Volume 65, Issue 24

10 December 1990

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HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

Spatiotemporal concentration patterns in a surface reaction: Propagating and standing waves, rotating spirals, and turbulence

S. Jakubith, H. H. Rotermund, W. Engel, A. von Oertzen, and G. Ertl

Phys. Rev. Lett. 65, 3013 (1990) - Published 10 December, 1990

LETTERS

General Physics

Convexity and exponent inequalities for conduction near percolation

K. Golden

Phys. Rev. Lett. 65, 2923 (1990) - Published 10 December, 1990

Quantum tunneling and chaos in a driven anharmonic oscillator

W. A. Lin and L. E. Ballentine

Phys. Rev. Lett. 65, 2927 (1990) - Published 10 December, 1990

Test of the linearity of quantum mechanics in optically pumped ${}^{201}{Hg}$

P. K. Majumder, B. J. Venema, S. K. Lamoreaux, B. R. Heckel, and E. N. Fortson

Phys. Rev. Lett. 65, 2931 (1990) - Published 10 December, 1990

Transition to chaos for random dynamical systems

Lei Yu, Edward Ott, and Qi Chen

Phys. Rev. Lett. 65, 2935 (1990) - Published 10 December, 1990

Elementary Particles and Fields

Weak-scale effective supersymmetry

L. J. Hall and L. Randall

Phys. Rev. Lett. 65, 2939 (1990) - Published 10 December, 1990

Effects of an anomalous ZWW vertex on Z decays

G. Bélanger, F. Boudjema, and D. London

Phys. Rev. Lett. 65, 2943 (1990) - Published 10 December, 1990

Hyperfine splitting of B mesons and $B_{s}$ production at the Υ(5S)

J. Lee-Franzini, U. Heintz, D. M. J. Lovelock, M. Narain, R. D. Schamberger, J. Willins, C. Yanagisawa, P. Franzini, and P. M. Tuts

Phys. Rev. Lett. 65, 2947 (1990) - Published 10 December, 1990

Factorization test using B $¯^{0}$ → $D^{* +}$ $π^{-}$ and an estimate of $f_{D s}$ using B→ ${DD}_{s}^{-}$

Daniela Bortoletto and Sheldon Stone

Phys. Rev. Lett. 65, 2951 (1990) - Published 10 December, 1990

Two-component approach to the ‘‘proton spin’’ puzzle in generalized Skyrme models

J. Schechter, V. Soni, A. Subbaraman, and H. Weigel

Phys. Rev. Lett. 65, 2955 (1990) - Published 10 December, 1990

Light-front Tamm-Dancoff field theory

Robert J. Perry, Avaroth Harindranath, and Kenneth G. Wilson

Phys. Rev. Lett. 65, 2959 (1990) - Published 10 December, 1990

Atomic parity violation as a probe of new physics

William J. Marciano and Jonathan L. Rosner

Phys. Rev. Lett. 65, 2963 (1990) - Published 10 December, 1990

Precision electroweak experiments and heavy physics: A global analysis

D. C. Kennedy and Paul Langacker

Phys. Rev. Lett. 65, 2967 (1990) - Published 10 December, 1990

Nuclear Physics

Chaos in the low-lying collective states of even-even nuclei

Y. Alhassid, A. Novoselsky, and N. Whelan

Phys. Rev. Lett. 65, 2971 (1990) - Published 10 December, 1990

New look at α decay of heavy nuclei

B. Buck, A. C. Merchant, and S. M. Perez

Phys. Rev. Lett. 65, 2975 (1990) - Published 10 December, 1990

Low-lying magnetic dipole excitations in actinide nuclei

Amand Faessler, Dao Tien Khoa, M. Grigorescu, and R. Nojarov

Phys. Rev. Lett. 65, 2978 (1990) - Published 10 December, 1990

Atomic, Molecular, and Optical Physics

Nonadiabatic behavior of the polarization of electric-field-induced Lyman-α radiation

O. Plotzke, U. Wille, R. Hippler, and H. O. Lutz

Phys. Rev. Lett. 65, 2982 (1990) - Published 10 December, 1990

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Exact solutions for the Saffman-Taylor problem with surface tension

Leo P. Kadanoff

Phys. Rev. Lett. 65, 2986 (1990) - Published 10 December, 1990

High-gain X-band dielectric Cherenkov maser

W. Peter, E. Garate, W. Main, and A. Fisher

Phys. Rev. Lett. 65, 2989 (1990) - Published 10 December, 1990

Nonlinear analysis of high-power Cherenkov masers

H. P. Freund

Phys. Rev. Lett. 65, 2993 (1990) - Published 10 December, 1990

Plasma and Beam Physics

Measurement of the Rayleigh-Taylor instability in targets driven by optically smoothed laser beams

M. Desselberger, O. Willi, M. Savage, and M. J. Lamb

Phys. Rev. Lett. 65, 2997 (1990) - Published 10 December, 1990

Pressure-driven sound turbulence in a high-β plasma

R. L. Stenzel

Phys. Rev. Lett. 65, 3001 (1990) - Published 10 December, 1990

Condensed Matter: Structure, Etc.

