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Physical Review Letters

Volume 83, Issue 5

2 August 1999

Browse Issues:

HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

Liquid-Crystal Photonic-Band-Gap Materials: The Tunable Electromagnetic Vacuum

Kurt Busch and Sajeev John

Phys. Rev. Lett. 83, 967 (1999) - Published 2 August, 1999

LETTERS

General Physics

Lifetime of Wannier-Stark States

M. Glück, A. R. Kolovsky, and H. J. Korsch

Phys. Rev. Lett. 83, 891 (1999) - Published 2 August, 1999

Coherent Dynamics of Vortex Formation in Trapped Bose-Einstein Condensates

B. M. Caradoc-Davies, R. J. Ballagh, and K. Burnett

Phys. Rev. Lett. 83, 895 (1999) - Published 2 August, 1999

Stochastic Phase Switching of a Parametrically Driven Electron in a Penning Trap

L. J. Lapidus, D. Enzer, and G. Gabrielse

Phys. Rev. Lett. 83, 899 (1999) - Published 2 August, 1999

Generalized Efficiency and its Application to Microscopic Engines

Imre Derényi, Martin Bier, and R. Dean Astumian

Phys. Rev. Lett. 83, 903 (1999) - Published 2 August, 1999

Elementary Particles and Fields

Can $ε^{'} / ε$ be Supersymmetric?

Antonio Masiero and Hitoshi Murayama

Phys. Rev. Lett. 83, 907 (1999) - Published 2 August, 1999

Violation of Time Reversal Invariance in $K^{0}$ Decays

L. Wolfenstein

Phys. Rev. Lett. 83, 911 (1999) - Published 2 August, 1999

Spin-Parity Analysis of the Centrally Produced $K_{S}^{0} K^{\pm} π^{\mp}$ System at $800 GeV / c$

M. Sosa, M. C. Berisso, D. C. Christian, J. Félix, A. Gara, E. Gottschalk, G. Gutiérrez, E. P. Hartouni, B. C. Knapp, M. N. Kreisler, S. Lee, K. Markianos, G. Moreno, M. A. Reyes, M. Wang, A. Wehmann, and D. Wesson

Phys. Rev. Lett. 83, 913 (1999) - Published 2 August, 1999

Measurement of the Decay $K_{L} \to π^{0} γ γ$

A. Alavi-Harati et al. (KTeV Collaboration)

Phys. Rev. Lett. 83, 917 (1999) - Published 2 August, 1999

Measurement of the Branching Ratio of $π^{0} \to e^{+} e^{-}$ Using $K_{L} \to 3 π^{0}$ Decays in Flight

A. Alavi-Harati et al.

Phys. Rev. Lett. 83, 922 (1999) - Published 2 August, 1999

Nuclear Physics

Freeze-Out Parameters in Central $158 A$ GeV ${}^{208}P b + P b$ Collisions

M. M. Aggarwal et al. (WA98 Collaboration)

Phys. Rev. Lett. 83, 926 (1999) - Published 2 August, 1999

Wigner Symmetry in the Limit of Large Scattering Lengths

Thomas Mehen, Iain W. Stewart, and Mark B. Wise

Phys. Rev. Lett. 83, 931 (1999) - Published 2 August, 1999

Hyperfine Anomaly Measurements in Francium Isotopes and the Radial Distribution of Neutrons

J. S. Grossman, L. A. Orozco, M. R. Pearson, J. E. Simsarian, G. D. Sprouse, and W. Z. Zhao

Phys. Rev. Lett. 83, 935 (1999) - Published 2 August, 1999

Atomic, Molecular, and Optical Physics

Enhanced Nondipole Effects in Low Energy Photoionization

Valery K. Dolmatov and Steven T. Manson

Phys. Rev. Lett. 83, 939 (1999) - Published 2 August, 1999

Suppression of Atomic Radiative Collisions by Tuning the Ground State Scattering Length

Vladan Vuletić, Cheng Chin, Andrew J. Kerman, and Steven Chu

Phys. Rev. Lett. 83, 943 (1999) - Published 2 August, 1999

Influence of the Radiative Decay on the Cross Section for Double Excitations in Helium

Jan-Erik Rubensson, Conny Såthe, Stefan Cramm, Barbara Kessler, Stefano Stranges, Robert Richter, Michele Alagia, and Marcello Coreno

Phys. Rev. Lett. 83, 947 (1999) - Published 2 August, 1999

Resonant Ion Pair Formation in Electron Collisions with Ground State Molecular Ions

W. Zong, G. H. Dunn, N. Djurić, M. Larsson, C. H. Greene, A. Al-Khalili, A. Neau, A. M. Derkatch, L. Vikor, W. Shi, A. Le Padellec, S. Rosén, H. Danared, and M. af Ugglas

Phys. Rev. Lett. 83, 951 (1999) - Published 2 August, 1999

Engineering the Indistinguishability and Entanglement of Two Photons

D. Branning, W. P. Grice, R. Erdmann, and I. A. Walmsley

Phys. Rev. Lett. 83, 955 (1999) - Published 2 August, 1999

Observation of Four-Photon Interference with a Beam Splitter by Pulsed Parametric Down-Conversion

Z. Y. Ou, J.-K. Rhee, and L. J. Wang

Phys. Rev. Lett. 83, 959 (1999) - Published 2 August, 1999

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, etc.

