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Physical Review Letters

Volume 54, Issue 15

15 April 1985

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HIGHLIGHTED ARTICLES

FEATURED IN PHYSICS

Spatial Self-Organization of Surface Structure during an Oscillating Catalytic Reaction

M. P. Cox, G. Ertl, and R. Imbihl

Phys. Rev. Lett. 54, 1725 (1985) - Published 15 April, 1985

LETTERS

General Physics

Repeated Contractive-State Position Measurements and the Standard Quantum Limit

Robert Lynch

Phys. Rev. Lett. 54, 1599 (1985) - Published 15 April, 1985

Levinson's Theorem and the Nodes of Zero-Energy Wave Functions for Potentials with Repulsive Coulomb Tails

Z. R. Iwinski, Leonard Rosenberg, and Larry Spruch

Phys. Rev. Lett. 54, 1602 (1985) - Published 15 April, 1985

Quantum Tunneling Rates for Asymmetric Double-Well Systems with Ohmic Dissipation

Hermann Grabert and Ulrich Weiss

Phys. Rev. Lett. 54, 1605 (1985) - Published 15 April, 1985

Dissipative Quantum Tunneling in a Biased Double-Well System at Finite Temperatures

Matthew P. A. Fisher and Alan T. Dorsey

Phys. Rev. Lett. 54, 1609 (1985) - Published 15 April, 1985

Intermittent Chaos and Low-Frequency Noise in the Driven Damped Pendulum

E. G. Gwinn and R. M. Westervelt

Phys. Rev. Lett. 54, 1613 (1985) - Published 15 April, 1985

Transition from Regular to Irregular Spectra in Quantum Billiards

T. Ishikawa and T. Yukawa

Phys. Rev. Lett. 54, 1617 (1985) - Published 15 April, 1985

Elementary Particles and Fields

Electroweak Effects in $e^{+} e^{-} \to τ^{+} τ^{-}$ at 29 GeV

E. Fernandez et al.

Phys. Rev. Lett. 54, 1620 (1985) - Published 15 April, 1985

Measurement of $τ$ Lifetime and Branching Ratios

E. Fernandez et al.

Phys. Rev. Lett. 54, 1624 (1985) - Published 15 April, 1985

Measurement of the $CP$ -Nonconservation Parameter $\frac{ε^{'}}{ε}$

J. K. Black, S. R. Blatt, M. K. Campbell, H. Kasha, M. Mannelli, M. P. Schmidt, C. B. Schwarz, R. K. Adair, R. C. Larsen, L. B. Leipuner, and W. M. Morse

Phys. Rev. Lett. 54, 1628 (1985) - Published 15 April, 1985

Measurement of $\frac{ε^{'}}{ε}$ in the Neutral Kaon System

R. H. Bernstein, G. J. Bock, D. Carlsmith, D. Coupal, J. W. Cronin, G. D. Gollin, Wen Keling, K. Nishikawa, H. W. M. Norton, B. Winstein, B. Peyaud, R. Turlay, and A. Zylberstejn

Phys. Rev. Lett. 54, 1631 (1985) - Published 15 April, 1985

Nuclei

High-Spin Evolution of Quasicontinuum $γ$ Radiation in ${}^{156}{Er}$

P. M. Stwertka, T. M. Cormier, M. G. Herman, and N. G. Nicolis

Phys. Rev. Lett. 54, 1635 (1985) - Published 15 April, 1985

Deuteron Photodisintegration Differential Cross Section between 100 and 220 MeV

E. De Sanctis, G. P. Capitani, P. Di Giacomo, C. Guaraldo, V. Lucherini, E. Polli, A. R. Reolon, R. Scrimaglio, M. Anghinolfi, P. Corvisiero, G. Ricco, M. Sanzone, and A. Zucchiatti

Phys. Rev. Lett. 54, 1639 (1985) - Published 15 April, 1985

Transverse Form Factors for ${}^{13}C (e, e) {}^{13}C (g . s .)$ and ${}^{13}C (e, e^{'}) {}^{13}C^{*} (15.11 MeV)$

