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Physical Review Letters

Volume 73, Issue 1

4 July 1994

Browse Issues:

LETTERS

General Physics

Bound state excitation, nucleon decay experiments and models of wave function collapse

Philip Pearle and Euan Squires

Phys. Rev. Lett. 73, 1 (1994) - Published 4 July, 1994

Quantum Spherical Models for Dirty Phase Transitions

Yuhai Tu and Peter B. Weichman

Phys. Rev. Lett. 73, 6 (1994) - Published 4 July, 1994

Gravitation and Astrophysics

Obstructions to the existence of static cosmic strings in an Abelian Higgs model

Yisong Yang

Phys. Rev. Lett. 73, 10 (1994) - Published 4 July, 1994

Elementary Particles and Fields

An exact solution to the O(26) sigma model coupled to 2D quantum gravity

Weidong Zhao

Phys. Rev. Lett. 73, 14 (1994) - Published 4 July, 1994

Determining the Quark Mixing Matrix from $CP$ -violating Asymmetries

R. Aleksan, B. Kayser, and D. London

Phys. Rev. Lett. 73, 18 (1994) - Published 4 July, 1994

Weak coupling phase from decays of charged B mesons to πK and ππ

Michael Gronau, Jonathan L. Rosner, and David London

Phys. Rev. Lett. 73, 21 (1994) - Published 4 July, 1994

Precise Measurement of the Left-Right Cross Section Asymmetry in $Z$ Boson Production by $e^{+} e^{-}$ Collisions

K. Abe et al.

Phys. Rev. Lett. 73, 25 (1994) - Published 4 July, 1994

Nuclear Physics

Charge exchange reactions and the efficiency of solar neutrino detectors

Sam M. Austin, N. Anantaraman, and W. G. Love

Phys. Rev. Lett. 73, 30 (1994) - Published 4 July, 1994

Hard photon intensity interferometry in heavy ion reactions

M. Marqués, R. W. Ostendorf, P. Lautridou, F. Lefèvre, T. Matulewicz, W. Mittig, P. Roussel-Chomaz, Y. Schutz, J. Québert, J. Díaz, A. Marín, G. Martínez, R. Holzmann, S. Hlávač, A. Schubert, R. S. Simon, V. Wagner, H. Löhner, J. H. G. van Pol, R. H. Siemssen, H. W. Wilschut, M. Franke, and Z. Sujkowski

Phys. Rev. Lett. 73, 34 (1994) - Published 4 July, 1994

A theory of low-energy pion double charge exchange

Marios A. Kagarlis and Mikkel B. Johnson

Phys. Rev. Lett. 73, 38 (1994) - Published 4 July, 1994

Atomic, Molecular, and Optical Physics

First Pure Frequency Measurement of an Optical Transition in Helium: Lamb Shift of the $2^{3} S_{1}$ Metastable Level

F. S. Pavone, F. Marin, P. De Natale, M. Inguscio, and F. Biraben

Phys. Rev. Lett. 73, 42 (1994) - Published 4 July, 1994

Experimental Identification of Saddle-Point Electrons

Marc Pieksma, S. Y. Ovchinnikov, J. van Eck, W. B. Westerveld, and A. Niehaus

Phys. Rev. Lett. 73, 46 (1994) - Published 4 July, 1994

Direct observation of systematic deviations from the Bethe stopping theory for relativistic heavy ions

C. Scheidenberger, H. Geissel, H. H. Mikkelsen, F. Nickel, T. Brohm, H. Folger, H. Irnich, A. Magel, M. F. Mohar, G. Münzenberg, M. Pfützner, E. Roeckl, I. Schall, D. Schardt, K.-H. Schmidt, W. Schwab, M. Steiner, Th. Stöhlker, K. Sümmerer, D. J. Vieira, B. Voss, and M. Weber

Phys. Rev. Lett. 73, 50 (1994) - Published 4 July, 1994

Observation of the Septuply Charged ion $C_{60}^{7 +}$ and Its Metastable Decay into Two Charged Fragments via Superasymmetric Fission

P. Scheier and T. D. Märk

Phys. Rev. Lett. 73, 54 (1994) - Published 4 July, 1994

Experimental realization of any discrete unitary operator

Michael Reck, Anton Zeilinger, Herbert J. Bernstein, and Philip Bertani

Phys. Rev. Lett. 73, 58 (1994) - Published 4 July, 1994

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Universality classes for interface growth with quenched disorder

Luís A. Nunes Amaral, Albert-László Barabási, and H. Eugene Stanley

Phys. Rev. Lett. 73, 62 (1994) - Published 4 July, 1994

Plasma and Beam Physics

Restoration of Rectangular Pulse Shape after Edge Erosion for a Space-Charge Dominated Electron Bunch

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

Phys. Rev. Lett. 73, 66 (1994) - Published 4 July, 1994

Spectrum, temporal structure, and fluctuations in a high-gain free-electron laser starting from noise

