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Physical Review Letters

Volume 78, Issue 4

27 January 1997

Browse Issues:

LETTERS

General Physics

Relations between Markov Processes via Local Time and Coordinate Transformations

A. Pelster and H. Kleinert

Phys. Rev. Lett. 78, 565 (1997) - Published 27 January, 1997

Solutions to the Time Dependent Schrödinger and the Kadomtsev-Petviashvili Equations

Mark J. Ablowitz and Javier Villarroel

Phys. Rev. Lett. 78, 570 (1997) - Published 27 January, 1997

Inseparable Two Spin- $\frac{1}{2}$ Density Matrices Can Be Distilled to a Singlet Form

Michał Horodecki, Paweł Horodecki, and Ryszard Horodecki

Phys. Rev. Lett. 78, 574 (1997) - Published 27 January, 1997

Semiclassical Description of Nonadiabatic Quantum Dynamics

Gerhard Stock and Michael Thoss

Phys. Rev. Lett. 78, 578 (1997) - Published 27 January, 1997

Output Coupler for Bose-Einstein Condensed Atoms

M.-O. Mewes, M. R. Andrews, D. M. Kurn, D. S. Durfee, C. G. Townsend, and W. Ketterle

Phys. Rev. Lett. 78, 582 (1997) - Published 27 January, 1997

Production of Two Overlapping Bose-Einstein Condensates by Sympathetic Cooling

C. J. Myatt, E. A. Burt, R. W. Ghrist, E. A. Cornell, and C. E. Wieman

Phys. Rev. Lett. 78, 586 (1997) - Published 27 January, 1997

Tight Binding Hamiltonians and Quantum Turing Machines

Paul Benioff

Phys. Rev. Lett. 78, 590 (1997) - Published 27 January, 1997

Elementary Particles and Fields

Virtual Top-Quark Effects on the $H \to b \bar{b}$ Decay at Next-to-Leading Order in QCD

K. G. Chetyrkin, B. A. Kniehl, and M. Steinhauser

Phys. Rev. Lett. 78, 594 (1997) - Published 27 January, 1997

Which Chiral Symmetry is Restored in High Temperature Quantum Chromodynamics?

Claude Bernard, Tom Blum, Carleton DeTar, Steven Gottlieb, Urs M. Heller, James E. Hetrick, K. Rummukainen, R. Sugar, D. Toussaint, and Matthew Wingate

Phys. Rev. Lett. 78, 598 (1997) - Published 27 January, 1997

Static Quark-Antiquark Potential in QCD to Three Loops

Markus Peter

Phys. Rev. Lett. 78, 602 (1997) - Published 27 January, 1997

Measurement of the $E 2 / M 1$ Ratio in the $N \to Δ$ Transition using the reaction $p (\vec{γ}, p) π^{o}$

R. Beck, H. P. Krahn, J. Ahrens, H. J. Arends, G. Audit, A. Braghieri, N. d'Hose, S. J. Hall, V. Isbert, J. D. Kellie, I. J. D. MacGregor, P. Pedroni, T. Pinelli, G. Tamas, Th. Walcher, and S. Wartenberg

Phys. Rev. Lett. 78, 606 (1997) - Published 27 January, 1997

Gauge-Invariant Decomposition of Nucleon Spin

Xiangdong Ji

Phys. Rev. Lett. 78, 610 (1997) - Published 27 January, 1997

Nuclear Physics

Interband Transitions between Superdeformed Bands in $^{87}$ Nb: Evidence for a Superintruder Orbital

D. R. LaFosse, M. Devlin, M. Korolija, F. Lerma, D. G. Sarantites, Y. A. Akovali, C. Baktash, C. J. Gross, D. W. Stracener, J. Döring, G. D. Johns, S. L. Tabor, F. E. Durham, I. Y. Lee, A. O. Macchiavelli, and W. Rathbun

Phys. Rev. Lett. 78, 614 (1997) - Published 27 January, 1997

Search for Monoenergetic Positron Emission from Heavy-Ion Collisions at Coulomb-Barrier Energies

I. Ahmad et al. (APEX Collaboration)

Phys. Rev. Lett. 78, 618 (1997) - Published 27 January, 1997

Atomic, Molecular, and Optical Physics

Experimental Verification of the Shift of the Cesium Hyperfine Transition Frequency due to Blackbody Radiation

Andreas Bauch and Roland Schröder

Phys. Rev. Lett. 78, 622 (1997) - Published 27 January, 1997

Measurement of the Initial Condition of Electrons Ionized by a Linearly Polarized, High-Intensity Laser

