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Physical Review Letters

Volume 69, Issue 6

10 August 1992

Browse Issues:

LETTERS

General Physics

Geometrical phases and symmetries in dissipative systems

A. S. Landsberg

Phys. Rev. Lett. 69, 865 (1992) - Published 10 August, 1992

Gravitation and Astrophysics

Grand unification, gravitational waves, and the cosmic microwave background anisotropy

Lawrence M. Krauss and Martin White

Phys. Rev. Lett. 69, 869 (1992) - Published 10 August, 1992

Elementary Particles and Fields

Exact mass gap of the chiral SU(n)×SU(n) model

J. Balog, S. Naik, F. Niedermayer, and P. Weisz

Phys. Rev. Lett. 69, 873 (1992) - Published 10 August, 1992

Search for right-handed currents in the decay chain $K^{+}$ → $μ^{+}$ ν, $μ^{+}$ → $e^{+}$ νν¯

J. Imazato, Y. Kawashima, K. H. Tanaka, M. Takasaki, M. Aoki, T. Yamazaki, R. S. Hayano, M. Iwasaki, H. Outa, E. Takada, and H. Tamura

Phys. Rev. Lett. 69, 877 (1992) - Published 10 August, 1992

Nuclear Physics

Color transparency and correlation effects in quasielastic electron-nucleus scattering at high momentum transfer

O. Benhar, A. Fabrocini, S. Fantoni, V. R. Pandharipande, and I. Sick

Phys. Rev. Lett. 69, 881 (1992) - Published 10 August, 1992

Dynamical clusterization in the presence of instabilities

G. F. Burgio, Ph. Chomaz, and J. Randrup

Phys. Rev. Lett. 69, 885 (1992) - Published 10 August, 1992

Midrapidity source of intermediate-mass fragments in highly central collisions of Au + Au at 150A MeV

J. P. Alard et al.

Phys. Rev. Lett. 69, 889 (1992) - Published 10 August, 1992

Atomic, Molecular, and Optical Physics

Feynman-Kac path-integral calculation of the ground-state energies of atoms

A. Korzeniowski, J. L. Fry, D. E. Orr, and N. G. Fazleev

Phys. Rev. Lett. 69, 893 (1992) - Published 10 August, 1992

Isotopic difference in trap loss collisions of laser cooled rubidium atoms

Christopher D. Wallace, Timothy P. Dinneen, Kit-Yan N. Tan, Timothy T. Grove, and Phillip L. Gould

Phys. Rev. Lett. 69, 897 (1992) - Published 10 August, 1992

Photon emission asymmetry in the elementary process of bremsstrahlung from transversely polarized electrons

E. Mergl, H.-Th. Prinz, C. D. Schröter, and W. Nakel

Phys. Rev. Lett. 69, 901 (1992) - Published 10 August, 1992

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Global traveling wave triggered by local phase slips

Kunihiko Kaneko

Phys. Rev. Lett. 69, 905 (1992) - Published 10 August, 1992

Mean-field laser magnetometry

Fabien Bretenaker, Bruno Lépine, Jean-Charles Cotteverte, and Albert Le Floch

Phys. Rev. Lett. 69, 909 (1992) - Published 10 August, 1992

Condensed Matter: Structure, Etc.

Orientational order in simple dipolar liquid-crystal models

J. J. Weis, D. Levesque, and G. J. Zarragoicoechea

Phys. Rev. Lett. 69, 913 (1992) - Published 10 August, 1992

Magic clusters in two dimensions?

Georg Rosenfeld, Andreas F. Becker, Bene Poelsema, Laurens K. Verheij, and George Comsa

Phys. Rev. Lett. 69, 917 (1992) - Published 10 August, 1992

Negatively curved graphitic sheet model of amorphous carbon

S. J. Townsend, T. J. Lenosky, D. A. Muller, C. S. Nichols, and V. Elser

Phys. Rev. Lett. 69, 921 (1992) - Published 10 August, 1992

Lattice mismatch dislocations in a preferentially sputtered alloy studied by scanning tunneling microscopy

M. Schmid, A. Biedermann, H. Stadler, and P. Varga

Phys. Rev. Lett. 69, 925 (1992) - Published 10 August, 1992

Dynamic roughening of directed lines

Deniz Ertaş and Mehran Kardar

Phys. Rev. Lett. 69, 929 (1992) - Published 10 August, 1992

Vibrational spectroscopy of sulfur hexafluoride attached to helium clusters

S. Goyal, D. L. Schutt, and G. Scoles

Phys. Rev. Lett. 69, 933 (1992) - Published 10 August, 1992

Prewetting phase diagram of ${}^{4}{He}$ on cesium

J. E. Rutledge and P. Taborek

Phys. Rev. Lett. 69, 937 (1992) - Published 10 August, 1992

Thermal roughness of a close-packed metal surface: Pt(001)

D. L. Abernathy, S. G. J. Mochrie, D. M. Zehner, G. Grübel, and Doon Gibbs

Phys. Rev. Lett. 69, 941 (1992) - Published 10 August, 1992

Solitary-wave phenomena in an excitable surface reaction

M. Bär, M. Eiswirth, H.-H. Rotermund, and G. Ertl

Phys. Rev. Lett. 69, 945 (1992) - Published 10 August, 1992

Condensed Matter: Electronic Properties, Etc.