R. Bonifacio, L. De Salvo, P. Pierini, N. Piovella, and C. Pellegrini

Phys. Rev. Lett. 73, 70 (1994) - Published 4 July, 1994

Supersonic Propagation of an Ionization Front in Low Density Foam Targets Driven by Thermal Radiation

T. Afshar-rad, M. Desselberger, M. Dunne, J. Edwards, J. M. Foster, D. Hoarty, M. W. Jones, S. J. Rose, P. A. Rosen, R. Taylor, and O. Willi

Phys. Rev. Lett. 73, 74 (1994) - Published 4 July, 1994

Subpicosecond Thomson Scattering Measurements of Optically Ionized Helium Plasmas

T. E. Glover, T. D. Donnelly, E. A. Lipman, A. Sullivan, and R. W. Falcone

Phys. Rev. Lett. 73, 78 (1994) - Published 4 July, 1994

Condensed Matter: Structure, Etc.

Observation of X-Ray Speckle by Coherent Scattering at Grazing Incidence

Z. H. Cai, B. Lai, W. B. Yun, I. McNulty, K. G. Huang, and T. P. Russell

Phys. Rev. Lett. 73, 82 (1994) - Published 4 July, 1994

Epitaxial Relationship for Hexagonal-to-Cubic Phase Transition in a Book Copolymer Mixture

Mark F. Schulz, Frank S. Bates, Kristoffer Almdal, and Kell Mortensen

Phys. Rev. Lett. 73, 86 (1994) - Published 4 July, 1994

Adsorption Site Determination by Means of Surface Core Level Shift High Energy Photoelectron Diffraction: $Pd {110} (2 \times 1) p 2 m g - CO$

A. Locatelli, B. Brena, S. Lizzit, G. Comelli, G. Cautero, G. Paolucci, and R. Rosei

Phys. Rev. Lett. 73, 90 (1994) - Published 4 July, 1994

Localized morphological mode during sublimation of a vicinal pyramid

B. Houchmandzadeh and C. Misbah

Phys. Rev. Lett. 73, 94 (1994) - Published 4 July, 1994

Structure of a New High Pressure Phase in $α$ -Quartz Determined by Molecular Dynamics Studies

M. S. Somayazulu, Surinder M. Sharma, and S. K. Sikka

Phys. Rev. Lett. 73, 98 (1994) - Published 4 July, 1994

Diffraction line profile of a two-dimensional hexatic

I. R. Peterson and V. M. Kaganer

Phys. Rev. Lett. 73, 102 (1994) - Published 4 July, 1994

Local geometry of surfactant monolayers in a ternary microemulsion system

D. D. Lee and S. H. Chen

Phys. Rev. Lett. 73, 106 (1994) - Published 4 July, 1994

Kinetic Instability in the Growth of Ca $F_{2}$ on Si(111)

R. M. Tromp and M. C. Reuter

Phys. Rev. Lett. 73, 110 (1994) - Published 4 July, 1994

Influence of hydrodynamic interactions on the adsorption process of large particles

I. Pagonabarraga and J. M. Rubí

Phys. Rev. Lett. 73, 114 (1994) - Published 4 July, 1994

Carbon Nitride Deposited Using Energetic Species: A Two-Phase System

D. Marton, K. J. Boyd, A. H. Al-Bayati, S. S. Todorov, and J. W. Rabalais

Phys. Rev. Lett. 73, 118 (1994) - Published 4 July, 1994

Condensed Matter: Electronic Properties, Etc.

Efficient Linear Scaling Algorithm for Tight-Binding Molecular Dynamics

S. Goedecker and L. Colombo

Phys. Rev. Lett. 73, 122 (1994) - Published 4 July, 1994

Distinct quantum behavior of hydrogen and muonium in crystalline silicon

Rafael Ramírez and Carlos P. Herrero

Phys. Rev. Lett. 73, 126 (1994) - Published 4 July, 1994

Inverted order of acceptor and donor levels of monatomic hydrogen in silicon

N. M. Johnson, C. Herring, and Chris G. Van de Walle

Phys. Rev. Lett. 73, 130 (1994) - Published 4 July, 1994

Limits of universality in disordered conductors

Yu. V. Nazarov

Phys. Rev. Lett. 73, 134 (1994) - Published 4 July, 1994

Oscillatory Wave Function Collapse in a Mesoscopic System

Mark Ya. Azbel

Phys. Rev. Lett. 73, 138 (1994) - Published 4 July, 1994

Mesoscopic transport through chaotic cavities: A random S-matrix theory approach

Harold U. Baranger and Pier A. Mello

Phys. Rev. Lett. 73, 142 (1994) - Published 4 July, 1994

Magnetic Field Symmetry Properties of the Capacitance Tensor of a Two-Dimensional Electron System