S. J. McNaught, J. P. Knauer, and D. D. Meyerhofer

Phys. Rev. Lett. 78, 626 (1997) - Published 27 January, 1997

Cooling and Localization Dynamics in Optical Lattices

G. Raithel, G. Birkl, A. Kastberg, W. D. Phillips, and S. L. Rolston

Phys. Rev. Lett. 78, 630 (1997) - Published 27 January, 1997

Quantum Nondemolition Measurements using Cold Trapped Atoms

J.-F. Roch, K. Vigneron, Ph. Grelu, A. Sinatra, J.-Ph. Poizat, and Ph. Grangier

Phys. Rev. Lett. 78, 634 (1997) - Published 27 January, 1997

High Harmonic Generation from Ultrafast Pump Lasers

Kenneth J. Schafer and Kenneth C. Kulander

Phys. Rev. Lett. 78, 638 (1997) - Published 27 January, 1997

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Failure of the Quasimonochromatic Approximation for Ultrashort Pulse Propagation in a Dispersive, Attenuative Medium

Kurt E. Oughstun and Hong Xiao

Phys. Rev. Lett. 78, 642 (1997) - Published 27 January, 1997

Theory of Incoherent Self-Focusing in Biased Photorefractive Media

Demetrios N. Christodoulides, Tamer H. Coskun, Matthew Mitchell, and Mordechai Segev

Phys. Rev. Lett. 78, 646 (1997) - Published 27 January, 1997

Layer-Mean Quantities, Local Conservation Laws, and Vorticity

Roberto Camassa and C. David Levermore

Phys. Rev. Lett. 78, 650 (1997) - Published 27 January, 1997

Waiting-Time Behavior for Large Angle Wedges of Viscous Liquids

L. P. Thomas, B. M. Marino, and R. Gratton

Phys. Rev. Lett. 78, 654 (1997) - Published 27 January, 1997

Absolute and Convective Secondary Instabilities in Spatially Periodic Shear Flows

P. Brancher and J. M. Chomaz

Phys. Rev. Lett. 78, 658 (1997) - Published 27 January, 1997

Turbulent Convection in a Spectral Model

V. M. Canuto, M. S. Dubovikov, and A. Dienstfrey

Phys. Rev. Lett. 78, 662 (1997) - Published 27 January, 1997

Physical Regimes and Dimensional Structure of Rotating Turbulence

V. M. Canuto and M. S. Dubovikov

Phys. Rev. Lett. 78, 666 (1997) - Published 27 January, 1997

Plasma and Beam Physics

Transient Filamentation of a Laser Beam in a Thermal Force Dominated Plasma

A. K. Lal, K. A. Marsh, C. E. Clayton, C. Joshi, C. J. McKinstrie, J. S. Li, and T. W. Johnston

Phys. Rev. Lett. 78, 670 (1997) - Published 27 January, 1997

Helical Plasma Confinement Devices with Good Confinement Properties

John R. Cary and Svetlana G. Shasharina

Phys. Rev. Lett. 78, 674 (1997) - Published 27 January, 1997

Condensed Matter: Structure, Etc.

Role of Covalent Tip-Surface Interactions in Noncontact Atomic Force Microscopy on Reactive Surfaces

Rubén Pérez, Michael C. Payne, Ivan Štich, and Kiyoyuki Terakura

Phys. Rev. Lett. 78, 678 (1997) - Published 27 January, 1997

Fluctuations in Confined Liquid Crystals above Nematic-Isotropic Phase Transition Temperature

P. Ziherl and S. Z̆umer

Phys. Rev. Lett. 78, 682 (1997) - Published 27 January, 1997

Dimensions of Polymer Chains in Critical Semidilute Solutions

Yu. B. Melnichenko and G. D. Wignall

Phys. Rev. Lett. 78, 686 (1997) - Published 27 January, 1997

Morphology of Pores and Interfaces and Mechanical Behavior of Nanocluster-Assembled Silicon Nitride Ceramic

Rajiv K. Kalia, Aiichiro Nakano, Kenji Tsuruta, and Priya Vashishta

Phys. Rev. Lett. 78, 689 (1997) - Published 27 January, 1997

Lattice Dynamics of Icosahedral $α$ -Boron under Pressure

N. Vast, S. Baroni, G. Zerah, J. M. Besson, A. Polian, M. Grimsditch, and J. C. Chervin

Phys. Rev. Lett. 78, 693 (1997) - Published 27 January, 1997

Activation Volume for Hf Diffusion in an Amorphous N $i_{0.54}$ Z $r_{0.46}$ Alloy

A. Grandjean, P. Blanchard, and Y. Limoge

Phys. Rev. Lett. 78, 697 (1997) - Published 27 January, 1997

Condensed Matter: Electronic Properties, Etc.

