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Physical Review Letters

Volume 79, Issue 17

27 October 1997

Browse Issues:

LETTERS

General Physics

Quantum Zeno Effect Induced by Collisions

B. Nagels, L. J. F. Hermans, and P. L. Chapovsky

Phys. Rev. Lett. 79, 3097 (1997) - Published 27 October, 1997

Dissipative Quantum Dynamics with a Lindblad Functional

Shiwu Gao

Phys. Rev. Lett. 79, 3101 (1997) - Published 27 October, 1997

“Stability Signature” in Two-Species Dilute Bose-Einstein Condensates

C. K. Law, H. Pu, N. P. Bigelow, and J. H. Eberly

Phys. Rev. Lett. 79, 3105 (1997) - Published 27 October, 1997

Experiments on Critical Phenomena in a Noisy Exit Problem

D. G. Luchinsky, R. S. Maier, R. Mannella, P. V. E. McClintock, and D. L. Stein

Phys. Rev. Lett. 79, 3109 (1997) - Published 27 October, 1997

Fluctuations, Escape, and Nucleation in Driven Systems: Logarithmic Susceptibility

V. N. Smelyanskiy, M. I. Dykman, H. Rabitz, and B. E. Vugmeister

Phys. Rev. Lett. 79, 3113 (1997) - Published 27 October, 1997

Asymmetric Cycling and Biased Movement of Brownian Particles in Fluctuating Symmetric Potentials

Yi-der Chen

Phys. Rev. Lett. 79, 3117 (1997) - Published 27 October, 1997

Gravitation and Astrophysics

Observables of Euclidean Supergravity

Ion V. Vancea

Phys. Rev. Lett. 79, 3121 (1997) - Published 27 October, 1997

Elementary Particles and Fields

Observation of Exclusive $B$ Decays to Final States Containing a Charmed Baryon

X. Fu et al. (CLEO Collaboration)

Phys. Rev. Lett. 79, 3125 (1997) - Published 27 October, 1997

Nonperturbative Debye Mass in Finite Temperature QCD

K. Kajantie, M. Laine, J. Peisa, A. Rajantie, K. Rummukainen, and M. Shaposhnikov

Phys. Rev. Lett. 79, 3130 (1997) - Published 27 October, 1997

Nuclear Physics

Search for a Dirac Magnetic Monopole in High Energy Nucleus-Nucleus Collisions

Y. D. He

Phys. Rev. Lett. 79, 3134 (1997) - Published 27 October, 1997

Dissipation and Fluctuation at the Chiral Phase Transition

Tamás S. Biró and Carsten Greiner

Phys. Rev. Lett. 79, 3138 (1997) - Published 27 October, 1997

Atomic, Molecular, and Optical Physics

Electronic Structure Critical Parameters From Finite-Size Scaling

Juan Pablo Neirotti, Pablo Serra, and Sabre Kais

Phys. Rev. Lett. 79, 3142 (1997) - Published 27 October, 1997

Direct Measurement of The Spatial Correlation Function of Ultracold Atoms

B. Saubaméa, T. W. Hijmans, S. Kulin, E. Rasel, E. Peik, M. Leduc, and C. Cohen-Tannoudji

Phys. Rev. Lett. 79, 3146 (1997) - Published 27 October, 1997

Femtosecond Dissociation of Core-Excited HCl Monitored by Frequency Detuning

O. Björneholm, S. Sundin, S. Svensson, R. R. T. Marinho, A. Naves de Brito, F. Gel'mukhanov, and H. Ågren

Phys. Rev. Lett. 79, 3150 (1997) - Published 27 October, 1997

Electric Field Induced Dissociation of Molecules in Rydberg-like Highly Vibrationally Excited Ion-Pair States

J. D. D. Martin and J. W. Hepburn

Phys. Rev. Lett. 79, 3154 (1997) - Published 27 October, 1997

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Subharmonic Entrainment of Unstable Period Orbits and Generalized Synchronization

