Volume 69, Issue 2

G. Enders, F. D. Berg, K. Hagel, W. Kühn, V. Metag, R. Novotny, M. Pfeiffer, O. Schwalb, R. J. Charity, A. Gobbi, R. Freifelder, W. Henning, K. D. Hildenbrand, R. Holzmann, R. S. Mayer, R. S. Simon, J. P. Wessels, G. Casini, A. Olmi, and A. A. Stefanini

Phys. Rev. Lett. 69, 249 (1992) - Published 13 July, 1992

Isospin separation of three-nucleon form factors

A. Amroun, V. Breton, J.-M. Cavedon, B. Frois, D. Goutte, J. Martino, X.-H. Phan, S. K. Platchkov, I. Sick, and S. Williamson

Phys. Rev. Lett. 69, 253 (1992) - Published 13 July, 1992

Atomic, Molecular, and Optical Physics

New method for high-resolution rf-resonance spectroscopy of stable terms in atoms and ions

A. Schirmacher and H. Winter

Phys. Rev. Lett. 69, 257 (1992) - Published 13 July, 1992

Atomic interferences and the topological phase

Ch. Miniatura, J. Robert, O. Gorceix, V. Lorent, S. Le Boiteux, J. Reinhardt, and J. Baudon

Phys. Rev. Lett. 69, 261 (1992) - Published 13 July, 1992

Measurement of electron impact excitation cross sections for heliumlike titanium

S. Chantrenne, P. Beiersdorfer, R. Cauble, and M. B. Schneider

Phys. Rev. Lett. 69, 265 (1992) - Published 13 July, 1992

Nonlinear Dynamics, Fluid Dynamics, Classical Optics, Etc.

Usefulness of the Burnett description of strong shock waves

E. Salomons and M. Mareschal

Phys. Rev. Lett. 69, 269 (1992) - Published 13 July, 1992

Modeling of the rheology and flow-induced concentration changes in polymer solutions

Vlasis G. Mavrantzas and Antony N. Beris

Phys. Rev. Lett. 69, 273 (1992) - Published 13 July, 1992

Plasma and Beam Physics

Ion trapping by a charged dust grain in a plasma

J. Goree

Phys. Rev. Lett. 69, 277 (1992) - Published 13 July, 1992

Measurement of nonlinear mode coupling of tearing fluctuations

S. Assadi, S. C. Prager, and K. L. Sidikman

Phys. Rev. Lett. 69, 281 (1992) - Published 13 July, 1992

Upshifted Raman light produced by coupling between stimulated Raman and Brillouin scattering

C. Labaune, H. A. Baldis, S. D. Baton, D. Pesme, and T. Jalinaud

Phys. Rev. Lett. 69, 285 (1992) - Published 13 July, 1992

Absorption of fast waves by electrons on the DIII-D tokamak

C. C. Petty, R. I. Pinsker, M. J. Mayberry, M. Porkolab, F. W. Baity, P. T. Bonoli, S. C. Chiu, J. C. M. de Haas, R. H. Goulding, D. J. Hoffman, T. C. Luce, and R. Prater

Phys. Rev. Lett. 69, 289 (1992) - Published 13 July, 1992

Condensed Matter: Structure, Etc.

Direct observation of InP projected potential using high-resolution electron holography

T. Kawasaki and A. Tonomura

Phys. Rev. Lett. 69, 293 (1992) - Published 13 July, 1992

Solid-liquid transitions in argon clusters

H. Matsuoka, T. Hirokawa, M. Matsui, and M. Doyama

Phys. Rev. Lett. 69, 297 (1992) - Published 13 July, 1992

Nonexistence of incommensurate smectic-A phases in binary mixtures of 8OBCAB and DB8OCN

Prem Patel, S. Sabol Keast, M. E. Neubert, and Satyendra Kumar

Phys. Rev. Lett. 69, 301 (1992) - Published 13 July, 1992

Structural phase transitions and equations of state for selenium under pressures to 129 GPa

T. Krüger and W. B. Holzapfel

Phys. Rev. Lett. 69, 305 (1992) - Published 13 July, 1992

Origins of surface alloy formation: Cu(001)c(2×2)-Pd as a case study

J. Kudrnovský, S. K. Bose, and V. Drchal

Phys. Rev. Lett. 69, 308 (1992) - Published 13 July, 1992

Dynamics of crossover phenomenon in phase-separating systems

Michio Tokuyama and Yoshihisa Enomoto

Phys. Rev. Lett. 69, 312 (1992) - Published 13 July, 1992

Self-consistent theory of freezing of the classical one-component plasma

C. N. Likos and N. W. Ashcroft

Phys. Rev. Lett. 69, 316 (1992) - Published 13 July, 1992

Stress-induced amorphization of silicon crystal by mechanical scratching

Kyoko Minowa and Koji Sumino

Phys. Rev. Lett. 69, 320 (1992) - Published 13 July, 1992

Evidence for quantum tunneling of phase-slip vortices in superfluid ${}^{4}{He}$

J. C. Davis, J. Steinhauer, K. Schwab, Yu. M. Mukharsky, A. Amar, Y. Sasaki, and R. E. Packard

Phys. Rev. Lett. 69, 323 (1992) - Published 13 July, 1992

Quantum nucleation of vortices in the flow of superfluid ${}^{4}{He}$ through an orifice