Nonuniversal Corrections to the Level Curvature Distribution beyond Random Matrix Theory

I. V. Yurkevich and V. E. Kravtsov

Phys. Rev. Lett. 78, 701 (1997) - Published 27 January, 1997

Suppression of Conductance in Surface Superlattices by Temperature and Electric Field

A. Messica, A. Soibel, U. Meirav, Ady Stern, Hadas Shtrikman, V. Umansky, and D. Mahalu

Phys. Rev. Lett. 78, 705 (1997) - Published 27 January, 1997

Interaction-Induced Oscillations of the Tunneling Density of States in a Nonquantizing Magnetic Field

A. M. Rudin, I. L. Aleiner, and L. I. Glazman

Phys. Rev. Lett. 78, 709 (1997) - Published 27 January, 1997

Superconductivity-Induced Anomalies in the Spin Excitation Spectra of Underdoped YB $a_{2}$ C $u_{3}$ $O_{6 + x}$

H. F. Fong, B. Keimer, D. L. Milius, and I. A. Aksay

Phys. Rev. Lett. 78, 713 (1997) - Published 27 January, 1997

Single Hole Dynamics in the ${CuO}_{2}$ Plane at Half Filling

J. J. M. Pothuizen, R. Eder, N. T. Hien, M. Matoba, A. A. Menovsky, and G. A. Sawatzky

Phys. Rev. Lett. 78, 717 (1997) - Published 27 January, 1997

NMR Evidence for a $d$ -Wave Normal-State Pseudogap

G. V. M. Williams, J. L. Tallon, E. M. Haines, R. Michalak, and R. Dupree

Phys. Rev. Lett. 78, 721 (1997) - Published 27 January, 1997

Empty $4 f^{1}$ -State Magneto-Optical Spectroscopy in LaSe

R. Pittini, J. Schoenes, F. Hulliger, and P. Wachter

Phys. Rev. Lett. 78, 725 (1997) - Published 27 January, 1997

Cooperative Emission in $π$ -Conjugated Polymer Thin Films

S. V. Frolov, W. Gellermann, M. Ozaki, K. Yoshino, and Z. V. Vardeny

Phys. Rev. Lett. 78, 729 (1997) - Published 27 January, 1997

Factors Influencing Stimulated Emission from Poly( $p$ -phenylenevinylene)

G. J. Denton, N. Tessler, N. T. Harrison, and R. H. Friend

Phys. Rev. Lett. 78, 733 (1997) - Published 27 January, 1997

Heavy-Light Hole Quantum Beats in the Band-to-Band Continuum of GaAs Observed in 20 Femtosecond Pump-Probe Experiments

Markus Joschko, Michael Woerner, Thomas Elsaesser, Eberhard Binder, Tilmann Kuhn, R. Hey, H. Kostial, and K. Ploog

Phys. Rev. Lett. 78, 737 (1997) - Published 27 January, 1997

Cross-Disciplinary Physics

Fluctuation-Dominated Kinetics under Stirring

R. Reigada, F. Sagués, I. M. Sokolov, J. M. Sancho, and A. Blumen

Phys. Rev. Lett. 78, 741 (1997) - Published 27 January, 1997

Excitation Waves on Cylindrical Surfaces: Rotor Competition and Vortex Drift

Oliver Steinbock

Phys. Rev. Lett. 78, 745 (1997) - Published 27 January, 1997

COMMENTS

Comment on “Electron Correlation in Multiple Excitation of Atoms by High-Energy Ions”

J. F. Reading, T. Bronk, and A. L. Ford

Phys. Rev. Lett. 78, 749 (1997) - Published 27 January, 1997

Martín and Salin Reply:

F. Martín and A. Salin

Phys. Rev. Lett. 78, 750 (1997) - Published 27 January, 1997

Comment on “Moving Glass Phase of Driven Lattices”

Leon Balents, M. Cristina Marchetti, and Leo Radzihovsky

Phys. Rev. Lett. 78, 751 (1997) - Published 27 January, 1997

Giamarchi and Le Doussal Reply:

T. Giamarchi and Pierre Le Doussal

Phys. Rev. Lett. 78, 752 (1997) - Published 27 January, 1997

ERRATA

Giant K Doubling in the Infrared Spectrum of C $H_{3}$ OH: A Sensitive Probe for C $H_{3}$ -Rock/CO-Stretch/OH-Bend Vibrational Coupling [Phys. Rev. Lett. 75, 3645 (1995)]

R. M. Lees

Phys. Rev. Lett. 78, 753 (1997) - Published 27 January, 1997

Numerical Simulation of Three-Dimensional Dendritic Growth[Phys. Rev. Lett. 77, 4050 (1996)]

Alain Karma and Wouter-Jan Rappel

Phys. Rev. Lett. 78, 753 (1997) - Published 27 January, 1997