Volume 68, Issue 26

Reena Meijer Drees, Chris Waltham, Tiziano Bernasconi, Stephan Egli, Erwin Hermes, Franz Muheim, Carsten Niebuhr, Henk Pruys, Andries van der Schaaf, Wilhelm Bertl, Martin Grossmann-Handschin, Nicolas Lordong, Detlef Vermeulen, H. Kristian Walter, Ralph Eichler, Larry Felawka, Tadeusz Kozlowski, Stephen Playfer, and Jacques Martino

Phys. Rev. Lett. 68, 3845 (1992) - Published 29 June, 1992

Nuclear Physics

Skyrmions and the nuclear force

Niels R. Walet, R. D. Amado, and Atsushi Hosaka

Phys. Rev. Lett. 68, 3849 (1992) - Published 29 June, 1992

Shape coexistence and electric monopole transitions in ${}^{184}{Pt}$

Y. Xu, K. S. Krane, M. A. Gummin, M. Jarrio, J. L. Wood, E. F. Zganjar, and H. K. Carter

Phys. Rev. Lett. 68, 3853 (1992) - Published 29 June, 1992

Atomic, Molecular, and Optical Physics

Electronic wave functions near coalescence points

M. Hoffmann-Ostenhof, T. Hoffmann-Ostenof, and H. Stremnitzer

Phys. Rev. Lett. 68, 3857 (1992) - Published 29 June, 1992

Dynamics and spatial order of cold cesium atoms in a periodic optical potential

P. Verkerk, B. Lounis, C. Salomon, C. Cohen-Tannoudji, J.-Y. Courtois, and G. Grynberg

Phys. Rev. Lett. 68, 3861 (1992) - Published 29 June, 1992

Population of long-lived vibrational levels of CO: $I^{1}$ $Σ^{-}$ and $D^{1}$ Δ

Kate Kirby, Marcy E. Rosenkrantz, and David L. Cooper

Phys. Rev. Lett. 68, 3865 (1992) - Published 29 June, 1992

Vibrational trapping and suppression of dissociation in intense laser fields

A. Giusti-Suzor and F. H. Mies

Phys. Rev. Lett. 68, 3869 (1992) - Published 29 June, 1992

Positron and electron backscattering from solids

G. R. Massoumi, N. Hozhabri, K. O. Jensen, W. N. Lennard, M. S. Lorenzo, P. J. Schultz, and A. B. Walker

Phys. Rev. Lett. 68, 3873 (1992) - Published 29 June, 1992

Plasma and Beam Physics

Measurements of beat-wave-accelerated electrons in a toroidal plasma

J. H. Rogers and D. Q. Hwang

Phys. Rev. Lett. 68, 3877 (1992) - Published 29 June, 1992

Sawtooth oscillations with the central safety factor, $q_{0}$ , below unity

Ya. I. Kolesnichenko, Yu. V. Yakovenko, D. Anderson, M. Lisak, and F. Wising

Phys. Rev. Lett. 68, 3881 (1992) - Published 29 June, 1992

Condensed Matter: Structure, Etc.

Step-height mixtures on vicinal Si(111) surfaces

Jian Wei, X.-S. Wang, J. L. Goldberg, N. C. Bartelt, and Ellen D. Williams

Phys. Rev. Lett. 68, 3885 (1992) - Published 29 June, 1992

Influence of quenched disorder on commensurate-incommensurate transition: Exact results

A. M. Tsvelik

Phys. Rev. Lett. 68, 3889 (1992) - Published 29 June, 1992

Anomalous helium bubble diffusion in dilute aluminum alloys

Clinton DeW. Van Siclen, Richard N. Wright, and Stephen G. Usmar

Phys. Rev. Lett. 68, 3892 (1992) - Published 29 June, 1992

Thermal expansion coefficient near the superfluid transition of ${}^{4}{He}$ in an aerogel

Melora Larson, Norbert Mulders, and Guenter Ahlers

Phys. Rev. Lett. 68, 3896 (1992) - Published 29 June, 1992

Condensed Matter: Electronic Properties, Etc.

Universal crossover in variable range hopping with Coulomb interactions

Amnon Aharony, Youzhu Zhang, and M. P. Sarachik

Phys. Rev. Lett. 68, 3900 (1992) - Published 29 June, 1992

Observation of the 1P excitonic states in Cd(S,Se)-glass quantum dots

Kai Shum, W. B. Wang, R. R. Alfano, and Kim M. Jones

Phys. Rev. Lett. 68, 3904 (1992) - Published 29 June, 1992

Competition between lattice pinning and impurity pinning: Variational theory and physical realizations

Jean-Philippe Bouchaud and Antoine Georges

Phys. Rev. Lett. 68, 3908 (1992) - Published 29 June, 1992

Spin-lattice relaxation at high magnetic fields

T. Strutz, A. M. Witowski, and P. Wyder

Phys. Rev. Lett. 68, 3912 (1992) - Published 29 June, 1992

Collective resonance in large free potassium cluster ions

C. Bréchignac, Ph. Cahuzac, N. Kebaïli, J. Leygnier, and A. Sarfati

Phys. Rev. Lett. 68, 3916 (1992) - Published 29 June, 1992

Picosecond capture of photoexcited holes by shallow acceptors in p-type GaAs

A. Lohner, M. Woerner, T. Elsaesser, and W. Kaiser

Phys. Rev. Lett. 68, 3920 (1992) - Published 29 June, 1992

Band gap, excitons, and Coulomb interaction in solid $C_{60}$

R. W. Lof, M. A. van Veenendaal, B. Koopmans, H. T. Jonkman, and G. A. Sawatzky

Phys. Rev. Lett. 68, 3924 (1992) - Published 29 June, 1992

de-Haas–van Alphen effect in superconducting $V_{3}$ Si

F. M. Mueller, D. H. Lowndes, Y. K. Chang, A. J. Arko, and R. S. List

Phys. Rev. Lett. 68, 3928 (1992) - Published 29 June, 1992

Cross-Disciplinary Physics

Experimental determination of the long-time behavior in reversible binary chemical reactions

Dan Huppert, Sinay Y. Goldberg, Asnat Masad, and Noam Agmon

Phys. Rev. Lett. 68, 3932 (1992) - Published 29 June, 1992

COMMENTS

Interpretation of de Haas–van Alphen measurements on ${YBa}_{2}$ ${Cu}_{3}$ $O_{7}$

I. I. Mazin, O. Jepsen, O. K. Andersen, and A. I. Liechtenstein

Phys. Rev. Lett. 68, 3936 (1992) - Published 29 June, 1992

Mueller et al. reply

F. M. Mueller, C. M. Fowler, B. J. Freeman, W. L. Hults, J. C. King, and J. L. Smith

Phys. Rev. Lett. 68, 3937 (1992) - Published 29 June, 1992

ERRATA

Effect of Singular Interaction Terms on Two-Dimensional Fermi Liquids

P. C. E. Stamp

Phys. Rev. Lett. 68, 3938 (1992) - Published 29 June, 1992