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Physical Review Letters

Volume 78, Issue 20

19 May 1997

Browse Issues:

LETTERS

General Physics

Emergence of Interaction Effects in Bose-Einstein Condensation

M. J. Holland, D. S. Jin, M. L. Chiofalo, and J. Cooper

Phys. Rev. Lett. 78, 3801 (1997) - Published 19 May, 1997

Novel Universal Correlations in Invariant Random-Matrix Models

E. Kanzieper and V. Freilikher

Phys. Rev. Lett. 78, 3806 (1997) - Published 19 May, 1997

Gravitation and Astrophysics

Gravitational Instanton for Black Hole Radiation

S. Massar and R. Parentani

Phys. Rev. Lett. 78, 3810 (1997) - Published 19 May, 1997

Elementary Particles and Fields

Static Color-Coulomb Force

Attilio Cucchieri and Daniel Zwanziger

Phys. Rev. Lett. 78, 3814 (1997) - Published 19 May, 1997

Search for a Fourth Generation Charge $- 1 / 3$ Quark via Flavor Changing Neutral Current Decay

S. Abachi et al. (DØ Collaboration)

Phys. Rev. Lett. 78, 3818 (1997) - Published 19 May, 1997

Measurement of the Proton's Neutral Weak Magnetic Form Factor

B. Mueller, D. H. Beck, E. J. Beise, E. Candell, L. Cardman, R. Carr, R. C. DiBari, G. Dodson, K. Dow, F. Duncan, M. Farkhondeh, B. W. Filippone, T. Forest, H. Gao, W. Korsch, S. Kowalski, A. Lung, R. D. McKeown, R. Mohring, J. Napolitano, D. Nilsson, M. Pitt, N. Simicevic, B. Terburg, and S. P. Wells (SAMPLE Collaboration)

Phys. Rev. Lett. 78, 3824 (1997) - Published 19 May, 1997

Nuclear Physics

Gross and Fine Structure of Pion Production Excitation Functions in $p$ -Nucleus and Nucleus-Nucleus Reactions

B. Jakobsson et al. (CHIC Collaboration)

Phys. Rev. Lett. 78, 3828 (1997) - Published 19 May, 1997

Enhancement of Superdeformed Band Population in $^{135} Nd$

J. M. Nieminen, S. Flibotte, M. Cromaz, A. Galindo-Uribarri, G. Gervais, D. S. Haslip, V. P. Janzen, D. C. Radford, C. E. Svensson, J. C. Waddington, D. Ward, and J. N. Wilson

Phys. Rev. Lett. 78, 3832 (1997) - Published 19 May, 1997

Nuclear Thermometers from Isotope Yield Ratios

M. B. Tsang, W. G. Lynch, H. Xi, and W. A. Friedman

Phys. Rev. Lett. 78, 3836 (1997) - Published 19 May, 1997

Atomic, Molecular, and Optical Physics

Resonant, Elliptical-Polarization Control of Microwave Ionization of Hydrogen Atoms

M. R. W. Bellermann, P. M. Koch, and D. Richards

Phys. Rev. Lett. 78, 3840 (1997) - Published 19 May, 1997

Observation of Ortho-Para $H_{3}^{+}$ Selection Rules in Plasma Chemistry

Dairene Uy, Michel Cordonnier, and Takeshi Oka

Phys. Rev. Lett. 78, 3844 (1997) - Published 19 May, 1997

Experimental Windowed Fourier Transform of the Vibrational Spectrum of ${CS}_{2}$

Laurent Michaille, Hubertus Ring, Georges Sitja, and Jean-Paul Pique

Phys. Rev. Lett. 78, 3848 (1997) - Published 19 May, 1997

Cooperative Enhancement of Optical Quantum Gates

J. D. Franson

Phys. Rev. Lett. 78, 3852 (1997) - Published 19 May, 1997

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Demonstration of Saturation in a Ni-like Ag X-Ray Laser at 14 nm

J. Zhang, A. G. MacPhee, J. Nilsen, J. Lin, T. W. Barbee, Jr., C. Danson, M. H. Key, C. L. S. Lewis, D. Neely, R. M. N. O'Rourke, G. J. Pert, R. Smith, G. J. Tallents, J. S. Wark, and E. Wolfrum

