Volume 72, Issue 18

2 May 1994

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LETTERS

General Physics

Chern-Simons diffusion layers? Short wavelength dynamics determined by gauge invariance

Mark Burgess

Phys. Rev. Lett. 72, 2823 (1994) - Published 2 May, 1994

Fluctuations of the probability density of diffusing particles for different realizations of a random medium

E. Eisenberg, S. Havlin, and G. H. Weiss

Phys. Rev. Lett. 72, 2827 (1994) - Published 2 May, 1994

Elementary Particles and Fields

Solution to the small-phase problem of supersymmetry

K. S. Babu and S. M. Barr

Phys. Rev. Lett. 72, 2831 (1994) - Published 2 May, 1994

Nuclear Physics

Temperature dependence of the nucleon effective mass and the physics of stellar collapse

P. Donati, P. M. Pizzochero, P. F. Bortignon, and R. A. Broglia

Phys. Rev. Lett. 72, 2835 (1994) - Published 2 May, 1994

Chaos-driven decay of nuclear giant resonances: Quantum route to self-organization

S. Drożdż, S. Nishizaki, and J. Wambach

Phys. Rev. Lett. 72, 2839 (1994) - Published 2 May, 1994

Atomic, Molecular, and Optical Physics

Precision measurement of the metastable 6s [3/2 $]_{2}$ lifetime in xenon

M. Walhout, A. Witte, and S. L. Rolston

Phys. Rev. Lett. 72, 2843 (1994) - Published 2 May, 1994

Electron-ion coincidence spectroscopy on atomic barium in the excitation range of the 4d giant resonance

S. Baier, G. Gottschalk, T. Kerkau, T. Luhmann, M. Martins, M. Richter, G. Snell, and P. Zimmermann

Phys. Rev. Lett. 72, 2847 (1994) - Published 2 May, 1994

Plateau in above threshold ionization spectra

G. G. Paulus, W. Nicklich, Huale Xu, P. Lambropoulos, and H. Walther

Phys. Rev. Lett. 72, 2851 (1994) - Published 2 May, 1994

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Semiquantal dynamics of fluctuations: Ostensible quantum chaos

Arjendu K. Pattanayak and William C. Schieve

Phys. Rev. Lett. 72, 2855 (1994) - Published 2 May, 1994

Exit times and chaotic transport in Hamiltonian systems

Sadruddin Benkadda, Yves Elskens, Brigitte Ragot, and Jose Tito Mendonça

Phys. Rev. Lett. 72, 2859 (1994) - Published 2 May, 1994

Optical diffraction in chiral smectic-C liquid crystals

K. A. Suresh, Yuvaraj Sah, P. B. Sunil Kumar, and G. S. Ranganath

Phys. Rev. Lett. 72, 2863 (1994) - Published 2 May, 1994

Scale invariant mixing rates of hydrodynamically unstable interfaces

Uri Alon, Jacob Hecht, David Mukamel, and Dov Shvarts

Phys. Rev. Lett. 72, 2867 (1994) - Published 2 May, 1994

Period doubling of a torus in a chain of oscillators

Jean-Marc Flesselles, Vincent Croquette, and Stéphane Jucquois

Phys. Rev. Lett. 72, 2871 (1994) - Published 2 May, 1994

Autocatalytic processes in mixing flows

Guy Metcalfe and J. M. Ottino

Phys. Rev. Lett. 72, 2875 (1994) - Published 2 May, 1994

Plasma and Beam Physics

Enhancement of stimulated electromagnetic emission during two frequency ionospheric heating experiments

Paul A. Bernhardt, L. S. Wagner, J. A. Goldstein, V. Yu. Trakhtengerts, E. N. Ermakova, V. O. Rapoport, G. P. Komrakov, and A. M. Babichenko

Phys. Rev. Lett. 72, 2879 (1994) - Published 2 May, 1994

Laser hot spots and the breakdown of linear instability theory with application to stimulated Brillouin scattering

Harvey A. Rose and D. F. DuBois

Phys. Rev. Lett. 72, 2883 (1994) - Published 2 May, 1994

Envelope analysis of intense laser pulse self-modulation in plasmas

Eric Esarey, Jonathan Krall, and Phillip Sprangle

Phys. Rev. Lett. 72, 2887 (1994) - Published 2 May, 1994

Novel gas embedded compressional Z-pinch configuration

L. Soto, H. Chuaqui, M. Favre, and E. Wyndham

Phys. Rev. Lett. 72, 2891 (1994) - Published 2 May, 1994

Stabilization and onset of sawteeth in TFTR

F. M. Levinton, L. Zakharov, S. H. Batha, J. Manickam, and M. C. Zarnstorff

Phys. Rev. Lett. 72, 2895 (1994) - Published 2 May, 1994

Condensed Matter: Structure, Etc.