Effect of exchange and correlation on the Fermi momenta of an electron liquid in a magnetic field

P. Skudlarski and G. Vignale

Phys. Rev. Lett. 69, 949 (1992) - Published 10 August, 1992

Shift and spin vector: New topological quantum numbers for the Hall fluids

X. G. Wen and A. Zee

Phys. Rev. Lett. 69, 953 (1992) - Published 10 August, 1992

Coulomb pseudopotential, screening and superconductivity in $C_{60}$

O. Gunnarsson and G. Zwicknagl

Phys. Rev. Lett. 69, 957 (1992) - Published 10 August, 1992

Spin-fluctuation-induced superconductivity in the copper oxides: A strong coupling calculation

P. Monthoux and D. Pines

Phys. Rev. Lett. 69, 961 (1992) - Published 10 August, 1992

Sensitivity of doping states in the copper oxides to electron-lattice coupling

K. Yonemitsu, A. R. Bishop, and J. Lorenzana

Phys. Rev. Lett. 69, 965 (1992) - Published 10 August, 1992

Orientational dependence of the oscillatory exchange interaction in Co/Cu/Co

M. T. Johnson, R. Coehoorn, J. J. de Vries, N. W. E. McGee, J. aan de Stegge, and P. J. H. Bloemen

Phys. Rev. Lett. 69, 969 (1992) - Published 10 August, 1992

Giant electropleochroism in GaAs-(Al,Ga)As heterostructures: The quantum-well Pockels effect

S. H. Kwok, H. T. Grahn, K. Ploog, and R. Merlin

Phys. Rev. Lett. 69, 973 (1992) - Published 10 August, 1992

Analysis of coherent and incoherent phenomena in photoexcited semiconductors: A Monte Carlo approach

Tilmann Kuhn and Fausto Rossi

Phys. Rev. Lett. 69, 977 (1992) - Published 10 August, 1992

Cross-Disciplinary Physics

Kinetically induced ordering in gelation of emulsions

J. Bibette, T. G. Mason, Hu Gang, and D. A. Weitz

Phys. Rev. Lett. 69, 981 (1992) - Published 10 August, 1992

COMMENTS

Surface diffusion and island density

Alberto Pimpinelli, Jacques Villain, and Dietrich E. Wolf

Phys. Rev. Lett. 69, 985 (1992) - Published 10 August, 1992

Mo et al. reply

Y. W. Mo, J. Kleiner, M. B. Webb, and M. G. Lagally

Phys. Rev. Lett. 69, 986 (1992) - Published 10 August, 1992

Comment on ‘‘Rayleigh scattering from column undulations in a discotic liquid crystal’’

Helmut R. Brand and Harald Pleiner

Phys. Rev. Lett. 69, 987 (1992) - Published 10 August, 1992

Durand replies

G. Durand

Phys. Rev. Lett. 69, 988 (1992) - Published 10 August, 1992

Comment on ‘‘Ag(111) surface reconstruction studied by optical second-harmonic generation’’

R. Georgiadis, R. A. Bradley, and G. L. Richmond

Phys. Rev. Lett. 69, 989 (1992) - Published 10 August, 1992

Furtak and Simpson reply

T. E. Furtak and L. J. Simpson

Phys. Rev. Lett. 69, 990 (1992) - Published 10 August, 1992

Comment on ‘‘Angular dependence of the cyclotron effective mass in organic superconductors’’

M. Doporto, F. L. Pratt, J. Singleton, M. Kurmoo, and W. Hayes

Phys. Rev. Lett. 69, 991 (1992) - Published 10 August, 1992

Wosnitza et al. reply

J. Wosnitza, G. W. Crabtree, H. H. Wang, K. D. Carlson, M. D. Vashon, and J. M. Williams

Phys. Rev. Lett. 69, 992 (1992) - Published 10 August, 1992

Comment on ‘‘Phase transtition of an exciton system in GaAs coupled quantum wells’’ and on ‘‘Fermi-Dirac distribution of excitons in coupled quantum wells’’

S. D. Baranovskii and P. Thomas

Phys. Rev. Lett. 69, 993 (1992) - Published 10 August, 1992

Kash et al. reply

J. A. Kash, M. Zachau, E. E. Mendez, J. M. Hong, and T. Fukuzawa

Phys. Rev. Lett. 69, 994 (1992) - Published 10 August, 1992

ERRATA

Anomalous Magnetic Moment of the $τ$ Lepton

Mark A. Samuel, Guowen Li, and Roberto Mendel

Phys. Rev. Lett. 69, 995 (1992) - Published 10 August, 1992

Ab Initio Theory of the Si(111)-(7 × 7) Surface Reconstruction: A Challenge for Massively Parallel Computation

Karl D. Brommer, M. Needels, B. E. Larson, and J. D. Joannopoulos

Phys. Rev. Lett. 69, 995 (1992) - Published 10 August, 1992

Luttinger Liquid Instability of the 2D $t - J$ Model: A Variational Study

Roser Valentí and Claudius Gros

Phys. Rev. Lett. 69, 996 (1992) - Published 10 August, 1992

Observation of Modulational Instability in Nd-Laser Beat-Wave Experiments

F. Amiranoff, M. Laberge, J. R. Marquès, F. Moulin, E. Fabre, B. Cros, G. Matthieussent, P. Benkheiri, F. Jacquet, J. Meyer, Ph. Miné, C. Stenz, and P. Mora

Phys. Rev. Lett. 69, 996 (1992) - Published 10 August, 1992