Ulrich Parlitz, Lutz Junge, and Ljupco Kocarev

Phys. Rev. Lett. 79, 3158 (1997) - Published 27 October, 1997

Recall and Creation of Spatial Excitation Distributions in Dielectric Media

Jennifer R. Csesznegi and Rainer Grobe

Phys. Rev. Lett. 79, 3162 (1997) - Published 27 October, 1997

Energy Velocity of Diffusing Waves in Strongly Scattering Media

H. P. Schriemer, M. L. Cowan, J. H. Page, Ping Sheng, Zhengyou Liu, and D. A. Weitz

Phys. Rev. Lett. 79, 3166 (1997) - Published 27 October, 1997

The Aharonov-Bohm Effect Revisited by an Acoustic Time-Reversal Mirror

Philippe Roux, Julien de Rosny, Mickael Tanter, and Mathias Fink

Phys. Rev. Lett. 79, 3170 (1997) - Published 27 October, 1997

Fusion Rules in Navier-Stokes Turbulence: First Experimental Tests

Adrienne L. Fairhall, Brindesh Dhruva, Victor S. L'vov, Itamar Procaccia, and Katepalli R. Sreenivasan

Phys. Rev. Lett. 79, 3174 (1997) - Published 27 October, 1997

Linear Mechanism of Wave Emergence from Vortices in Smooth Shear Flows

G. D. Chagelishvili, A. G. Tevzadze, G. Bodo, and S. S. Moiseev

Phys. Rev. Lett. 79, 3178 (1997) - Published 27 October, 1997

Method for Total Inversion Applied to an Extended Hydrodynamical System

J. M. Fullana and S. Zaleski

Phys. Rev. Lett. 79, 3182 (1997) - Published 27 October, 1997

Plasma and Beam Physics

A Trapped Photoelectron Instability in Electron and Positron Storage Rings

T. Holmquist and J. T. Rogers

Phys. Rev. Lett. 79, 3186 (1997) - Published 27 October, 1997

Radiative Properties of a Low Atomic Number Hohlraum

J. P. Apruzese, R. W. Clark, J. Davis, and P. C. Kepple

Phys. Rev. Lett. 79, 3190 (1997) - Published 27 October, 1997

Observation of Solid-Density Laminar Plasma Transparency to Intense 30 Femtosecond Laser Pulses

D. Giulietti, L. A. Gizzi, A. Giulietti, A. Macchi, D. Teychenné, P. Chessa, A. Rousse, G. Cheriaux, J. P. Chambaret, and G. Darpentigny

Phys. Rev. Lett. 79, 3194 (1997) - Published 27 October, 1997

Condensed Matter: Structure, Etc.

Effects of Pressure on Diffusion and Vacancy Formation in MgO from Nonempirical Free-Energy Integrations

Joel Ita and Ronald E. Cohen

Phys. Rev. Lett. 79, 3198 (1997) - Published 27 October, 1997

Statistical Properties of Fracture Precursors

A. Garcimartín, A. Guarino, L. Bellon, and S. Ciliberto

Phys. Rev. Lett. 79, 3202 (1997) - Published 27 October, 1997

Dispersity-Driven Melting Transition in Two-Dimensional Solids

M. Reza Sadr-Lahijany, Purusattam Ray, and H. Eugene Stanley

Phys. Rev. Lett. 79, 3206 (1997) - Published 27 October, 1997

Island Diffusion and Coarsening on Metal (100) Surfaces

Woei Wu Pai, Anna K. Swan, Zhenyu Zhang, and J. F. Wendelken

Phys. Rev. Lett. 79, 3210 (1997) - Published 27 October, 1997

Condensed Matter: Electronic Properties, Etc.

Renormalization Group Analysis of the Spin-Gap Phase in the One-Dimensional $t$ - $J$ Model

Masaaki Nakamura, Kiyohide Nomura, and Atsuhiro Kitazawa

Phys. Rev. Lett. 79, 3214 (1997) - Published 27 October, 1997

Metal-Insulator Transition in ${PrRu}_{4} P_{12}$ with Skutterudite Structure

C. Sekine, T. Uchiumi, I. Shirotani, and T. Yagi

Phys. Rev. Lett. 79, 3218 (1997) - Published 27 October, 1997

Coherent Control of the Optical Orientation of Excitons in Quantum Wells

X. Marie, P. Le Jeune, T. Amand, M. Brousseau, J. Barrau, M. Paillard, and R. Planel

Phys. Rev. Lett. 79, 3222 (1997) - Published 27 October, 1997

Resonant Magnetopolaron Effects due to Interface Phonons in $GaAs / AlGaAs$ Multiple Quantum Well Structures