W. Chen, T. P. Smith, III, M. Büttiker, and M. Shayegan

Phys. Rev. Lett. 73, 146 (1994) - Published 4 July, 1994

First-Principles Theory of Atom Extraction by Scanning Tunneling Microscopy

Kenji Hirose and Masaru Tsukada

Phys. Rev. Lett. 73, 150 (1994) - Published 4 July, 1994

Magnetic Response of Disordered Ballistic Quantum Dots

Yuval Gefen, Daniel Braun, and Gilles Montambaux

Phys. Rev. Lett. 73, 154 (1994) - Published 4 July, 1994

Optimum Jastrow Function for Few-Electron Ground States in a Quantum Dot: Reduction to a Three-Particle Problem

F. Bolton

Phys. Rev. Lett. 73, 158 (1994) - Published 4 July, 1994

Nonequilibrium magnetization in a ballistic quantum dot

T. Swahn, E. N. Bogachek, Yu. M. Galperin, M. Jonson, and R. I. Shekhter

Phys. Rev. Lett. 73, 162 (1994) - Published 4 July, 1994

Anomalous $T^{3}$ Inverse Hall Mobilities Observed in ${Sr}_{1 - x} Cu O_{2}$ and ${Sr}_{0.9}$ ${Nd}_{0.1}$ Cu $O_{2}$ Infinite-Layer Thin Films

Edwin C. Jones, David P. Norton, David K. Christen, and Douglas H. Lowndes

Phys. Rev. Lett. 73, 166 (1994) - Published 4 July, 1994

Indications of spin-charge separation in the two-dimensional t-J model

W. O. Putikka, R. L. Glenister, R. R. P. Singh, and Hirokazu Tsunetsugu

Phys. Rev. Lett. 73, 170 (1994) - Published 4 July, 1994

$c$ -Axis Optical Response of Fully Oxygenated $Y {Ba}_{2} {Cu}_{3} O_{7 - δ}$ : Observation of Dirty-Limit-Like Superconductivity and Residual Unpaired Carriers

J. Schützmann, S. Tajima, S. Miyamoto, and S. Tanaka

Phys. Rev. Lett. 73, 174 (1994) - Published 4 July, 1994

Flux creep in superconducting films: An exact solution

Alexander Gurevich and Ernst Helmut Brandt

Phys. Rev. Lett. 73, 178 (1994) - Published 4 July, 1994

Growth of Long-Range Correlations after a Quench in Conserved-Order-Parameter Systems

Satya N. Majumdar, David A. Huse, and Boris D. Lubachevsky

Phys. Rev. Lett. 73, 182 (1994) - Published 4 July, 1994

Susceptibility Discontinuity in Single Crystal $C_{60}$

Weili Luo, Hao Wang, Rodney S. Ruoff, Jerzy Cioslowski, and Steven Phelps

Phys. Rev. Lett. 73, 186 (1994) - Published 4 July, 1994

Magnetic structure of the spin-liquid state in a frustrated pyrochlore

M. J. Harris, M. P. Zinkin, Z. Tun, B. M. Wanklyn, and I. P. Swainson

Phys. Rev. Lett. 73, 189 (1994) - Published 4 July, 1994

Magnetic Properties of Fe Films on Cr(100)

A. Berger and H. Hopster

Phys. Rev. Lett. 73, 193 (1994) - Published 4 July, 1994

Anomalous Long Time Tail Behavior of Spin-Spin Correlation in the Normal State of ${Tl}_{2}$ ${Ba}_{2}$ Cu $O_{y}$

Shinsaku Kambe, Hiroshi Yasuoka, Akihiko Hayashi, and Yutaka Ueda

Phys. Rev. Lett. 73, 197 (1994) - Published 4 July, 1994

Cross-Disciplinary Physics

Critical change of relaxation dynamics in a reaction-diffusion system

Boris M. Shipilevsky

Phys. Rev. Lett. 73, 201 (1994) - Published 4 July, 1994

Simulation of structure formation in an electrorheological fluid

R. Tao and Qi Jiang

Phys. Rev. Lett. 73, 205 (1994) - Published 4 July, 1994

COMMENTS

Quantum beats in photon echo from four-waving mixing

Xuejun Zhu, Mark S. Hybertsen, and P. B. Littlewood

Phys. Rev. Lett. 73, 209 (1994) - Published 4 July, 1994

Koch et al. reply

M. Koch, J. Feldmann, G. von Plessen, S. T. Cundiff, E. O. Göbel, P. Thomas, and K. Köhler

Phys. Rev. Lett. 73, 210 (1994) - Published 4 July, 1994

ERRATA

Erratum: ‘‘Bulk superconductivity at an elevated temperature ( $T_{c}$ ≊12 K) in a nickel containing alloy system Y-Ni-B-C’’ [Phys. Rev. Lett. 72, 274(1994)]

R. Nagarajan, Chandan Mazumdar, Zakir Hossain, S. K. Dhar, K. V. Gopalakrishnan, L. C. Gupta, C. Godart, B. D. Padalia, and R. Vijayaraghavan

Phys. Rev. Lett. 73, 211 (1994) - Published 4 July, 1994

Autocatalytic Processes in Mixing Flows

Guy Metcalfe and J. M. Ottino

Phys. Rev. Lett. 73, 212 (1994) - Published 4 July, 1994