Volume 68, Issue 13

30 March 1992

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LETTERS

General Physics

Zeta function for the Lyapunov exponent of a product of random matrices

Ronnie Mainieri

Phys. Rev. Lett. 68, 1965 (1992) - Published 30 March, 1992

Gravitation and Astrophysics

A nonsingular universe

V. Mukhanov and R. Brandenberger

Phys. Rev. Lett. 68, 1969 (1992) - Published 30 March, 1992

Model for the completeness of quasinormal modes of relativistic stellar oscillations

Richard H. Price and Viqar Husain

Phys. Rev. Lett. 68, 1973 (1992) - Published 30 March, 1992

Elementary Particles and Fields

Vortex solutions in the Weinberg-Salam model

Tanmay Vachaspati

Phys. Rev. Lett. 68, 1977 (1992) - Published 30 March, 1992

Custom-designed model of the 17-keV neutrino

Ernest Ma

Phys. Rev. Lett. 68, 1981 (1992) - Published 30 March, 1992

Predictive framework for fermion masses in supersymmetric theories

Savas Dimopoulos, Lawrence J. Hall, and Stuart Raby

Phys. Rev. Lett. 68, 1984 (1992) - Published 30 March, 1992

Nuclear Physics

Statistical field theory of multiparticle density fluctuations

Hans-Thomas Elze and Ina Sarcevic

Phys. Rev. Lett. 68, 1988 (1992) - Published 30 March, 1992

Atomic, Molecular, and Optical Physics

Large-order dimensional perturbation theory for $H_{2}^{+}$

M. López-Cabrera, D. Z. Goodson, D. R. Herschbach, and J. D. Morgani, III

Phys. Rev. Lett. 68, 1992 (1992) - Published 30 March, 1992

Experimental demonstration of the optical Stern-Gerlach effect

T. Sleator, T. Pfau, V. Balykin, O. Carnal, and J. Mlynek

Phys. Rev. Lett. 68, 1996 (1992) - Published 30 March, 1992

Generation of narrowband inversion with broadband laser pulses

J. S. Melinger, Suketu R. Gandhi, A. Hariharan, J. X. Tull, and W. S. Warren

Phys. Rev. Lett. 68, 2000 (1992) - Published 30 March, 1992

Asymmetry parameter for double photoionization

F. Maulbetsch and J. S. Briggs

Phys. Rev. Lett. 68, 2004 (1992) - Published 30 March, 1992

Observation of ordered structures of laser-cooled ions in a quadrupole storage ring

I. Waki, S. Kassner, G. Birkl, and H. Walther

Phys. Rev. Lett. 68, 2007 (1992) - Published 30 March, 1992

R-matrix calculations of low-energy electron scattering by oxygen molecules

C. J. Noble and P. G. Burke

Phys. Rev. Lett. 68, 2011 (1992) - Published 30 March, 1992

Light-force technique for measuring polarizabilities

Michael A. Kadar-Kallen and Keith D. Bonin

Phys. Rev. Lett. 68, 2015 (1992) - Published 30 March, 1992

Slow metastable decay process of ( $C_{3}$ $H_{7}^{+}$ )( $C_{3}$ $H_{8}$ $)_{n}$ cluster ions induced by isomerization of the propyl ion

M. Foltin, V. Grill, T. Rauth, Z. Herman, and T. D. Märk

Phys. Rev. Lett. 68, 2019 (1992) - Published 30 March, 1992

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Measurement of photonic band structure in a two-dimensional periodic dielectric array

W. M. Robertson, G. Arjavalingam, R. D. Meade, K. D. Brommer, A. M. Rappe, and J. D. Joannopoulos

Phys. Rev. Lett. 68, 2023 (1992) - Published 30 March, 1992

Deposition of particles in a two-dimensional lattice gas flow

Jean-Christophe Toussaint, Jean-Marc Debierre, and Loïc Turban

Phys. Rev. Lett. 68, 2027 (1992) - Published 30 March, 1992

Condensed Matter: Structure, Etc.

Rayleigh scattering from column undulations in a discotic liquid crystal

M. Gharbia, T. Othman, A. Gharbi, C. Destrade, and G. Durand

Phys. Rev. Lett. 68, 2031 (1992) - Published 30 March, 1992

Instability in surface growth with diffusion

Martin Siegert and Michael Plischke

Phys. Rev. Lett. 68, 2035 (1992) - Published 30 March, 1992

Atomistic Landau theory of ordering and modulated phases in Cu-Au alloys

Bulbul Chakraborty and Zhigang Xi

Phys. Rev. Lett. 68, 2039 (1992) - Published 30 March, 1992

Orientational order in simple dipolar liquids: Computer simulation of a ferroelectric nematic phase