Observed frustration in confined block copolymers

P. Lambooy, T. P. Russell, G. J. Kellogg, A. M. Mayes, P. D. Gallagher, and S. K. Satija

Phys. Rev. Lett. 72, 2899 (1994) - Published 2 May, 1994

Discrete models for conserved growth equations

Jin Min Kim and S. Das Sarma

Phys. Rev. Lett. 72, 2903 (1994) - Published 2 May, 1994

Turbulent interfaces

Joachim Krug

Phys. Rev. Lett. 72, 2907 (1994) - Published 2 May, 1994

Anisotropy-induced crossover in domain growth kinetics

Madan Rao and Amitabha Chakrabarti

Phys. Rev. Lett. 72, 2911 (1994) - Published 2 May, 1994

Anistropic phase separation of a nonequilibrium liquid-liquid interface

C. K. Chan

Phys. Rev. Lett. 72, 2915 (1994) - Published 2 May, 1994

Theory of the Eigler switch

Mads Brandbyge and Per Hedegård

Phys. Rev. Lett. 72, 2919 (1994) - Published 2 May, 1994

Condensed Matter: Electronic Properties, Etc.

First-principles calculations of the specific-heat mass enhancements in ${UIr}_{3}$ , ${UPt}_{3}$ , and ${UAu}_{3}$

M. M. Steiner, R. C. Albers, and L. J. Sham

Phys. Rev. Lett. 72, 2923 (1994) - Published 2 May, 1994

Imaging of surface plasmon propagation and edge interaction using a photon scanning tunneling microscope

P. Dawson, F. de Fornel, and J-P. Goudonnet

Phys. Rev. Lett. 72, 2927 (1994) - Published 2 May, 1994

Vibrations and Berry phases of charged buckminsterfullerene

Assa Auerbach

Phys. Rev. Lett. 72, 2931 (1994) - Published 2 May, 1994

Novel edge excitations of two-dimensional electron liquid in a magnetic field

I. L. Aleiner and L. I. Glazman

Phys. Rev. Lett. 72, 2935 (1994) - Published 2 May, 1994

Observation of rapid direct charge transfer between deep defects in silicon

A. M. Frens, M. T. Bennebroek, A. Zakrzewski, J. Schmidt, W. M. Chen, E. Janzén, J. L. Lindström, and B. Monemar

Phys. Rev. Lett. 72, 2939 (1994) - Published 2 May, 1994

Many-electron effects on donor states in a two-dimensional electron gas in a strong magnetic field

Pawel Hawrylak

Phys. Rev. Lett. 72, 2943 (1994) - Published 2 May, 1994

Superconductivity in a repulsively interacting two-band Fermi gas

Kazuhiko Kuroki and Hideo Aoki

Phys. Rev. Lett. 72, 2947 (1994) - Published 2 May, 1994

First order phase transition at the irreversibility line of ${Bi}_{2}$ ${Sr}_{2}$ ${CaCu}_{2}$ $O_{8}$

H. Pastoriza, M. F. Goffman, A. Arribére, and F. de la Cruz

Phys. Rev. Lett. 72, 2951 (1994) - Published 2 May, 1994

Cross-Disciplinary Physics

Tracking unstable periodic orbits in the Belousov-Zhabotinsky reaction

Valery Petrov, Michael J. Crowley, and Kenneth Showalter

Phys. Rev. Lett. 72, 2955 (1994) - Published 2 May, 1994

Direct measurement of colloidal forces

F. Leal Calderon, T. Stora, O. Mondain Monval, P. Poulin, and J. Bibette

Phys. Rev. Lett. 72, 2959 (1994) - Published 2 May, 1994

Novel polarization dependence in diffusing-wave spectroscopy of crystallizing colloidal suspensions

Subrata Sanyal, Ajay K. Sood, S. Ramkumar, Sriram Ramaswamy, and N. Kumar

Phys. Rev. Lett. 72, 2963 (1994) - Published 2 May, 1994

Pressure induced hydration dynamics of membranes

F. Österberg, M. Kriechbaum, A. Polcyn, V. Skita, M. W. Tate, P. T. C. So, S. M. Gruner, and Shyamsunder Erramilli

Phys. Rev. Lett. 72, 2967 (1994) - Published 2 May, 1994

COMMENTS

Comment on ‘‘Signature of a πNN resonance in pionic double charge exchange at low energies’’

Humberto Garcilazo and Leopold Mathelitsch

Phys. Rev. Lett. 72, 2971 (1994) - Published 2 May, 1994

Bilger, Clement, and Schepkin reply

R. Bilger, H. A. Clement, and M. G. Schepkin

Phys. Rev. Lett. 72, 2972 (1994) - Published 2 May, 1994

Comment on ‘‘Universal persistent currents in mesoscopic metal rings due to long-range Coulomb interactions’’

A. Altland and Yuval Gefen

Phys. Rev. Lett. 72, 2973 (1994) - Published 2 May, 1994

Kopietz replies

Peter Kopietz

Phys. Rev. Lett. 72, 2974 (1994) - Published 2 May, 1994

ERRATA

Erratum: ‘‘Equilibrium shape of Si’’ [Phys. Rev. Lett. 70, 1643 (1993)]

D. J. Eaglesham, A. E. White, L. C. Feldman, N. Moriya, and D. C. Jacobson

Phys. Rev. Lett. 72, 2975 (1994) - Published 2 May, 1994