Volume 74, Issue 12

V. Mergel, R. Dörner, J. Ullrich, O. Jagutzki, S. Lencinas, S. Nüttgens, L. Spielberger, M. Unverzagt, C. L. Cocke, R. E. Olson, M. Schulz, U. Buck, E. Zanger, W. Theisinger, M. Isser, S. Geis, and H. Schmidt-Böcking

Phys. Rev. Lett. 74, 2200 (1995) - Published 20 March, 1995

Time Scales for Charge Equilibration of $O^{q +}$ $(3 \leq q \leq 8)$ Ions during Surface-Channeling Interactions with Au(110)

L. Folkerts, S. Schippers, D. M. Zehner, and F. W. Meyer

Phys. Rev. Lett. 74, 2204 (1995) - Published 20 March, 1995

Exact Quantum Distribution for Parametric Oscillators

Reeta Vyas and Surendra Singh

Phys. Rev. Lett. 74, 2208 (1995) - Published 20 March, 1995

Measurement of the Potassium 4 $P$ Excited State Diffusion Coefficient in Xenon Gas Using Degenerate Four-Wave Mixing

D. S. Glassner and R. J. Knize

Phys. Rev. Lett. 74, 2212 (1995) - Published 20 March, 1995

“Granular” Convection in a Vibrated Fluid

Marc Bourzutschky and Jonathan Miller

Phys. Rev. Lett. 74, 2216 (1995) - Published 20 March, 1995

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Scaling Laws for Dynamical Hysteresis in a Multidimensional Laser System

Angela Hohl, H. J. C. van der Linden, Rajarshi Roy, Guillermo Goldsztein, Fernando Broner, and Steven H. Strogatz

Phys. Rev. Lett. 74, 2220 (1995) - Published 20 March, 1995

Plasma and Beam Physics

Free-Electron Laser Efficiency Enhancement, Gain Enhancement, and Spectral Control Using a Step-Tapered Undulator

D. A. Jaroszynski, R. Prazeres, F. Glotin, J. M. Ortega, D. Oepts, A. F. G. van der Meer, G. M. H. Knippels, and P. W. van Amersfoort

Phys. Rev. Lett. 74, 2224 (1995) - Published 20 March, 1995

Analysis of Beam-Beam Interactions with a Large Crossing Angle

Kohji Hirata

Phys. Rev. Lett. 74, 2228 (1995) - Published 20 March, 1995

Instability of Langmuir Waves in Plasma Irradiated by Directed Gamma Rays

A. M. Beloborodov and M. Demiański

Phys. Rev. Lett. 74, 2232 (1995) - Published 20 March, 1995

Coupling between High-Frequency Plasma Waves in Laser-Plasma Interactions

M. J. Everett, A. Lal, C. E. Clayton, W. B. Mori, T. W. Johnston, and C. Joshi

Phys. Rev. Lett. 74, 2236 (1995) - Published 20 March, 1995

Experimental Evidence of Low Frequency Current Drive in the Phaedrus-T Tokamak

S. Wukitch, M. Vukovic, R. Breun, D. Brouchous, D. A. Diebold, M. Doczy, A. Elfimov, D. Edgell, N. Hershkowitz, T. Intrator, M. Kishinevsky, C. Litwin, P. Moroz, and P. Probert

Phys. Rev. Lett. 74, 2240 (1995) - Published 20 March, 1995

Condensed Matter: Structure, Etc.

Atomically Resolved Scanning Tunneling Spectroscopy on Si(001)-( $2 \times 1$ ) Asymmetric Dimers

A. W. Munz, Ch. Ziegler, and W. Göpel

Phys. Rev. Lett. 74, 2244 (1995) - Published 20 March, 1995

Laser-Induced Damage in Dielectrics with Nanosecond to Subpicosecond Pulses

B. C. Stuart, M. D. Feit, A. M. Rubenchik, B. W. Shore, and M. D. Perry

Phys. Rev. Lett. 74, 2248 (1995) - Published 20 March, 1995

High-Resolution Compton Scattering Study of Li: Asphericity of the Fermi Surface and Electron Correlation Effects

Y. Sakurai, Y. Tanaka, A. Bansil, S. Kaprzyk, A. T. Stewart, Y. Nagashima, T. Hyodo, S. Nanao, H. Kawata, and N. Shiotani