Y. J. Wang, H. A. Nickel, B. D. McCombe, F. M. Peeters, J. M. Shi, G. Q. Hai, X.-G. Wu, T. J. Eustis, and W. Schaff

Phys. Rev. Lett. 79, 3226 (1997) - Published 27 October, 1997

Evidence for $O_{2 p}$ Hole-Driven Conductivity in ${La}_{1 - x} {Sr}_{x} {MnO}_{3}$ $(0 \leq x \leq 0.7)$ and ${La}_{0.7} {Sr}_{0.3} {MnO}_{z}$ Thin Films

H. L. Ju, H.-C. Sohn, and Kannan M. Krishnan

Phys. Rev. Lett. 79, 3230 (1997) - Published 27 October, 1997

Pressure-Induced Polaronic to Itinerant Electronic Transition in ${La}_{1 - x} {Sr}_{x} {MnO}_{3}$ Crystals

J.-S. Zhou, J. B. Goodenough, A. Asamitsu, and Y. Tokura

Phys. Rev. Lett. 79, 3234 (1997) - Published 27 October, 1997

Magnetization and Energy Gaps of a High-Mobility 2D Electron Gas in the Quantum Limit

S. A. J. Wiegers, M. Specht, L. P. Lévy, M. Y. Simmons, D. A. Ritchie, A. Cavanna, B. Etienne, G. Martinez, and P. Wyder

Phys. Rev. Lett. 79, 3238 (1997) - Published 27 October, 1997

Temperature-Dependent Crossover in Fractional Quantum Hall Edges in the Presence of Coulomb Interaction

Wenjun Zheng and Yue Yu

Phys. Rev. Lett. 79, 3242 (1997) - Published 27 October, 1997

$C_{60}$ Exciton Quenching near Metal Surfaces

Klaus Kuhnke, René Becker, Maximilian Epple, and Klaus Kern

Phys. Rev. Lett. 79, 3246 (1997) - Published 27 October, 1997

Giant Andreev Backscattering through a Quantum Point Contact Coupled via a Disordered Two-Dimensional Electron Gas to Superconductors

S. G. den Hartog, B. J. van Wees, Yu. V. Nazarov, T. M. Klapwijk, and G. Borghs

Phys. Rev. Lett. 79, 3250 (1997) - Published 27 October, 1997

Percolation Transition in the Random Antiferromagnetic Spin-1 Chain

C. Monthus, O. Golinelli, and Th. Jolicœur

Phys. Rev. Lett. 79, 3254 (1997) - Published 27 October, 1997

Mössbauer Observation of the Quantum Levels of ${Fe}^{3 +}$ Ions Doped in 1D Ising Ferromagnet C $a_{3}$ C $o_{2}$ $O_{6}$

H. Kageyama, S. Kawasaki, K. Mibu, M. Takano, K. Yoshimura, and K. Kosuge

Phys. Rev. Lett. 79, 3258 (1997) - Published 27 October, 1997

Coherent Control of Light Absorption and Carrier Dynamics in Semiconductor Nanostructures

W. Pötz

Phys. Rev. Lett. 79, 3262 (1997) - Published 27 October, 1997

Strong Correlation Effects in the ( $3 \times 3$ ) Charge Density Wave Phase of Sn/Ge(111)

A. Goldoni and S. Modesti

Phys. Rev. Lett. 79, 3266 (1997) - Published 27 October, 1997

Cross-Disciplinary Physics

Strong Alignment Observed for the Time-Reversed Photoionization Process Studied in Relativistic Collisions with Bare Uranium Ions

Th. Stöhlker, F. Bosch, A. Gallus, C. Kozhuharov, G. Menzel, P. H. Mokler, H. T. Prinz, J. Eichler, A. Ichihara, T. Shirai, R. W. Dunford, T. Ludziejewski, P. Rymuza, Z. Stachura, P. Swiat, and A. Warczak