G. G. Ihas, O. Avenel, R. Aarts, R. Salmelin, and E. Varoquaux

Phys. Rev. Lett. 69, 327 (1992) - Published 13 July, 1992

Path-integral calculations of normal liquid ${}^{3}{He}$

D. M. Ceperley

Phys. Rev. Lett. 69, 331 (1992) - Published 13 July, 1992

Critical supersaturation of ${}^{3}-^{4}$ He liquid mixtures: Decay of metastable states at ultralow temperatures

Takeo Satoh, Masashi Morishita, Masafumi Ogata, and Sojuro Katoh

Phys. Rev. Lett. 69, 335 (1992) - Published 13 July, 1992

Direct measurement of reaction kinetics for the decomposition of ultrathin oxide on Si(001) using scanning tunneling microscopy

K. E. Johnson and T. Engel

Phys. Rev. Lett. 69, 339 (1992) - Published 13 July, 1992

Condensed Matter: Electronic Properties, Etc.

Parity effects in a Luttinger liquid: Diamagnetic and paramagnetic ground states

Daniel Loss

Phys. Rev. Lett. 69, 343 (1992) - Published 13 July, 1992

Ultrafast dephasing through acoustic plasmon undamping in nonequilibrium electron-hole plasmas

D. C. Scott, R. Binder, and S. W. Koch

Phys. Rev. Lett. 69, 347 (1992) - Published 13 July, 1992

Collapse of minibands in far-infrared irradiated superlattices

Martin Holthaus

Phys. Rev. Lett. 69, 351 (1992) - Published 13 July, 1992

Far-infrared magneto-optical activity in type II superconductors

K. Karrai, E. Choi, F. Dunmore, S. Liu, X. Ying, Qi Li, T. Venkatesan, H. D. Drew, Qi Li, and D. B. Fenner

Phys. Rev. Lett. 69, 355 (1992) - Published 13 July, 1992

Anomaly of phonon state of superconducting ${YBa}_{2}$ ${Cu}_{3}$ $O_{7}$ studied by inelastic neutron scattering

M. Arai, K. Yamada, Y. Hidaka, S. Itoh, Z. A. Bowden, A. D. Taylor, and Y. Endoh

Phys. Rev. Lett. 69, 359 (1992) - Published 13 July, 1992

Semiclassical quantization of interacting anyons in a strong magnetic field

Shimon Levit and Noam Sivan

Phys. Rev. Lett. 69, 363 (1992) - Published 13 July, 1992

Breakdown of hydrodynamics in the classical 1D Heisenberg model

O. F. de Alcantara Bonfim and George Reiter

Phys. Rev. Lett. 69, 367 (1992) - Published 13 July, 1992

Onsager cavity fields in itinerant-electron paramagnets

J. B. Staunton and B. L. Gyorffy

Phys. Rev. Lett. 69, 371 (1992) - Published 13 July, 1992

Electrical resistivity anomaly at the nuclear magnetic ordering in a Van Vleck paramagnet ${PrCu}_{6}$

T. Miki, M. Yanaka, M. Nakagawa, D. Kim, O. Ishikawa, T. Hata, H. Ishii, T. Kodama, and Y. Ōnuki

Phys. Rev. Lett. 69, 375 (1992) - Published 13 July, 1992

Optical activity of selenium: A nearly first-principles calculation

Hua Zhong, Zachary H. Levine, Douglas C. Allan, and John W. Wilkins

Phys. Rev. Lett. 69, 379 (1992) - Published 13 July, 1992

Dynamics of the direct reaction of hydrogen atoms adsorbed on Cu(111) with hydrogen atoms incident from the gas phase

C. T. Rettner

Phys. Rev. Lett. 69, 383 (1992) - Published 13 July, 1992

COMMENTS

Comment on ‘‘Nucleation of $C_{60}$ clusters’’

I. J. Ford and C. F. Clement

Phys. Rev. Lett. 69, 387 (1992) - Published 13 July, 1992

Chelikowsky replies

J. R. Chelikowsky

Phys. Rev. Lett. 69, 388 (1992) - Published 13 July, 1992

Comment on ‘‘Ab initio study of the spontaneous polarization of pyroelectric BeO’’

A. K. Tagantsev

Phys. Rev. Lett. 69, 389 (1992) - Published 13 July, 1992

Baldereschi, Posternak, and Resta reply

A. Baldereschi, M. Posternak, and R. Resta

Phys. Rev. Lett. 69, 390 (1992) - Published 13 July, 1992

ERRATA

Laser Polarized Muonic Helium

N. R. Newbury, A. S. Barton, P. Bogorad, G. D. Cates, M. Gatzke, B. Saam, L. Han, R. Holmes, P. A. Souder, J. Xu, and D. Benton

Phys. Rev. Lett. 69, 391 (1992) - Published 13 July, 1992

Quasielastic Scattering of Polarized Electrons from Polarized ${}^{3}{He}$ and Measurement of the Neutron's Form Factors

A. K. Thompson, A. M. Bernstein, T. E. Chupp, D. J. DeAngelis, G. E. Dodge, G. Dodson, K. A. Dow, M. Farkhondeh, W. Fong, J. Y. Kim, R. A. Loveman, J. M. Richardson, H. Schmieden, D. R. Tieger, T. C. Yates, M. E. Wagshul, and J. D. Zumbro

Phys. Rev. Lett. 69, 391 (1992) - Published 13 July, 1992