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AMERICAN PHYSICAL SOCIETY



Physical Review Letters – 3 August 1987
(Volume 59, Issue 5)




Space-time as a causal set
Luca Bombelli, Joohan Lee, David Meyer, and Rafael D. Sorkin
pp. 521-524 [View   PDF (723 kB) ]

Relativistic, many-particle Lagrangean for electromagnetic interactions
R. A. Moore, T. C. Scott, and M. B. Monagan
pp. 525-527 [View   PDF (546 kB) ]


Simple discrete symmetries in phenomenologically viable E6 superstring models
Manuel Drees and Xerxes Tata
pp. 528-531 [View   PDF (752 kB) ]

Operator regularization of Green’s functions
D. G. McKeon and T. N. Sherry
pp. 532-534 [View   PDF (400 kB) ]


First observation of a near-harmonic vibrational nucleus
A. Aprahamian, D. S. Brenner, R. F. Casten, R. L. Gill, and A. Piotrowski
pp. 535-538 [View   PDF (542 kB) ]


Exact tricritical exponents for polymers at the FTHETA point in two dimensions
Bertrand Duplantier and Hubert Saleur
pp. 539-542 [View   PDF (606 kB) ]

Squeezing of spontaneous emission in a laser
J. Gea-Banacloche
pp. 543-546 [View   PDF (575 kB) ]


Single-mode operation of a high-power, step-tunable gyrotron
K. E. Kreischer and R. J. Temkin
pp. 547-550 [View   PDF (587 kB) ]


Chaotic behavior and period doubling in plasmas
P. Y. Cheung and A. Y. Wong
pp. 551-554 [View   PDF (602 kB) ]


Wetting phenomena of binary liquid mixtures on chemically altered substrates
Douglas J. Durian and Carl Franck
pp. 555-558 [View   PDF (576 kB)  See Also: Erratum]

An inference of high atom densities in solid tritium for nuclear magnetic resonance measurements
James R. Gaines, James D. Sater, Evelyn M. Fearon, P. C. Souers, Fred E. McMurphy, and Evan R. Mapoles
pp. 563-566 [View   PDF (622 kB) ]

Phonon ringing and anharmonicity effects in core spectra
A. Mansour and S. E. Schnatterly
pp. 567-569 [View   PDF (461 kB) ]

Ab initio determination of a structural phase transition temperature
K. M. Rabe and J. D. Joannopoulos
pp. 570-573 [View   PDF (531 kB) ]

Mode anharmonicity in molecular crystals studied by piezomodulated Raman spectrosocpy
K. M. White and C. J. Eckhardt
pp. 574-577 [View   PDF (542 kB) ]


Spin localization in Si:Pdirect evidence from 31P NMR
H. Alloul and P. Dellouve
pp. 578-581 [View   PDF (620 kB) ]

Two-dimensional open-orbit edge states: A new type of quantum oscillation
M. Ya. Azbel and P. M. Chaikin
pp. 582-585 [View   PDF (570 kB) ]

Nature of the Griffiths phase
A. J. Bray
pp. 586-589 [View   PDF (608 kB) ]

New configuration-coordinate model for the ground, excited, and metastable states of EL2 in GaAs
Yasunori Mochizuki and Toshiaki Ikoma
pp. 590-593 [View   PDF (665 kB) ]

Optical pair interactions in the four-wave mixing spectrum of Nd3+-doped β-Na-alumina
S. C. Rand, J. F. Lam, R. S. Turley, R. A. McFarlane, and O. M. Stafsudd
pp. 597-600 [View   PDF (568 kB) ]


Comment on ‘‘Excitonic coupling in GaAs/GaAlAs quantum wells in an electric field’’
Gerrit E. Bauer and Tsuneya Ando
pp. 601 [View   PDF (161 kB) ]

Viña Iet al.P reply
L. Vina, R. T. Collins, E. E. Mendez, and W. I. Wang
pp. 602 [View   PDF (52 kB) ]

Raman scattering from fractal structures
T. Keyes and T. Ohtsuki
pp. 603 [View   PDF (153 kB) ]

Boukenter Iet al.P reply
A. Boukenter, B. Champagnon, E. Duval, and J. Serughetti
pp. 604 [View   PDF (87 kB) ]


X-Ray Scattering from Sodium-Doped Polyacetylene: Incommensurate-Commensurate and Order-Disorder Transformations
M. Winokur, Y. B. Moon, A. J. Heeger, J. Barker, D. C. Bott, and H. Shirakawa
pp. 608 [View   PDF (28 kB) ]

Direct Subpicosecond Measurement of Carrier Mobility of Photoexcited Electrons in Gallium Arsenide
M. C. Nuss, D. H. Auston, and F. Capasso
pp. 608 [View   PDF (28 kB) ]