Dongqing Wei and G. N. Patey

Phys. Rev. Lett. 68, 2043 (1992) - Published 30 March, 1992

Low-temperature specific heat of $C_{60}$

W. P. Beyermann, M. F. Hundley, J. D. Thompson, F. N. Diederich, and G. Grüner

Phys. Rev. Lett. 68, 2046 (1992) - Published 30 March, 1992

Thermal conductivity of single crystal $C_{60}$

R. C. Yu, N. Tea, M. B. Salamon, D. Lorents, and R. Malhotra

Phys. Rev. Lett. 68, 2050 (1992) - Published 30 March, 1992

Vortex rings and finite-wave-number superfluidity near the ${}^{4}{He}$ λ transition

Gary A. Williams

Phys. Rev. Lett. 68, 2054 (1992) - Published 30 March, 1992

Avalanche dynamics from anomalous diffusion

Péter Bántay and Imre M. Jánosi

Phys. Rev. Lett. 68, 2058 (1992) - Published 30 March, 1992

Step-driven lateral segregation and long-range ordering during ${Si}_{x}$ ${Ge}_{1 - x}$ epitaxial growth

D. E. Jesson, S. J. Pennycook, J.-M. Baribeau, and D. C. Houghton

Phys. Rev. Lett. 68, 2062 (1992) - Published 30 March, 1992

Condensed Matter: Electronic Properties, Etc.

Phase slip in charge-density-wave systems

Satish Ramakrishna, Michael P. Maher, Vinay Ambegaokar, and Ulrich Eckern

Phys. Rev. Lett. 68, 2066 (1992) - Published 30 March, 1992

Experimental observation of scattering of tunneling electrons by a single magnetic moment

Stephen Gregory

Phys. Rev. Lett. 68, 2070 (1992) - Published 30 March, 1992

Current drag from the van der Waals interaction

A. G. Rojo and G. D. Mahan

Phys. Rev. Lett. 68, 2074 (1992) - Published 30 March, 1992

Fermi-liquid phase of the t-J model and the Hall coefficient in the high-temperature superconductors

C. A. R. Sá de Melo, Ziqiang Wang, and S. Doniach

Phys. Rev. Lett. 68, 2078 (1992) - Published 30 March, 1992

Direct comparison of angle-resolved photoemission and numerical simulations for high- $T_{c}$ superconductors

G. Dopf, J. Wagner, P. Dieterich, A. Muramatsu, and W. Hanke

Phys. Rev. Lett. 68, 2082 (1992) - Published 30 March, 1992

Low-temperature dynamics of a diluted Ising antiferromagnet

M. Lederman, J. V. Selinger, R. Bruinsma, J. Hammann, and R. Orbach

Phys. Rev. Lett. 68, 2086 (1992) - Published 30 March, 1992

Cross-Disciplinary Physics

Linear stability analysis of rotating spiral waves in excitable media

Dwight Barkley

Phys. Rev. Lett. 68, 2090 (1992) - Published 30 March, 1992

New method for studying the dynamics of disordered spin systems without finite-size effects

H. Eissfeller and M. Opper

Phys. Rev. Lett. 68, 2094 (1992) - Published 30 March, 1992

Phyllotaxis as a physical self-organized growth process

S. Douady and Y. Couder

Phys. Rev. Lett. 68, 2098 (1992) - Published 30 March, 1992

COMMENTS

Comment on ‘‘CP asymmetries induced by particle widths: Application to top-quark decays’’

João M. Soares

Phys. Rev. Lett. 68, 2102 (1992) - Published 30 March, 1992

Eilam, Hewett, and Soni reply

G. Eilam, J. L. Hewett, and A. Soni

Phys. Rev. Lett. 68, 2103 (1992) - Published 30 March, 1992

Comment on ‘‘Conduction threshold and pinning frequency of magnetically induced Wigner solid’’

H. L. Stormer and R. L. Willett

Phys. Rev. Lett. 68, 2104 (1992) - Published 30 March, 1992

Williams et al. reply

F. I. B. Williams, G. Deville, D. C. Glattli, E. Y. Andrei, B. Etienne, and E. Paris

Phys. Rev. Lett. 68, 2105 (1992) - Published 30 March, 1992

Comment on ‘‘Proximity effect in ${YBa}_{2}$ ${Cu}_{3}$ $O_{7}$ / $Y_{0.6}$ $\Pr_{0.4}$ ${Ba}_{2}$ ${Cu}_{3}$ $O_{7}$ / ${YBa}_{2}$ ${Cu}_{3}$ $O_{7}$ junctions’’

V. G. Kogan and A. Yu. Simonov

Phys. Rev. Lett. 68, 2106 (1992) - Published 30 March, 1992

Comment on ‘‘Cluster-impact fusion’’

D. H. Lo, R. D. Petrasso, and K. W. Wenzel

Phys. Rev. Lett. 68, 2107 (1992) - Published 30 March, 1992

ERRATA

Erratum: Cluster-impact fusion [Phys. Rev. Lett 63, 1292 (1989)]

R. J. Beuhler, G. Friedlander, and L. Friedman

Phys. Rev. Lett. 68, 2108 (1992) - Published 30 March, 1992