Phys. Rev. Lett. 74, 2252 (1995) - Published 20 March, 1995

Ion-Beam-Induced Surface Instability of Glassy F $e_{40}$ N $i_{40}$ $B_{20}$

A. Gutzmann, S. Klaumünzer, and P. Meier

Phys. Rev. Lett. 74, 2256 (1995) - Published 20 March, 1995

Relative Consistency of Equations of State by Laser Driven Shock Waves

M. Koenig, B. Faral, J. M. Boudenne, D. Batani, A. Benuzzi, S. Bossi, C. Rémond, J. P. Perrine, M. Temporal, and S. Atzeni

Phys. Rev. Lett. 74, 2260 (1995) - Published 20 March, 1995

New High Pressure Crystal Structure and Equation of State of Cesium Hydride to 253 GPa

Kouros Ghandehari, Huan Luo, Arthur L. Ruoff, Steven S. Trail, and Francis J. DiSalvo

Phys. Rev. Lett. 74, 2264 (1995) - Published 20 March, 1995

Observation of Inverted-Molecular Compression in Boron Carbide

R. J. Nelmes, J. S. Loveday, R. M. Wilson, W. G. Marshall, J. M. Besson, S. Klotz, G. Hamel, T. L. Aselage, and S. Hull

Phys. Rev. Lett. 74, 2268 (1995) - Published 20 March, 1995

Model for Configurational Thermodynamics in Ionic Systems

P. D. Tepesch, G. D. Garbulsky, and G. Ceder

Phys. Rev. Lett. 74, 2272 (1995) - Published 20 March, 1995

Real-Time Measurements of the Deterministic Relaxation of an Initially Rough Si(111) Surface

H.-N. Yang, G.-C. Wang, and T.-M. Lu

Phys. Rev. Lett. 74, 2276 (1995) - Published 20 March, 1995

Pressure and Temperature Dependence of Glass-Transition Dynamics in a “Fragile” Glass Former

G. Li, H. E. King, Jr., W. F. Oliver, C. A. Herbst, and H. Z. Cummins

Phys. Rev. Lett. 74, 2280 (1995) - Published 20 March, 1995

Dynamics of Glasslike Transitions in a Quasi-Two-Dimensional System

Y. H. Hwang and X-l. Wu

Phys. Rev. Lett. 74, 2284 (1995) - Published 20 March, 1995

Path Integral Monte Carlo Simulation of Isotopic Liquid Helium Mixtures

Massimo Boninsegni and David M. Ceperley

Phys. Rev. Lett. 74, 2288 (1995) - Published 20 March, 1995

Does the Roughness of the Substrate Enhance Wetting?

Christian Borgs, Joël De Coninck, Roman Kotecký, and Murielle Zinque

Phys. Rev. Lett. 74, 2292 (1995) - Published 20 March, 1995

Island Shape-Induced Transition from 2D to 3D Growth for Pt/Pt(111)

Joachim Jacobsen, Karsten W. Jacobsen, Per Stoltze, and Jens K. Nørskov

Phys. Rev. Lett. 74, 2295 (1995) - Published 20 March, 1995

Condensed Matter: Electronic Properties, Etc.

Temperature Effects in Quantum Dots in the Regime of Chaotic Dynamics

K. B. Efetov

Phys. Rev. Lett. 74, 2299 (1995) - Published 20 March, 1995

$s$ -Wave Superconductivity from an Antiferromagnetic Spin-Fluctuation Model for Bilayer Materials

A. I. Liechtenstein, I. I. Mazin, and O. K. Andersen

Phys. Rev. Lett. 74, 2303 (1995) - Published 20 March, 1995

Electronic Structure of Helically Coiled Cage of Graphitic Carbon

Kazuto Akagi, Ryo Tamura, Masaru Tsukada, Satoshi Itoh, and Sigeo Ihara

Phys. Rev. Lett. 74, 2307 (1995) - Published 20 March, 1995

de Haas–van Alphen Oscillations in a Superconducting State at High Magnetic Fields

Saša Dukan and Zlatko Tešanović

Phys. Rev. Lett. 74, 2311 (1995) - Published 20 March, 1995

Temperature Dependence of the Electron Landé $g$ Factor in GaAs

M. Oestreich and W. W. Rühle

Phys. Rev. Lett. 74, 2315 (1995) - Published 20 March, 1995

Fullerene Dimers: Cohesive Energy, Electronic Structure, and Vibrational Modes

Mark R. Pederson and Andrew A. Quong

Phys. Rev. Lett. 74, 2319 (1995) - Published 20 March, 1995

Band-Structure Picture for MnO Reexplored: A Model $GW$ Calculation

S. Massidda, A. Continenza, M. Posternak, and A. Baldereschi

Phys. Rev. Lett. 74, 2323 (1995) - Published 20 March, 1995

Evaluation of $GW$ Approximations for the Self-Energy of a Hubbard Cluster

C. Verdozzi, R. W. Godby, and S. Holloway

Phys. Rev. Lett. 74, 2327 (1995) - Published 20 March, 1995

Observation of a Well Defined Transition from Weak to Strong Localization in Two Dimensions

Shih-Ying Hsu and J. M. Valles, Jr.