Bloch Oscillations in an Array of Curved Optical Waveguides

G. Lenz, I. Talanina, and C. Martijn de Sterke

Phys. Rev. Lett. 83, 963 (1999) - Published 2 August, 1999

FEATURED IN PHYSICS

Liquid-Crystal Photonic-Band-Gap Materials: The Tunable Electromagnetic Vacuum

Kurt Busch and Sajeev John

Phys. Rev. Lett. 83, 967 (1999) - Published 2 August, 1999

Plasma and Beam Physics

Charge Fluctuation Instability of the Dust Lattice Wave

G. Morfill, A. V. Ivlev, and J. R. Jokipii

Phys. Rev. Lett. 83, 971 (1999) - Published 2 August, 1999

Condensed Matter: Structure, etc.

Isotope Induced Proton Ordering in Partially Deuterated Aspirin

P. Schiebel, R. J. Papoular, W. Paulus, H. Zimmermann, A. Detken, U. Haeberlen, and W. Prandl

Phys. Rev. Lett. 83, 975 (1999) - Published 2 August, 1999

Pressure-Induced Isostructural Phase Transition in Al-Rich NiAl Alloys

Ali Alavi, Alexander Y. Lozovoi, and Michael W. Finnis

Phys. Rev. Lett. 83, 979 (1999) - Published 2 August, 1999

Dimensionality Dependence of the Conductivity Dispersion in Ionic Materials

D. L. Sidebottom

Phys. Rev. Lett. 83, 983 (1999) - Published 2 August, 1999

An Atom in the Bloch State

R. Kadono, W. Higemoto, K. Nagamine, and F. L. Pratt

Phys. Rev. Lett. 83, 987 (1999) - Published 2 August, 1999

Physisorbed Rare-Gas Monolayers: Evidence for Domain-Wall Tilting

B. Grimm, H. Hövel, M. Pollmann, and B. Reihl

Phys. Rev. Lett. 83, 991 (1999) - Published 2 August, 1999

Kinetic Growth Instabilities on Vicinal Si(001) Surfaces

C. Schelling, G. Springholz, and F. Schäffler

Phys. Rev. Lett. 83, 995 (1999) - Published 2 August, 1999

Two-Dimensional Phase Transition Mediated by Extrinsic Defects

A. V. Melechko, J. Braun, H. H. Weitering, and E. W. Plummer

Phys. Rev. Lett. 83, 999 (1999) - Published 2 August, 1999

Condensed Matter: Electronic Properties, etc.

Strongly Correlated Electrons on a Silicon Surface: Theory of a Mott Insulator

C. Stephen Hellberg and Steven C. Erwin

Phys. Rev. Lett. 83, 1003 (1999) - Published 2 August, 1999

Collective Order Parameter Modes and Spin Fluctuations for Spin-Triplet Superconducting State in ${Sr}_{2} {RuO}_{4}$

L. Tewordt

Phys. Rev. Lett. 83, 1007 (1999) - Published 2 August, 1999

Interlayer Phase Coherence in the Vortex Matter Phases of ${Bi}_{2} {Sr}_{2} {CaCu}_{2} O_{8 + y}$

T. Shibauchi, T. Nakano, M. Sato, T. Kisu, N. Kameda, N. Okuda, S. Ooi, and T. Tamegai

Phys. Rev. Lett. 83, 1010 (1999) - Published 2 August, 1999

Scanning Tunneling Spectroscopy of ${NbSe}_{2}$ -Au Proximity Junctions

A. D. Truscott, R. C. Dynes, and L. F. Schneemeyer

Phys. Rev. Lett. 83, 1014 (1999) - Published 2 August, 1999

Predominantly Superconducting Origin of Large Energy Gaps in Underdoped ${Bi}_{2} {Sr}_{2} {CaCu}_{2} O_{8 + δ}$ from Tunneling Spectroscopy

N. Miyakawa, J. F. Zasadzinski, L. Ozyuzer, P. Guptasarma, D. G. Hinks, C. Kendziora, and K. E. Gray

Phys. Rev. Lett. 83, 1018 (1999) - Published 2 August, 1999

Artificially Induced Reconfiguration of the Vortex Lattice by Arrays of Magnetic Dots

