460 (1997) - Published 24 February, 1997

Plasma and Beam Physics

Exact Algebraic Tails of Static Correlations in Quantum Plasmas at Low Density

F. Cornu

Phys. Rev. Lett. 78, 1464 (1997) - Published 24 February, 1997

Debye Shielding and Particle Correlations in Strongly Coupled Dusty Plasmas

Niels Otani and A. Bhattacharjee

Phys. Rev. Lett. 78, 1468 (1997) - Published 24 February, 1997

Dynamics of Transition to Enhanced Confinement in Reversed Magnetic Shear Discharges

P. H. Diamond, V. B. Lebedev, D. E. Newman, B. A. Carreras, T. S. Hahm, W. M. Tang, G. Rewoldt, and K. Avinash

Phys. Rev. Lett. 78, 1472 (1997) - Published 24 February, 1997

Condensed Matter: Structure, Etc.

Microscopic Origin of Cholesteric Pitch

A. B. Harris, Randall D. Kamien, and T. C. Lubensky

Phys. Rev. Lett. 78, 1476 (1997) - Published 24 February, 1997

Infinite-Cluster Geometry in Central-Force Networks

C. Moukarzel, P. M. Duxbury, and P. L. Leath

Phys. Rev. Lett. 78, 1480 (1997) - Published 24 February, 1997

Topology of Amorphous Tetrahedral Semiconductors on Intermediate Length Scales

Normand Mousseau and Laurent J. Lewis

Phys. Rev. Lett. 78, 1484 (1997) - Published 24 February, 1997

Coexistence Curve Singularities at Critical End Points

Nigel B. Wilding

Phys. Rev. Lett. 78, 1488 (1997) - Published 24 February, 1997

Self-Organized Criticality Induced by Diversity

Álvaro Corral, Conrad J. Pérez, and Albert Díaz-Guilera

Phys. Rev. Lett. 78, 1492 (1997) - Published 24 February, 1997

Structure of a Lyotropic Lamellar Phase under Shear

Philippe Sierro and Didier Roux

Phys. Rev. Lett. 78, 1496 (1997) - Published 24 February, 1997

Anomalous Behavior of Ru for Catalytic Oxidation: A Theoretical Study of the Catalytic Reaction $CO + \frac{1}{2} O_{2} {\to CO}_{2}$

C. Stampfl and M. Scheffler

Phys. Rev. Lett. 78, 1500 (1997) - Published 24 February, 1997

Orientational Ordering on a Corrugated Substrate: Novel Pinwheel Structure for $N_{2}$ Adsorbed on Cu(110)

P. Zeppenfeld, J. Goerge, V. Diercks, R. Halmer, R. David, G. Comsa, A. Marmier, C. Ramseyer, and C. Girardet

Phys. Rev. Lett. 78, 1504 (1997) - Published 24 February, 1997

Defect-Mediated Diffraction Resonances in Surface Scattering

A. Glebov, J. R. Manson, J. G. Skofronick, and J. P. Toennies

Phys. Rev. Lett. 78, 1508 (1997) - Published 24 February, 1997

Controlled Atom by Atom Restructuring of a Metal Surface with the Scanning Tunneling Microscope

Gerhard Meyer, Ludwig Bartels, Sven Zöphel, Erdmuth Henze, and Karl-Heinz Rieder

Phys. Rev. Lett. 78, 1512 (1997) - Published 24 February, 1997

Mobility and Trapping of Molecules During Oxygen Adsorption on Cu(110)

B. G. Briner, M. Doering, H.-P. Rust, and A. M. Bradshaw

Phys. Rev. Lett. 78, 1516 (1997) - Published 24 February, 1997

Wetting Hysteresis at the Molecular Scale

Wei Jin, Joel Koplik, and Jayanth R. Banavar

Phys. Rev. Lett. 78, 1520 (1997) - Published 24 February, 1997

Interface and Surface Effects on the Glass Transition in Thin Polystyrene Films

G. B. DeMaggio, W. E. Frieze, D. W. Gidley, Ming Zhu, H. A. Hristov, and A. F. Yee

Phys. Rev. Lett. 78, 1524 (1997) - Published 24 February, 1997

Condensed Matter: Electronic Properties, Etc.

Compensation of Dynamical Quasiparticle and Vertex Corrections in Optical Spectra

F. Bechstedt, K. Tenelsen, B. Adolph, and R. Del Sole

Phys. Rev. Lett. 78, 1528 (1997) - Published 24 February, 1997

Observation of Single Electron-Hole Recombination and Photon-Pumped Current in an Asymmetric Si Single-Electron Transistor