Very thin films of ${}^{3}{He}$ : A new phase

J. Xu and B. C. Crooker

Phys. Rev. Lett. 65, 3005 (1990) - Published 10 December, 1990

Interfacial Velocity in Electrochemical Deposition and the Hecker Transition

J. R. Melrose, D. B. Hibbert, and R. C. Ball

Phys. Rev. Lett. 65, 3009 (1990) - Published 10 December, 1990

FEATURED IN PHYSICS

Spatiotemporal concentration patterns in a surface reaction: Propagating and standing waves, rotating spirals, and turbulence

S. Jakubith, H. H. Rotermund, W. Engel, A. von Oertzen, and G. Ertl

Phys. Rev. Lett. 65, 3013 (1990) - Published 10 December, 1990

Microscopic theory for dilute quadrupole glasses

Michael W. Klein

Phys. Rev. Lett. 65, 3017 (1990) - Published 10 December, 1990

Interaction of the Pt(111) surface with adsorbed Xe atoms

J. E. Müller

Phys. Rev. Lett. 65, 3021 (1990) - Published 10 December, 1990

Domain-wall pinning in uniaxial phases of Pb adlayers on a Cu(110) surface

K. S. Liang, K. L. D’Amico, C. H. Lee, and E. Y. Sheu

Phys. Rev. Lett. 65, 3025 (1990) - Published 10 December, 1990

Condensed Matter: Electronic Properties, Etc.

Partial densities of states of alloys measured with x-ray-photoelectron diffraction: ${AuCu}_{3}$ (001)

A. Stuck, J. Osterwalder, T. Greber, S. Hüfner, and L. Schlapbach

Phys. Rev. Lett. 65, 3029 (1990) - Published 10 December, 1990

Femtosecond dynamics of excitons under extreme magnetic confinement

J. B. Stark, W. H. Knox, D. S. Chemla, W. Schäfer, S. Schmitt-Rink, and C. Stafford

Phys. Rev. Lett. 65, 3033 (1990) - Published 10 December, 1990

Observation of macroscopic quantum tunneling through the Coulomb energy barrier

L. J. Geerligs, D. V. Averin, and J. E. Mooij

Phys. Rev. Lett. 65, 3037 (1990) - Published 10 December, 1990

Spin polarization of thermoemitted electrons from cesiated Ni and Fe

A. Vaterlaus, F. Milani, and F. Meier

Phys. Rev. Lett. 65, 3041 (1990) - Published 10 December, 1990

Magnetic-moment formation and spin dynamics of isolated 4d ions in palladium

K. D. Gross, D. Riegel, and R. Zeller

Phys. Rev. Lett. 65, 3044 (1990) - Published 10 December, 1990

Resonant Raman scattering in ${YBa}_{2}$ ${Cu}_{3}$ $O_{7}$ : Band theory and experiment

E. T. Heyen, S. N. Rashkeev, I. I. Mazin, O. K. Andersen, R. Liu, M. Cardona, and O. Jepsen

Phys. Rev. Lett. 65, 3048 (1990) - Published 10 December, 1990

Ultrasonic attenuation by the vortex lattice of high- $T_{c}$ superconductors

J. Pankert, G. Marbach, A. Comberg, P. Lemmens, P. Fröning, and S. Ewert

Phys. Rev. Lett. 65, 3052 (1990) - Published 10 December, 1990

Angle-resolved-photoemission study of ${Bi}_{2}$ ${Sr}_{2}$ ${CaCu}_{2}$ $O_{8 + δ}$ : Metallicity of the Bi-O plane

B. O. Wells, Z.-X. Shen, D. S. Dessau, W. E. Spicer, C. G. Olson, D. B. Mitzi, A. Kapitulnik, R. S. List, and A. Arko

Phys. Rev. Lett. 65, 3056 (1990) - Published 10 December, 1990

Pinning by oxygen vacancies in high- $T_{c}$ superconductors

E. M. Chudnovsky

Phys. Rev. Lett. 65, 3060 (1990) - Published 10 December, 1990

COMMENTS

Comment on ‘‘Twisted boundary conditions and effective mass in Heisenberg-Ising and Hubbard rings’’

Norio Kawakami and Sung-Kil Yang

Phys. Rev. Lett. 65, 3063 (1990) - Published 10 December, 1990

Comment on ‘‘Physical mechanisms underlying neurite outgrowth: A quantitative analysis of neuronal shape’’

D. Kleinfeld, F. Raccuia-Behling, and G. E. Blonder

Phys. Rev. Lett. 65, 3064 (1990) - Published 10 December, 1990