Phys. Rev. Lett. 79, 3270 (1997) - Published 27 October, 1997

Intramolecular and Intermolecular Signatures of Incipient Ordering in a Multicomponent Polymer Blend

H. S. Jeon, J. H. Lee, and N. P. Balsara

Phys. Rev. Lett. 79, 3274 (1997) - Published 27 October, 1997

Scaling Relationships in Agglomeration and Annihilation Models

Michael R. Swift, Francesca Colaiori, Alessandro Flammini, Amos Maritan, Achille Giacometti, and Jayanth R. Banavar

Phys. Rev. Lett. 79, 3278 (1997) - Published 27 October, 1997

Particle Tracking Microrheology of Complex Fluids

T. G. Mason, K. Ganesan, J. H. van Zanten, D. Wirtz, and S. C. Kuo

Phys. Rev. Lett. 79, 3282 (1997) - Published 27 October, 1997

Microscopic Viscoelasticity: Shear Moduli of Soft Materials Determined from Thermal Fluctuations

F. Gittes, B. Schnurr, P. D. Olmsted, F. C. MacKintosh, and C. F. Schmidt

Phys. Rev. Lett. 79, 3286 (1997) - Published 27 October, 1997

Wetting of Emulsions Droplets: From Macroscopic to Colloidal Scale

P. Poulin and J. Bibette

Phys. Rev. Lett. 79, 3290 (1997) - Published 27 October, 1997

Biomolecular Electronics: Vectorial Arrays of Photosynthetic Reaction Centers

Ida Lee, James W. Lee, and Elias Greenbaum

Phys. Rev. Lett. 79, 3294 (1997) - Published 27 October, 1997

Evolution on a Rugged Landscape: Pinning and Aging

I. Aranson, L. Tsimring, and V. Vinokur

Phys. Rev. Lett. 79, 3298 (1997) - Published 27 October, 1997

Speciation as Pattern Formation by Competition in a Smooth Fitness Landscape

Franco Bagnoli and Michele Bezzi

Phys. Rev. Lett. 79, 3302 (1997) - Published 27 October, 1997

Noiseless Quantum Codes

P. Zanardi and M. Rasetti

Phys. Rev. Lett. 79, 3306 (1997) - Published 27 October, 1997

COMMENTS

Comment on “Direct Experimental Evidence of Nonequilibrium Energy Sharing in Dissipative Collisions”

S. Chattopadhyay

Phys. Rev. Lett. 79, 3310 (1997) - Published 27 October, 1997

Casini et al. Reply:

G. Casini, P. R. Maurenzig, A. Olmi, M. Bini, S. Calamai, F. Meucci, G. Pasquali, G. Poggi, A. A. Stefanini, A. Gobbi, and K. D. Hildenbrand

Phys. Rev. Lett. 79, 3311 (1997) - Published 27 October, 1997

Comment on “Structure of the As Vacancies on GaAs(110) Surfaces”

J. Harper, G. Lengel, R. E. Allen, and M. Weimer

Phys. Rev. Lett. 79, 3312 (1997) - Published 27 October, 1997

Zhang and Zunger Reply:

S. B. Zhang and Alex Zunger

Phys. Rev. Lett. 79, 3313 (1997) - Published 27 October, 1997

Comment on ``Theoretical Scanning Tunneling Microscopy Images of the As Vacancy on the GaAs(110) Surface''

J. Harper, G. Lengel, R. E. Allen, and M. Weimer

Phys. Rev. Lett. 79, 3314 (1997) - Published 27 October, 1997

Kim and Chelikowsky Reply:

Hanchul Kim and James R. Chelikowsky

Phys. Rev. Lett. 79, 3315 (1997) - Published 27 October, 1997

Comment on “Quantum Phase Slips and Transport in Ultrathin Superconducting Wires”

Ji-Min Duan

Phys. Rev. Lett. 79, 3316 (1997) - Published 27 October, 1997

Zaikin et al. Reply:

A. D. Zaikin, D. S. Golubev, A. van Otterlo, and G. T. Zimányi

Phys. Rev. Lett. 79, 3317 (1997) - Published 27 October, 1997