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Physical Review Letters

Volume 59, Issue 19

9 November 1987

Browse Issues:

LETTERS

General Physics

Ground state instability of a random system

Yi-Cheng Zhang

Phys. Rev. Lett. 59, 2125 (1987) - Published 9 November, 1987

Bistability driven by weakly colored Gaussian noise: The Fokker-Planck boundary layer and mean first-passage times

Charles R. Doering, Patrick S. Hagan, and C. David Levermore

Phys. Rev. Lett. 59, 2129 (1987) - Published 9 November, 1987

Optical analog of a kicked quantum oscillator

Joachim Krug

Phys. Rev. Lett. 59, 2133 (1987) - Published 9 November, 1987

Naked singularities in self-similar spherical gravitational collapse

Amos Ori and Tsvi Piran

Phys. Rev. Lett. 59, 2137 (1987) - Published 9 November, 1987

Nuclear Physics

Intrinsic quadrupole moment of the superdeformed band in ${}^{152}{Dy}$

M. A. Bentley, G. C. Ball, H. W. Cranmer-Gordon, P. D. Forsyth, D. Howe, A. R. Mokhtar, J. D. Morrison, J. F. Sharpey-Schafer, P. J. Twin, B. Fant, C. A. Kalfas, A. H. Nelson, J. Simpson, and G. Sletten

Phys. Rev. Lett. 59, 2141 (1987) - Published 9 November, 1987

Atomic, Molecular, and Optical Physics

Nonlinear nonreciprocity and directional bistability in a ring resonator with a quadratic nonlinear medium

A. Gasch and D. Jäger

Phys. Rev. Lett. 59, 2145 (1987) - Published 9 November, 1987

Transient spectra of strong-field resonance fluorescence

J. E. Golub and T. W. Mossberg

Phys. Rev. Lett. 59, 2149 (1987) - Published 9 November, 1987

Squeezed-light–enhanced polarization interferometer

P. Grangier, R. E. Slusher, B. Yurke, and A. LaPorta

Phys. Rev. Lett. 59, 2153 (1987) - Published 9 November, 1987

Demonstration of soft x-ray amplification in nickel-like ions

B. J. MacGowan, S. Maxon, P. L. Hagelstein, C. J. Keane, R. A. London, D. L. Matthews, M. D. Rosen, J. H. Scofield, and D. A. Whelan

Phys. Rev. Lett. 59, 2157 (1987) - Published 9 November, 1987

Plasma and Beam Physics

Laser amplification at 18.2 nm in recombining plasma from a laser-irradiated carbon fiber

C. Chenais-Popovics, R. Corbett, C. J. Hooker, M. H. Key, G. P. Kiehn, C. L. S. Lewis, G. J. Pert, C. Regan, S. J. Rose, S. Sadaat, R. Smith, T. Tomie, and and O. Willi

Phys. Rev. Lett. 59, 2161 (1987) - Published 9 November, 1987

Steady-state tokamak discharge via dc helicity injection

M. Ono, G. J. Greene, D. Darrow, C. Forest, H. Park, and T. H. Stix

Phys. Rev. Lett. 59, 2165 (1987) - Published 9 November, 1987

Condensed Matter: Structure, Etc.

Tunneling images of biatomic steps on Si(001)

P. E. Wierenga, J. A. Kubby, and J. E. Griffith

Phys. Rev. Lett. 59, 2169 (1987) - Published 9 November, 1987

Reconstruction of steps on the Si(111)2×1 surface

R. M. Feenstra and Joseph A. Stroscio

Phys. Rev. Lett. 59, 2173 (1987) - Published 9 November, 1987

Direct imaging of surface reconstructions on CdTe by high-resolution electron microscopy

Ping Lu and David J. Smith

Phys. Rev. Lett. 59, 2177 (1987) - Published 9 November, 1987

Location of atoms in the first monolayer of GaAs on Si

J. R. Patel, P. E. Freeland, M. S. Hybertsen, D. C. Jacobson, and J. A. Golovchenko

Phys. Rev. Lett. 59, 2180 (1987) - Published 9 November, 1987

Finite-density Onsager-type theory for the isotropic-nematic transition of hard ellipsoids

Marc Baus, Jean-Louis Colot, Xiao-Guang Wu, and Hong Xu

Phys. Rev. Lett. 59, 2184 (1987) - Published 9 November, 1987

Commensurability effects and modulated structures in polyanilines

Han-Yong Choi and E. J. Mele

Phys. Rev. Lett. 59, 2188 (1987) - Published 9 November, 1987

Grazing incidence x-ray study of the structures and phase transitions of hydrogen on tungsten (100)

