Volume 68, Issue 22

1 June 1992

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LETTERS

General Physics

Maximal violation of Bell inequalities for mixed states

Samuel L. Braunstein, A. Mann, and M. Revzen

Phys. Rev. Lett. 68, 3259 (1992) - Published 1 June, 1992

Elementary Particles and Fields

New limits on T-odd, P-even interactions

R. S. Conti and I. B. Khriplovich

Phys. Rev. Lett. 68, 3262 (1992) - Published 1 June, 1992

Saturation of shadowing at very low Bjorken x

M. R. Adams et al.

Phys. Rev. Lett. 68, 3266 (1992) - Published 1 June, 1992

Nuclear Physics

Two-stage equilibration in high energy heavy ion collisions

E. Shuryak

Phys. Rev. Lett. 68, 3270 (1992) - Published 1 June, 1992

Atomic, Molecular, and Optical Physics

Spin correlations and symmetrization in the nuclear magnetic resonances of molecular systems with tunneling

Souheil J. Inati and Kurt W. Zilm

Phys. Rev. Lett. 68, 3273 (1992) - Published 1 June, 1992

Electron capture in ${He}^{2 +}$ collisions with aligned ${Na}^{*}$ (3p) atoms

F. Aumayr, M. Gieler, J. Schweinzer, H. Winter, and J. P. Hansen

Phys. Rev. Lett. 68, 3277 (1992) - Published 1 June, 1992

Binding energy of positronium chloride: A quantum Monte Carlo calculation

D. M. Schrader, Takashi Yoshida, and Kaoru Iguchi

Phys. Rev. Lett. 68, 3281 (1992) - Published 1 June, 1992

Quantum noise reduction in a spatial dissipative structure

L. A. Lugiato and F. Castelli

Phys. Rev. Lett. 68, 3284 (1992) - Published 1 June, 1992

Quantum superpositions of atomic de Broglie waves by an atomic mirror

Weiping Zhang and Daniel F. Walls

Phys. Rev. Lett. 68, 3287 (1992) - Published 1 June, 1992

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Observation of gain-narrowing and saturation behavior in Se x-ray laser line profiles

J. A. Koch, B. J. MacGowan, L. B. Da Silva, D. L. Matthews, J. H. Underwood, P. J. Batson, and S. Mrowka

Phys. Rev. Lett. 68, 3291 (1992) - Published 1 June, 1992

Plasma and Beam Physics

Low-aspect-ratio toroidal equilibria of electron clouds

Puravi Zaveri, P. I. John, K. Avinash, and P. K. Kaw

Phys. Rev. Lett. 68, 3295 (1992) - Published 1 June, 1992

Narrow cyclotron harmonic absorption resonances of stimulated electromagnetic emission in the ionosphere

T. B. Leyser, B. Thidé, S. Goodman, M. Waldenvik, E. Veszelei, S. M. Grach, A. N. Karashtin, G. P. Komrakov, and D. S. Kotik

Phys. Rev. Lett. 68, 3299 (1992) - Published 1 June, 1992

Anomalous ion heating via parametric resonance in rf-driven plasma sheaths

Spilios Riyopoulos

Phys. Rev. Lett. 68, 3303 (1992) - Published 1 June, 1992

Thermal stimulated Brillouin scattering in laser-produced plasmas

R. W. Short and E. M. Epperlein

Phys. Rev. Lett. 68, 3307 (1992) - Published 1 June, 1992

Condensed Matter: Structure, Etc.