Akira Fujiwara, Yasuo Takahashi, and Katsumi Murase

Phys. Rev. Lett. 78, 1532 (1997) - Published 24 February, 1997

Photon Sidebands of the Ground State and First Excited State of a Quantum Dot

T. H. Oosterkamp, L. P. Kouwenhoven, A. E. A. Koolen, N. C. van der Vaart, and C. J. P. M. Harmans

Phys. Rev. Lett. 78, 1536 (1997) - Published 24 February, 1997

Observation of the Local Structure of Landau Bands in a Disordered Conductor

T. Schmidt, R. J. Haug, Vladimir I. Fal'ko, K. v. Klitzing, A. Förster, and H. Lüth

Phys. Rev. Lett. 78, 1540 (1997) - Published 24 February, 1997

Spectroscopy of the Single-Particle States of a Quantum-Dot Molecule

T. Schmidt, R. J. Haug, K. v. Klitzing, A. Förster, and H. Lüth

Phys. Rev. Lett. 78, 1544 (1997) - Published 24 February, 1997

Scaling of the Quasiparticle Spectrum for $d$ -wave Superconductors

Steven H. Simon and Patrick A. Lee

Phys. Rev. Lett. 78, 1548 (1997) - Published 24 February, 1997

Quantum Phase Slips and Transport in Ultrathin Superconducting Wires

Andrei D. Zaikin, Dmitrii S. Golubev, Anne van Otterlo, and Gergely T. Zimányi

Phys. Rev. Lett. 78, 1552 (1997) - Published 24 February, 1997

Equilibrium Phase with Broken Time-Reversal Symmetry in Ceramic High- $T_{c}$ Superconductors

Hikaru Kawamura and Mai Suan Li

Phys. Rev. Lett. 78, 1556 (1997) - Published 24 February, 1997

Double Gap and Solitonic Excitations in the Spin-Peierls Chain ${CuGeO}_{3}$

M. Aïn, J. E. Lorenzo, L. P. Regnault, G. Dhalenne, A. Revcolevschi, B. Hennion, and Th. Jolicoeur

Phys. Rev. Lett. 78, 1560 (1997) - Published 24 February, 1997

Renormalization-Group Calculation of Local Magnetizations and Correlations: Random-Bond, Random-Field, and Spin-Glass Systems

Dicle Yeşilleten and A. Nihat Berker

Phys. Rev. Lett. 78, 1564 (1997) - Published 24 February, 1997

Sign Reversal of the Mn-O Bond Compressibility in L $a_{1.2}$ S $r_{1.8}$ M $n_{2}$ $O_{7}$ below $T_{C}$ : Exchange Striction in the Ferromagnetic State

D. N. Argyriou, J. F. Mitchell, J. B. Goodenough, O. Chmaissem, S. Short, and J. D. Jorgensen

Phys. Rev. Lett. 78, 1568 (1997) - Published 24 February, 1997

Sum Rule for the Optical Hall Angle

H. D. Drew and P. Coleman

Phys. Rev. Lett. 78, 1572 (1997) - Published 24 February, 1997

Cavity-Polariton Mediated Resonant Raman Scattering

A. Fainstein, B. Jusserand, and V. Thierry-Mieg

Phys. Rev. Lett. 78, 1576 (1997) - Published 24 February, 1997

Polarization Anisotropy and Valence Band Mixing in Semiconductor Quantum Wires

F. Vouilloz, D. Y. Oberli, M.-A. Dupertuis, A. Gustafsson, F. Reinhardt, and E. Kapon

Phys. Rev. Lett. 78, 1580 (1997) - Published 24 February, 1997

Cross-Disciplinary Physics

Athermal Annealing of Silicon

J. Grun, C. K. Manka, C. A. Hoffman, J. R. Meyer, O. J. Glembocki, R. Kaplan, S. B. Qadri, E. F. Skelton, D. Donnelly, and B. Covington

Phys. Rev. Lett. 78, 1584 (1997) - Published 24 February, 1997

First-Passage Exponent in Two-Dimensional Soap Froth

W. Y. Tam, R. Zeitak, K. Y. Szeto, and J. Stavans

Phys. Rev. Lett. 78, 1588 (1997) - Published 24 February, 1997

Short Time Behavior in de Gennes' Reptation Model

Ute Ebert, Artur Baumgärtner, and Lothar Schäfer

Phys. Rev. Lett. 78, 1592 (1997) - Published 24 February, 1997

Clustering of Granular Assemblies with Temperature Dependent Restitution under Keplerian Differential Rotation

Frank Spahn, Udo Schwarz, and Jürgen Kurths

Phys. Rev. Lett. 78, 1596 (1997) - Published 24 February, 1997

Quantum Analog of the MacWilliams Identities for Classical Coding Theory

Peter Shor and Raymond Laflamme

Phys. Rev. Lett. 78, 1600 (1997) - Published 24 February, 1997

COMMENTS

Comment on “Confirmation of the Sigma Meson”

Masayasu Harada, Francesco Sannino, and Joseph Schechter

Phys. Rev. Lett. 78, 1603 (1997) - Published 24 February, 1997

Törnqvist and Roos reply:

Nils Törnqvist and Matts Roos

Phys. Rev. Lett. 78, 1604 (1997) - Published 24 February, 1997

Fluctuation-Induced Transport in a Periodic Potential: Noise versus Chaos

Dante R. Chialvo, M. I. Dykman, and Mark M. Millonas

Phys. Rev. Lett. 78, 1605 (1997) - Published 24 February, 1997