Phys. Rev. Lett. 74, 2331 (1995) - Published 20 March, 1995

Calculated Phase Diagram for the $γ ⇌ α$ Transition in Ce

B. Johansson, I. A. Abrikosov, M. Aldén, A. V. Ruban, and H. L. Skriver

Phys. Rev. Lett. 74, 2335 (1995) - Published 20 March, 1995

Phonon Absorption at the Magnetoroton Minimum in the Fractional Quantum Hall Effect

C. J. Mellor, R. H. Eyles, J. E. Digby, A. J. Kent, K. A. Benedict, L. J. Challis, M. Henini, C. T. Foxon, and J. J. Harris

Phys. Rev. Lett. 74, 2339 (1995) - Published 20 March, 1995

Role of Normal Layers in Penetration Depth Determinations of the Pairing State in High- $T_{c}$ Superconductors

Richard A. Klemm and Samuel H. Liu

Phys. Rev. Lett. 74, 2343 (1995) - Published 20 March, 1995

Use of Tricrystal Junctions to Probe the Pairing State Symmetry of YB $a_{2}$ C $u_{3}$ O $_{7 - δ}$

J. H. Miller, Jr., Q. Y. Ying, Z. G. Zou, N. Q. Fan, J. H. Xu, M. F. Davis, and J. C. Wolfe

Phys. Rev. Lett. 74, 2347 (1995) - Published 20 March, 1995

Mixed-State Hall Conductivity in High- $T_{c}$ Superconductors: Direct Evidence of Its Independence on Disorder

A. V. Samoilov, A. Legris, F. Rullier-Albenque, P. Lejay, S. Bouffard, Z. G. Ivanov, and L.-G. Johansson

Phys. Rev. Lett. 74, 2351 (1995) - Published 20 March, 1995

Strong, Asymmetric Flux Pinning by Miscut-Growth-Initiated Columnar Defects in Epitaxial ${{YBa}_{2} {Cu}_{3} O}_{7 - x}$ Films

D. H. Lowndes, D. K. Christen, C. E. Klabunde, Z. L. Wang, D. M. Kroeger, J. D. Budai, Shen Zhu, and D. P. Norton

Phys. Rev. Lett. 74, 2355 (1995) - Published 20 March, 1995

I-T Phase Diagram of Vortices in Layered Superconductors

Stephen W. Pierson

Phys. Rev. Lett. 74, 2359 (1995) - Published 20 March, 1995

Quantum Phase Transitions in XY Spin Models

Ferenc Pázmándi and Zbigniew Domański

Phys. Rev. Lett. 74, 2363 (1995) - Published 20 March, 1995

Competition between Antiferromagnetic Order and Spin-Liquid Behavior in the Two-Dimensional Periodic Anderson Model at Half Filling

M. Vekić, J. W. Cannon, D. J. Scalapino, R. T. Scalettar, and R. L. Sugar

Phys. Rev. Lett. 74, 2367 (1995) - Published 20 March, 1995

Core Hole Polarization in X-Ray Absorption Studied by Magnetic Circular Dichroism in $2 p 3 p 3 p$ Resonant Photoemission

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

Phys. Rev. Lett. 74, 2371 (1995) - Published 20 March, 1995

Quantum Spin Dynamics of an $S = 3 / 2$ Heisenberg Antiferromagnetic Chain: Inelastic Pulsed Neutron Scattering from CsVC $l_{3}$

Shinichi Itoh, Yasuo Endoh, Kazuhisa Kakurai, and Hidekazu Tanaka

Phys. Rev. Lett. 74, 2375 (1995) - Published 20 March, 1995

Cross-Disciplinary Physics

Gain Broadening of Two-Stage Tapered Gyrotron Traveling Wave Tube Amplifier

G. S. Park, J. J. Choi, S. Y. Park, C. M. Armstrong, A. K. Ganguly, R. H. Kyser, and R. K. Parker

Phys. Rev. Lett. 74, 2399 (1995) - Published 20 March, 1995

ERRATA

Edge Current in the Quantum Hall Effect

K. Shizuya

Phys. Rev. Lett. 74, 2403 (1995) - Published 20 March, 1995