Volume 58, Issue 15

K. Wallmeroth, G. Bollen, A. Dohn, P. Egelhof, J. Grüner, F. Lindenlauf, U. Krönert, J. Campos, A. Rodriguez Yunta, M. J. G. Borge, A. Venugopalan, J. L. Wood, R. B. Moore, and H. -J. Kluge

Phys. Rev. Lett. 58, 1516 (1987) - Published 13 April, 1987

Anomalous behavior of the proton-induced fission cross sections of ${}^{235}U$ and ${}^{238}U$ at extreme sub-barrier energies

N. N. Ajitanand, K. N. Iyengar, R. P. Anand, D. M. Nadkarni, and A. K. Mohanty

Phys. Rev. Lett. 58, 1520 (1987) - Published 13 April, 1987

Atomic, Molecular, and Optical Physics

Production of ${Pb}^{+}$ ions following 5d core photoionization of tetramethyl lead as revealed by a coincidence experiment

S. Nagaoka, S. Suzuki, and I. Koyano

Phys. Rev. Lett. 58, 1524 (1987) - Published 13 April, 1987

Condensed Matter: Structure, Etc.

Charge-transfer effects in graphite intercalates: Ab initio calculations and neutron-diffraction experiment

C. T. Chan, W. A. Kamitakahara, K. M. Ho, and P. C. Eklund

Phys. Rev. Lett. 58, 1528 (1987) - Published 13 April, 1987

Neutron-scattering evidence of polymer persistence-length enhancement caused by physical gelation

Jean-Michel Guenet

Phys. Rev. Lett. 58, 1532 (1987) - Published 13 April, 1987

Direct observation of atomic structures and reconstructions of silicon surfaces: A field-ion-microscope study

H. M. Liu, T. T. Tsong, and Y. Liou

Phys. Rev. Lett. 58, 1535 (1987) - Published 13 April, 1987

Flexoelectric electro-optics of a cholesteric liquid crystal

J. S. Patel and Robert B. Meyer

Phys. Rev. Lett. 58, 1538 (1987) - Published 13 April, 1987

Dendritic crystallization: Numerical study of the one-sided model

Y. Saito, G. Goldbeck-Wood, and H. Müller-Krumbhaar

Phys. Rev. Lett. 58, 1541 (1987) - Published 13 April, 1987

Mean-field and Ising critical behavior of a polymer blend

D. Schwahn, K. Mortensen, and H. Yee-Madeira

Phys. Rev. Lett. 58, 1544 (1987) - Published 13 April, 1987

Condensed Matter: Electronic Properties, Etc.

Bond-centered hydrogen or muonium in diamond: The explanation for anomalous muonium and an example of metastability

T. L. Estle, S. Estreicher, and D. S. Marynick

Phys. Rev. Lett. 58, 1547 (1987) - Published 13 April, 1987

Many-body calculation of surface states: As on Ge(111)

Mark S. Hybertsen and Steven G. Louie

Phys. Rev. Lett. 58, 1551 (1987) - Published 13 April, 1987

Surface and bulk core-level shifts of the Si(111)√3 √3 -Ag surface: Evidence for a charged √3 √3 layer

S. Kono, K. Higashiyama, T. Kinoshita, T. Miyahara, H. Kato, H. Ohsawa, Y. Enta, F. Maeda, and Y. Yaegashi

Phys. Rev. Lett. 58, 1555 (1987) - Published 13 April, 1987

Excess electrons in liquid water: First evidence of a prehydrated state with femtosecond lifetime

A. Migus, Y. Gauduel, J. L. Martin, and A. Antonetti

Phys. Rev. Lett. 58, 1559 (1987) - Published 13 April, 1987

Non-Ohmic transport in the field-induced spin-density-wave state in tetramethyltetraselenafulvalinium chlorate, (TMTSF $)_{2}$ ${ClO}_{4}$

T. Osada, N. Miura, I. Oguro, and G. Saito

Phys. Rev. Lett. 58, 1563 (1987) - Published 13 April, 1987

New method to study the electron-phonon interaction in metals

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

Phys. Rev. Lett. 58, 1567 (1987) - Published 13 April, 1987

Evidence for a Peierls distortion in ${La}_{2}$ ${CuO}_{4}$ from vibrational spectroscopy

Michael Stavola, R. J. Cava, and E. A. Rietman

Phys. Rev. Lett. 58, 1571 (1987) - Published 13 April, 1987

Superconductivity and magnetism in the high- $T_{c}$ superconductor YBaCuO

J. Z. Sun, D. J. Webb, M. Naito, K. Char, M. R. Hahn, J. W. P. Hsu, A. D. Kent, D. B. Mitzi, B. Oh, M. R. Beasley, T. H. Geballe, R. H. Hammond, and A. Kapitulnik

Phys. Rev. Lett. 58, 1574 (1987) - Published 13 April, 1987

Geophysics, Astronomy, and Astrophysics

Statistical mechanics of cosmic strings

David Mitchell and Neil Turok

Phys. Rev. Lett. 58, 1577 (1987) - Published 13 April, 1987

Reexamination of evidence for a radiatively decaying neutrino

J. Murthy and R. C. Henry

Phys. Rev. Lett. 58, 1581 (1987) - Published 13 April, 1987

COMMENTS

Comment on ‘‘Weak mixing angles from semileptonic decays in the quark model’’

Timothy Altomari and Lincoln Wolfenstein

Phys. Rev. Lett. 58, 1583 (1987) - Published 13 April, 1987

Comment on ‘‘Entrance- and exit-channel effects and the suppression of neutron emission from ${}^{64}{Ni}$ $+^{92}$ Zr $\to^{156}$ Er’’

A. Ruckelshausen, B. Haas, D. Habs, R. V. F. Janssens, T. L. Khoo, W. Kühn, V. Metag, D. Schwalm, and R. S. Simon

Phys. Rev. Lett. 58, 1584 (1987) - Published 13 April, 1987