Phys. Rev. Lett. 78, 3856 (1997) - Published 19 May, 1997

Optically Nonlinear Bragg Diffracting Nanosecond Optical Switches

Guisheng Pan, R. Kesavamoorthy, and Sanford A. Asher

Phys. Rev. Lett. 78, 3860 (1997) - Published 19 May, 1997

Lévy Flights in Fluid Flows with no Kolmogorov-Arnold-Moser Surfaces

Shankar C. Venkataramani, Thomas M. Antonsen, Jr., and Edward Ott

Phys. Rev. Lett. 78, 3864 (1997) - Published 19 May, 1997

Plasma and Beam Physics

Cross-Magnetic-Field Heat Conduction in Non-neutral Plasmas

D. H. E. Dubin and T. M. O'Neil

Phys. Rev. Lett. 78, 3868 (1997) - Published 19 May, 1997

Rotation of Cylindrical Plasmas in the GAMMA 10 Tandem Mirror

K. Ikeda, Y. Nagayama, T. Aota, M. Ichimura, K. Ishii, T. Ishijima, Y. Kiwamoto, A. Mase, T. Saito, T. Tamano, T. Tokuzawa, N. Yamaguchi, and M. Yoshikawa

Phys. Rev. Lett. 78, 3872 (1997) - Published 19 May, 1997

Measurement of Feedthrough and Instability Growth in Radiation-Driven Cylindrical Implosions

Warren W. Hsing and Nelson M. Hoffman

Phys. Rev. Lett. 78, 3876 (1997) - Published 19 May, 1997

Condensed Matter: Structure, Etc.

Surface Segregation-Induced Critical Phenomena at FeCo(001) Surfaces

S. Krimmel, W. Donner, B. Nickel, H. Dosch, C. Sutter, and G. Grübel

Phys. Rev. Lett. 78, 3880 (1997) - Published 19 May, 1997

Different Results for the Equilibrium Phases of Cerium above 5 GPa

M. I. McMahon and R. J. Nelmes

Phys. Rev. Lett. 78, 3884 (1997) - Published 19 May, 1997

Direct Observation of a Self-Affine Crack Propagation

Jean Schmittbuhl and Knut Jørgen Måløy

Phys. Rev. Lett. 78, 3888 (1997) - Published 19 May, 1997

Strained Tetragonal States and Bain Paths in Metals

P. Alippi, P. M. Marcus, and M. Scheffler

Phys. Rev. Lett. 78, 3892 (1997) - Published 19 May, 1997

Kolmogorov Turbulence in Low-Temperature Superflows

C. Nore, M. Abid, and M. E. Brachet

Phys. Rev. Lett. 78, 3896 (1997) - Published 19 May, 1997

Determination of the Na/Cu(001) Potential Energy Surface from Helium Scattering Studies of the Surface Dynamics

A. P. Graham, F. Hofmann, J. P. Toennies, L. Y. Chen, and S. C. Ying

Phys. Rev. Lett. 78, 3900 (1997) - Published 19 May, 1997

Anisotropic Standing-Wave Formation on an Au(111)- $(23 \times \sqrt 3)$ Reconstructed Surface

D. Fujita, K. Amemiya, T. Yakabe, H. Nejoh, T. Sato, and M. Iwatsuki

Phys. Rev. Lett. 78, 3904 (1997) - Published 19 May, 1997

Hyperdynamics: Accelerated Molecular Dynamics of Infrequent Events

Arthur F. Voter

Phys. Rev. Lett. 78, 3908 (1997) - Published 19 May, 1997

Coherency Strain as an Athermal Strengthening Mechanism

M. E. Brenchley, M. Hopkinson, A. Kelly, P. Kidd, and D. J. Dunstan

Phys. Rev. Lett. 78, 3912 (1997) - Published 19 May, 1997

Condensed Matter: Electronic Properties, Etc.

Limits for Metallic Conductivity in Conducting Polymers

R. S. Kohlman, A. Zibold, D. B. Tanner, G. G. Ihas, T. Ishiguro, Y. G. Min, A. G. MacDiarmid, and A. J. Epstein

Phys. Rev. Lett. 78, 3915 (1997) - Published 19 May, 1997

Momentum Redistribution Times of Resonantly Photogenerated 2D Excitons

R. Duer, I. Shtrichman, D. Gershoni, and E. Ehrenfreund

Phys. Rev. Lett. 78, 3919 (1997) - Published 19 May, 1997

Pressure Induced Deep Gap State of Oxygen in GaN

C. Wetzel, T. Suski, J. W. Ager III, E. R. Weber, E. E. Haller, S. Fischer, B. K. Meyer, R. J. Molnar, and P. Perlin

Phys. Rev. Lett. 78, 3923 (1997) - Published 19 May, 1997

Anisotropic Pressure Dependence of $T_{c}$ in ${YBa}_{2} {Cu}_{3} O_{7 - δ}$ : Evidence for the Tunneling-Unit Model