M. K. Singham

Phys. Rev. Lett. 54, 1642 (1985) - Published 15 April, 1985

Higher-Order Correlations in Spectra of Complex Systems

Oriol Bohigas, Rizwan U. Haq, and Akhilesh Pandey

Phys. Rev. Lett. 54, 1645 (1985) - Published 15 April, 1985

Electron-Pair Creation on the Uranium Nucleus

N. K. Sherman, W. F. Davidson, A. Nowak, M. Kosaki, J. Roy, W. Delbianco, and G. Kajrys

Phys. Rev. Lett. 54, 1649 (1985) - Published 15 April, 1985

Charged-Particle Exclusive Analysis of Relativistic U + U Collisions

D. Beavis, S. Y. Fung, W. Gorn, D. Keane, Y. M. Liu, R. T. Poe, G. VanDalen, and M. Vient

Phys. Rev. Lett. 54, 1652 (1985) - Published 15 April, 1985

Fluids, Plasmas, and Electric Discharges

Absorption Physics at 351 nm in Spherical Geometry

M. C. Richardson, R. S. Craxton, J. Delettrez, R. L. Keck, R. L. McCrory, W. Seka, and J. M. Soures

Phys. Rev. Lett. 54, 1656 (1985) - Published 15 April, 1985

Laser Scattering from Dense Cesium Plasmas

O. L. Landen and R. J. Winfield

Phys. Rev. Lett. 54, 1660 (1985) - Published 15 April, 1985

Statistical Theory of Cubic Langmuir Turbulence

Guo-Zheng Sun, D. R. Nicholson, and Harvey A. Rose

Phys. Rev. Lett. 54, 1664 (1985) - Published 15 April, 1985

Decay Time and Instability Measurements of Plasmas Generated by Intense Relativistic Electron Beams

G. F. Kiuttu, R. J. Adler, R. J. Richter-Sand, and N. F. Roderick

Phys. Rev. Lett. 54, 1668 (1985) - Published 15 April, 1985

Observations of Toroidal Coupling for Low- $n$ Alfvén Modes in the TCA Tokamak

K. Appert, G. A. Collins, F. Hofmann, R. Keller, A. Lietti, J. B. Lister, A. Pochelon, and L. Villard

Phys. Rev. Lett. 54, 1671 (1985) - Published 15 April, 1985

Condensed Matter: Structure, Etc.

Cooperative Transport Effects in Electron-Irradiated Glasses

A. Miotello and P. Mazzoldi

Phys. Rev. Lett. 54, 1675 (1985) - Published 15 April, 1985

New Molecular-Dynamics Method for Metallic Systems

R. N. Barnett, C. L. Cleveland, and Uzi Landman

Phys. Rev. Lett. 54, 1679 (1985) - Published 15 April, 1985

Diffusivity of Hydrogen in Tantalum between 15 and 30 K

A. Weidinger and R. Peichl

Phys. Rev. Lett. 54, 1683 (1985) - Published 15 April, 1985

First Observation of the Undulation Mode in Birefringent Microemulsions by Quasielastic Light Scattering

Jean-Marc di Meglio, Maya Dvolaitzky, Liliane Leger, and Christiane Taupin

Phys. Rev. Lett. 54, 1686 (1985) - Published 15 April, 1985

Effects of Thermal Fluctuations on Systems with Small Surface Tension

L. Peliti and S. Leibler

Phys. Rev. Lett. 54, 1690 (1985) - Published 15 April, 1985

X-Ray Scattering Study of the Smectic- $A_{1}$ to Smectic- $A_{2}$ Transition

K. K. Chan, P. S. Pershan, L. B. Sorensen, and F. Hardouin

Phys. Rev. Lett. 54, 1694 (1985) - Published 15 April, 1985

Condensed Matter: Electronic Properties, Etc.

Two-Dimensional Electron-Positron Momentum Measurement at a Copper Single-Crystal Surface

R. H. Howell, P. Meyer, I. J. Rosenberg, and M. J. Fluss

Phys. Rev. Lett. 54, 1698 (1985) - Published 15 April, 1985

Positron or Positroniumlike Surface State on Al(100)?