José I. Martín, M. Vélez, A. Hoffmann, Ivan K. Schuller, and J. L. Vicent

Phys. Rev. Lett. 83, 1022 (1999) - Published 2 August, 1999

Role of Twin Boundaries on the Vortex Dynamics in ${YBa}_{2} {Cu}_{3} O_{7}$

H. Pastoriza, S. Candia, and G. Nieva

Phys. Rev. Lett. 83, 1026 (1999) - Published 2 August, 1999

Renormalization for Discrete Optimization

J. Houdayer and O. C. Martin

Phys. Rev. Lett. 83, 1030 (1999) - Published 2 August, 1999

Self-Organized Criticality in the Hysteresis of the Sherrington-Kirkpatrick Model

Ferenc Pázmándi, Gergely Zaránd, and Gergely T. Zimányi

Phys. Rev. Lett. 83, 1034 (1999) - Published 2 August, 1999

Lorentz Microscopy of Magnetic Granular Films

Takayoshi Tanji, Masahiro Maeda, Nobuo Ishigure, Naoto Aoyama, Kazuo Yamamoto, and Tsukasa Hirayama

Phys. Rev. Lett. 83, 1038 (1999) - Published 2 August, 1999

Single-Domain Circular Nanomagnets

R. P. Cowburn, D. K. Koltsov, A. O. Adeyeye, M. E. Welland, and D. M. Tricker

Phys. Rev. Lett. 83, 1042 (1999) - Published 2 August, 1999

Interdisciplinary Physics: Biological Physics, Quantum Information, etc.

Entanglement of Pure States for a Single Copy

Guifré Vidal

Phys. Rev. Lett. 83, 1046 (1999) - Published 2 August, 1999

Approximate Quantum Counting on an NMR Ensemble Quantum Computer

J. A. Jones and M. Mosca

Phys. Rev. Lett. 83, 1050 (1999) - Published 2 August, 1999

Separability of Very Noisy Mixed States and Implications for NMR Quantum Computing

S. L. Braunstein, C. M. Caves, R. Jozsa, N. Linden, S. Popescu, and R. Schack

Phys. Rev. Lett. 83, 1054 (1999) - Published 2 August, 1999

Non-Gaussian Dynamics in Quasi-2D Noncolloidal Suspensions

F. Rouyer, J. Martin, and D. Salin

Phys. Rev. Lett. 83, 1058 (1999) - Published 2 August, 1999

Oscillator Neural Network Retrieving Sparsely Coded Phase Patterns

Toshio Aoyagi and Masaki Nomura

Phys. Rev. Lett. 83, 1062 (1999) - Published 2 August, 1999

Structural Transitions of a Twisted and Stretched DNA Molecule

J. F. Léger, G. Romano, A. Sarkar, J. Robert, L. Bourdieu, D. Chatenay, and J. F. Marko

Phys. Rev. Lett. 83, 1066 (1999) - Published 2 August, 1999

COMMENTS

Comment on “What is a Gauge Transformation in Quantum Mechanics?”

N. P. Landsman

Phys. Rev. Lett. 83, 1070 (1999) - Published 2 August, 1999

Rovelli Replies:

Carlo Rovelli

Phys. Rev. Lett. 83, 1071 (1999) - Published 2 August, 1999

On the Question of Electron Bridge for the 3.5-eV Isomer of $^{229} Th$

F. F. Karpeshin, I. M. Band, M. B. Trzhaskovskaya, and A. Pastor

Phys. Rev. Lett. 83, 1072 (1999) - Published 2 August, 1999

Irwin and Kim Reply:

G. M. Irwin and K. H. Kim

Phys. Rev. Lett. 83, 1073 (1999) - Published 2 August, 1999

Comment on “Fractal Conductance Fluctuations in a Soft-Wall Stadium and a Sinai Billiard”

R. P. Taylor, A. P. Micolich, T. M. Fromhold, and R. Newbury

Phys. Rev. Lett. 83, 1074 (1999) - Published 2 August, 1999

Sachrajda and Ketzmerick Reply:

A. S. Sachrajda and R. Ketzmerick

Phys. Rev. Lett. 83, 1075 (1999) - Published 2 August, 1999

Comment on “Level Statistics of Quantum Dots Coupled to Reservoirs”

M. Pascaud and G. Montambaux

Phys. Rev. Lett. 83, 1076 (1999) - Published 2 August, 1999

ERRATA

Erratum: Vacancy in Silicon Revisited: Structure and Pressure Effects [Phys. Rev. Lett. 81, 2088 (1998)]

A. Antonelli, Efthimios Kaxiras, and D. J. Chadi

Phys. Rev. Lett. 83, 1077 (1999) - Published 2 August, 1999