J. W. Chung, K. Evans-Lutterodt, E. D. Specht, R. J. Birgeneau, P. J. Estrup, and A. R. Kortan

Phys. Rev. Lett. 59, 2192 (1987) - Published 9 November, 1987

Recursive computation of many-phonon densities of states

Raffaele Guido Della Valle and Gianni Cardini

Phys. Rev. Lett. 59, 2196 (1987) - Published 9 November, 1987

Distribution of barrier heights in amorphous organic materials

W. Köhler and J. Friedrich

Phys. Rev. Lett. 59, 2199 (1987) - Published 9 November, 1987

Explosive crystallization starting from an amorphous-silicon surface region during long pulsed-laser irradiation

Kouichi Murakami, Osamu Eryu, Koki Takita, and Kohzoh Masuda

Phys. Rev. Lett. 59, 2203 (1987) - Published 9 November, 1987

Lattice theory of crystal surface melting

A. Trayanov and E. Tosatti

Phys. Rev. Lett. 59, 2207 (1987) - Published 9 November, 1987

Cubic anharmonicity and strong sidebands: An experimental test for vibrational phase relaxation at surfaces?

Z. Y. Zhang and David C. Langreth

Phys. Rev. Lett. 59, 2211 (1987) - Published 9 November, 1987

Condensed Matter: Electronic Properties, Etc.

Mechanism of ion desorption by electronic transitions: A density-functional study

Ph. Avouris, R. Kawai, N. D. Lang, and D. M. Newns

Phys. Rev. Lett. 59, 2215 (1987) - Published 9 November, 1987

Optical measurements on oriented thin ${YBa}_{2}$ ${Cu}_{3}$ $O_{7 - δ}$ films: Lack of evidence for excitonic superconductivity

I. Bozovic, D. Kirillov, A. Kapitulnik, K. Char, M. R. Hahn, M. R. Beasley, T. H. Geballe, Y. H. Kim, and A. J. Heeger

Phys. Rev. Lett. 59, 2219 (1987) - Published 9 November, 1987

Determination of intervalley scattering rates in GaAs by subpicosecond luminescence spectroscopy

Jagdeep Shah, Benoit Deveaud, T. C. Damen, W. T. Tsang, A. C. Gossard, and P. Lugli

Phys. Rev. Lett. 59, 2222 (1987) - Published 9 November, 1987

New method to study the proximity effect at the normal-metal–superconductor interface

P. C. van Son, H. van Kempen, and P. Wyder

Phys. Rev. Lett. 59, 2226 (1987) - Published 9 November, 1987

Cross-Disciplinary Physics

Generalization of back-propagation to recurrent neural networks

Fernando J. Pineda

Phys. Rev. Lett. 59, 2229 (1987) - Published 9 November, 1987

COMMENTS

Comments on skyrmion mass calculation in the gauged chiral model

T. N. Pham

Phys. Rev. Lett. 59, 2233 (1987) - Published 9 November, 1987

Zahed replies

I. Zahed

Phys. Rev. Lett. 59, 2234 (1987) - Published 9 November, 1987

Lacombe et al. reply

M. Lacombe, B. Loiseau, R. Vinh Mau, and W. N. Cottingham

Phys. Rev. Lett. 59, 2235 (1987) - Published 9 November, 1987

Comment on ‘‘Synchrotron x-ray study of a Fibonacci superlattice’’

J. G. Gay and B. M. Clemens

Phys. Rev. Lett. 59, 2236 (1987) - Published 9 November, 1987

Clarke and Merlin reply

Roy Clarke and R. Merlin

Phys. Rev. Lett. 59, 2237 (1987) - Published 9 November, 1987

Comment on ‘‘Ionization energies of valence levels in physisorbed rare-gas multilayers’’

G. Kaindl and T. Mandel

Phys. Rev. Lett. 59, 2238 (1987) - Published 9 November, 1987

ERRATA

X-Ray Diffraction Study of Phason Strain Field in Oriented Icosahedral Al-Mn

J. D. Budai, J. Z. Tischler, A. Habenschuss, G. E. Ice, and V. Elser

Phys. Rev. Lett. 59, 2239 (1987) - Published 9 November, 1987