Michael W. Klein and Sergey B. Simanovsky

Phys. Rev. Lett. 78, 3927 (1997) - Published 19 May, 1997

Superconducting Phase Coherence in Striped Cuprates

A. H. Castro Neto

Phys. Rev. Lett. 78, 3931 (1997) - Published 19 May, 1997

Critical Behavior of Transport in Lattice and Continuum Percolation Models

K. M. Golden

Phys. Rev. Lett. 78, 3935 (1997) - Published 19 May, 1997

One-Dimensional Spin-Liquid without Magnon Excitations

A. A. Nersesyan and A. M. Tsvelik

Phys. Rev. Lett. 78, 3939 (1997) - Published 19 May, 1997

Mean Field Theory of the Mott-Anderson Transition

V. Dobrosavljević and G. Kotliar

Phys. Rev. Lett. 78, 3943 (1997) - Published 19 May, 1997

Thermal Conductivity of Manganite Perovskites: Colossal Magnetoresistance as a Lattice-Dynamics Transition

D. W. Visser, A. P. Ramirez, and M. A. Subramanian

Phys. Rev. Lett. 78, 3947 (1997) - Published 19 May, 1997

Spin-Lattice Relaxation at High Magnetic Fields: A Tool for Electron-Phonon Coupling Studies

A. M. Witowski, C. Kutter, and P. Wyder

Phys. Rev. Lett. 78, 3951 (1997) - Published 19 May, 1997

Gap-State Induced Photoluminescence Quenching of Phenylene Vinylene Oligomer and Its Recovery by Oxidation

Y. Park, V.-E. Choong, B. R. Hsieh, C. W. Tang, and Y. Gao

Phys. Rev. Lett. 78, 3955 (1997) - Published 19 May, 1997

Cross-Disciplinary Physics

Nucleation of ``Hut'' Pits and Clusters during Gas-Source Molecular-Beam Epitaxy of Ge/Si(001) in In Situ Scanning Tunnelng Microscopy

I. Goldfarb, P. T. Hayden, J. H. G. Owen, and G. A. D. Briggs

Phys. Rev. Lett. 78, 3959 (1997) - Published 19 May, 1997

Direct Measurement of Infinitesimal Depletion Force in a Colloid-Polymer Mixture by Laser Radiation Pressure

Y. N. Ohshima, H. Sakagami, K. Okumoto, A. Tokoyoda, T. Igarashi, K. B. Shintaku, S. Toride, H. Sekino, K. Kabuto, and I. Nishio

Phys. Rev. Lett. 78, 3963 (1997) - Published 19 May, 1997

Stability Threshold as a Selection Principle for Protein Design

Michele Vendruscolo, Amos Maritan, and Jayanth R. Banavar

Phys. Rev. Lett. 78, 3967 (1997) - Published 19 May, 1997

Quantum Computation with Phase Drift Errors

César Miquel, Juan Pablo Paz, and Wojciech Hubert Zurek

Phys. Rev. Lett. 78, 3971 (1997) - Published 19 May, 1997

COMMENTS

Comment on “Experimental Fusion Barrier Distributions Reflecting Projectile Octupole State Coupling to Prolate and Oblate Target Nuclei”

C. H. Dasso and J. Fernández-Niello

Phys. Rev. Lett. 78, 3975 (1997) - Published 19 May, 1997

Bierman et al. Reply:

J. D. Bierman, P. Chan, J. F. Liang, M. P. Kelly, A. A. Sonzogni, and R. Vandenbosch

Phys. Rev. Lett. 78, 3976 (1997) - Published 19 May, 1997

Comment on ``Determination of the Critical Conductivity Exponent for the Metal-Insulator Transition at Nonzero Temperatures: Universality of the Transition''

M. P. Sarachik and S. Bogdanovich

Phys. Rev. Lett. 78, 3977 (1997) - Published 19 May, 1997

Shlimak et al. Reply:

I. Shlimak, M. Kaveh, R. Ussyshkin, V. Ginodman, and L. Resnick

Phys. Rev. Lett. 78, 3978 (1997) - Published 19 May, 1997

Comment on “Two-Electron State in a Disordered 2D Island: Pairing Caused by the Coulomb Repulsion”

Yi Wan, Gerardo Ortiz, and Philip Phillips

Phys. Rev. Lett. 78, 3979 (1997) - Published 19 May, 1997

Raikh, Glazman, and Zhukov Reply:

M. E. Raikh, L. I. Glazman, and L. E. Zhukov

Phys. Rev. Lett. 78, 3980 (1997) - Published 19 May, 1997

Comment on “Nonzero Fermi Level Density of States for a Disordered $d$ -Wave Superconductor in Two Dimensions”

A. A. Nersesyan and A. M. Tsvelik

Phys. Rev. Lett. 78, 3981 (1997) - Published 19 May, 1997

Ziegler, Hettler, and Hirschfeld Reply:

K. Ziegler, M. H. Hettler, and P. J. Hirschfeld

Phys. Rev. Lett. 78, 3982 (1997) - Published 19 May, 1997