Pressure-induced amorphization and reduction of T- ${Nb}_{2}$ $O_{5}$

George C. Serghiou, Robert R. Winters, and William S. Hammack

Phys. Rev. Lett. 68, 3311 (1992) - Published 1 June, 1992

Reconstruction of NaCl surfaces from a dipolar solution to the Madelung problem

Dieter Wolf

Phys. Rev. Lett. 68, 3315 (1992) - Published 1 June, 1992

Defect energetics in oxide materials from first principles

A. De Vita, M. J. Gillan, J. S. Lin, M. C. Payne, I. Stǐch, and L. J. Clarke

Phys. Rev. Lett. 68, 3319 (1992) - Published 1 June, 1992

Atomic-force-microscope study of polymer lubricants on silicon surfaces

C. Mathew Mate

Phys. Rev. Lett. 68, 3323 (1992) - Published 1 June, 1992

Spinodal-type dynamics in fractal aggregation of colloidal clusters

Marina Carpineti and Marzio Giglio

Phys. Rev. Lett. 68, 3327 (1992) - Published 1 June, 1992

Combined spin-mass vortex with soliton tail in superfluid ${}^{3}B$

Y. Kondo, J. S. Korhonen, M. Krusius, V. V. Dmitriev, E. V. Thuneberg, and G. E. Volovik

Phys. Rev. Lett. 68, 3331 (1992) - Published 1 June, 1992

Surfactant-induced layer-by-layer growth of Ag on Ag(111)

H. A. van der Vegt, H. M. van Pinxteren, M. Lohmeier, E. Vlieg, and J. M. C. Thornton

Phys. Rev. Lett. 68, 3335 (1992) - Published 1 June, 1992

Condensed Matter: Electronic Properties, Etc.

Study of a surface state in a Ag-Au superlattice gap

T. Miller and T.-C. Chiang

Phys. Rev. Lett. 68, 3339 (1992) - Published 1 June, 1992

Images of the vortex chain state in untwinned ${YBa}_{2}$ ${Cu}_{3}$ $O_{7 - δ}$ crystals

P. L. Gammel, D. J. Bishop, J. P. Rice, and D. M. Ginsberg

Phys. Rev. Lett. 68, 3343 (1992) - Published 1 June, 1992

Measurement of the Exponent $μ$ in the Low-Temperature Phase of $Y {Ba}_{2} {Cu}_{3} O_{7 - δ}$ Films in a Magnetic Field: Direct Evidence for a Vortex-Glass Phase

C. Dekker, W. Eidelloth, and R. H. Koch

Phys. Rev. Lett. 68, 3347 (1992) - Published 1 June, 1992

Ordering temperature of the infinite-range ±J Ising spin glass

I. A. Campbell

Phys. Rev. Lett. 68, 3351 (1992) - Published 1 June, 1992

New magneto-optical transition in ultrathin Fe(100) films

Yoshishige Suzuki, Toshikazu Katayama, Sadafumi Yoshida, Kazunobu Tanaka, and Katsuaki Sato

Phys. Rev. Lett. 68, 3355 (1992) - Published 1 June, 1992

Vibration-mediated uv photodesorption: Ammonia on GaAs

X.-Y. Zhu and J. M. White

Phys. Rev. Lett. 68, 3359 (1992) - Published 1 June, 1992

Cross-Disciplinary Physics

Phase separation in binary hard-core mixtures: An exact result

Daan Frenkel and Ard A. Louis

Phys. Rev. Lett. 68, 3363 (1992) - Published 1 June, 1992

COMMENTS

Comment on ‘‘Glassy dynamics of two-dimensional vortex glasses, charge-density waves, and surfaces of disordered crystals’’

Thomas Nattermann and Igor Lyuksyutov

Phys. Rev. Lett. 68, 3366 (1992) - Published 1 June, 1992

Toner replies

John Toner

Phys. Rev. Lett. 68, 3367 (1992) - Published 1 June, 1992

ERRATA

An Obstacle to Building a Time Machine

Sean M. Carroll, Edward Farhi, and Alan H. Guth

Phys. Rev. Lett. 68, 3368 (1992) - Published 1 June, 1992

Dynamics of Banded Structure Formation in Rapid Solidification

Alain Karma and Armand Sarkissian

Phys. Rev. Lett. 68, 3368 (1992) - Published 1 June, 1992