K. G. Lynn, A. P. Mills, Jr., R. N. West, S. Berko, K. F. Canter, and L. O. Roellig

Phys. Rev. Lett. 54, 1702 (1985) - Published 15 April, 1985

Observation of Bulk and Edge Magnetoplasmons in a Two-Dimensional Electron Fluid

D. B. Mast, A. J. Dahm, and A. L. Fetter

Phys. Rev. Lett. 54, 1706 (1985) - Published 15 April, 1985

Dynamical Hall Effect in a Two-Dimensional Classical Plasma

D. C. Glattli, E. Y. Andrei, G. Deville, J. Poitrenaud, and F. I. B. Williams

Phys. Rev. Lett. 54, 1710 (1985) - Published 15 April, 1985

Evidence for an Incommensurate High-Field Phase in the Spin-Peierls System Tetrathiafulvalene-Au $S_{4}$ $C_{4}$ ${(C F_{3})}_{4}$

T. W. Hijmans, H. B. Brom, and L. J. de Jongh

Phys. Rev. Lett. 54, 1714 (1985) - Published 15 April, 1985

Flicker ( $\frac{1}{f}$ ) Noise in Percolation Networks: A New Hierarchy of Exponents

R. Rammal, C. Tannous, P. Breton, and A. -M. S. Tremblay

Phys. Rev. Lett. 54, 1718 (1985) - Published 15 April, 1985

Cross-Disciplinary Physics

Molecular Diffusion in a Microemulsion

M. T. Clarkson, D. Beaglehole, and P. T. Callaghan

Phys. Rev. Lett. 54, 1722 (1985) - Published 15 April, 1985

FEATURED IN PHYSICS

Spatial Self-Organization of Surface Structure during an Oscillating Catalytic Reaction

M. P. Cox, G. Ertl, and R. Imbihl

Phys. Rev. Lett. 54, 1725 (1985) - Published 15 April, 1985

COMMENTS

Saturation of Continuum-Continuum Transitions in Multiphoton Absorption

Kazimierz Rza̧żewski and Rainer Grobe

Phys. Rev. Lett. 54, 1729 (1985) - Published 15 April, 1985

Comment on "Quasicrystals: A New Class of Ordered Structures"

V. Elser

Phys. Rev. Lett. 54, 1730 (1985) - Published 15 April, 1985

Comment on "Dislocation-Loop Theory of the Nematic-Smectic $A$ -Smectic $C$ Multicritical Point"

Per Bak and R. Bruinsma

Phys. Rev. Lett. 54, 1731 (1985) - Published 15 April, 1985

Grinstein and Toner Respond

G. Grinstein and John Toner

Phys. Rev. Lett. 54, 1732 (1985) - Published 15 April, 1985

Fractals with Local Bridges

M. E. Cates

Phys. Rev. Lett. 54, 1733 (1985) - Published 15 April, 1985

Comment on "Fractons and the Fractal Structure of Proteins"

H. J. Stapleton

Phys. Rev. Lett. 54, 1734 (1985) - Published 15 April, 1985

Helman et al. Respond

J. S. Helman, A. Coniglio, and C. Tsallis

Phys. Rev. Lett. 54, 1735 (1985) - Published 15 April, 1985

ERRATA

Ultrasonic Study of the Breakdown of Conventional Hydrodynamics in the Smectic- $A$ Phase of Terephthal-bis- $p - p^{'}$ -Butylaniline (TBBA)

J. L. Gallani and P. Martinoty

Phys. Rev. Lett. 54, 1736 (1985) - Published 15 April, 1985

Critical Dimension of String Theories in Curved Space

Dennis Nemeschansky and Shimon Yankielowicz

Phys. Rev. Lett. 54, 1736 (1985) - Published 15 April, 1985

Inelastic Proton Scattering as a Test of the New Collective-"Current" $M 1$ Mode in Deformed Nuclei

J. A. Carr, F. Petrovich, R. J. Philpott, M. J. Threapleton, O. Scholten, and H. McManus

Phys. Rev. Lett. 54, 1736 (1985) - Published 15 April, 1985