Volume 51, Issue 25

J. Schweppe, A. Gruppe, K. Bethge, H. Bokemeyer, T. Cowan, H. Folger, J. S. Greenberg, H. Grein, S. Ito, R. Schule, D. Schwalm, K. E. Stiebing, N. Trautmann, P. Vincent, and M. Waldschmidt

Phys. Rev. Lett. 51, 2261 (1983) - Published 19 December, 1983

Nuclei

Rotational Behavior at High Spin in ${}^{168}{Hf}$

R. Chapman, J. C. Lisle, J. N. Mo, E. Paul, A. Simcock, J. C. Willmott, J. R. Leslie, H. G. Price, P. M. Walker, J. C. Bacelar, J. D. Garrett, G. B. Hagemann, B. Herskind, A. Holm, and P. J. Nolan

Phys. Rev. Lett. 51, 2265 (1983) - Published 19 December, 1983

Isospin and Isobar Components in Light Nuclei

J. F. Wilkerson, R. E. Anderson, T. B. Clegg, E. J. Ludwig, and W. J. Thompson

Phys. Rev. Lett. 51, 2269 (1983) - Published 19 December, 1983

Atoms and Molecules

Circular Polarization of Impact Radiation Produced by Polarized Electrons in Mercury

J. Goeke, G. F. Hanne, J. Kessler, and A. Wolcke

Phys. Rev. Lett. 51, 2273 (1983) - Published 19 December, 1983

Positronium Formation in Collisions of Positrons with He, Ar, and $H_{2}$

L. S. Fornari, L. M. Diana, and P. G. Coleman

Phys. Rev. Lett. 51, 2276 (1983) - Published 19 December, 1983

Large-Order Perturbation Theory in the Stark-Zeeman Effect for Parallel Fields

Bruce R. Johnson, Karl F. Scheibner, and David Farrelly

Phys. Rev. Lett. 51, 2280 (1983) - Published 19 December, 1983

Classical Phenomenology and Applications

Dynamic Stability of a Doubly Diffusive System under Parametric Modulation

Jayanta K. Bhattacharjee and Kalyan Banerjee

Phys. Rev. Lett. 51, 2284 (1983) - Published 19 December, 1983

Fluids, Plasmas, and Electric Discharges

Measurements of the Diffusion Coefficient for Soot Particles in Flames

W. L. Flower

Phys. Rev. Lett. 51, 2287 (1983) - Published 19 December, 1983

Condensed Matter: Structure, Etc.

Very High-Resolution Heat-Capacity Measurements near the Lambda Point of Helium

J. A. Lipa and T. C. P. Chui

Phys. Rev. Lett. 51, 2291 (1983) - Published 19 December, 1983

Transition from Dissipationless Superflow to Homogeneous Superfluid Turbulence

Marie L. Baehr, L. B. Opatowsky, and J. T. Tough

Phys. Rev. Lett. 51, 2295 (1983) - Published 19 December, 1983

Observation of Macroscopic Collective Behavior and New Texture in Magnetically Doped Liquid Crystals

Shu-Hsia Chen and Nabil M. Amer

Phys. Rev. Lett. 51, 2298 (1983) - Published 19 December, 1983

Dynamical Model for the Absorption and Scattering of Ballistic Phonons by the Electron Inversion Layer in Silicon

J. C. Hensel, B. I. Halperin, and R. C. Dynes

Phys. Rev. Lett. 51, 2302 (1983) - Published 19 December, 1983

One- and Two-Dimensional Crystallization of Magnetic Holes

A. T. Skjeltorp

Phys. Rev. Lett. 51, 2306 (1983) - Published 19 December, 1983

Condensed Matter: Electronic Properties, Etc.

Unit Charge on Supported Gold Clusters in Photoemission Final State

G. K. Wertheim, S. B. DiCenzo, and S. E. Youngquist

Phys. Rev. Lett. 51, 2310 (1983) - Published 19 December, 1983

Nature of Surface-Enhanced-Raman-Scattering Active Sites on Coldly Condensed Ag Films

E. V. Albano, S. Daiser, G. Ertl, R. Miranda, K. Wandelt, and N. Garcia

Phys. Rev. Lett. 51, 2314 (1983) - Published 19 December, 1983

New Transient Electrical Polarization Phenomenon in Sawtooth Superlattices

F. Capasso, S. Luryi, W. T. Tsang, C. G. Bethea, and B. F. Levine

Phys. Rev. Lett. 51, 2318 (1983) - Published 19 December, 1983

New Explanation of the Spin-Wave-Like Excitations in Ni above $T_{c}$

Y. J. Uemura, G. Shirane, O. Steinsvoll, and J. Wicksted

Phys. Rev. Lett. 51, 2322 (1983) - Published 19 December, 1983

Resonant Raman Scattering from Amplitude Modes in trans- ${(CH)}_{x}$ and - ${(CD)}_{x}$

Z. Vardeny, E. Ehrenfreund, O. Brafman, and B. Horovitz

Phys. Rev. Lett. 51, 2326 (1983) - Published 19 December, 1983

Raman Scattering from Coupled Phonon and Electronic Crystal-Field Excitations in Ce ${Al}_{2}$

G. Güntherodt, A. Jayaraman, G. Batlogg, M. Croft, and E. Melczer

Phys. Rev. Lett. 51, 2330 (1983) - Published 19 December, 1983

Tetramethyltetraselenafulvalenium Perchlorate, ${(TMTSF)}_{2}$ Cl $O_{4}$ , in High Magnetic Fields

P. M. Chaikin, Mu-Yong Choi, J. F. Kwak, J. S. Brooks, K. P. Martin, M. J. Naughton, E. M. Engler, and R. L. Greene

Phys. Rev. Lett. 51, 2333 (1983) - Published 19 December, 1983

Transport Dynamics of a Large Acoustic Polaron in One Dimension

H. -B. Schüttler and T. Holstein

Phys. Rev. Lett. 51, 2337 (1983) - Published 19 December, 1983

Geophysics, Astronomy, and Astrophysics

Observation of a Burst of Cosmic Rays at Energies above 7× $10^{13}$ eV

D. J. Fegan, B. McBreen, and C. O'Sullivan

Phys. Rev. Lett. 51, 2341 (1983) - Published 19 December, 1983

ERRATA

Experimental Evidence of Intermittencies Associated with a Subharmonic Bifurcation.

M. Dubois, M. A. Rubio, and P. Berge

Phys. Rev. Lett. 51, 2345 (1983) - Published 19 December, 1983