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AMERICAN PHYSICAL SOCIETY



Physical Review Letters – 15 October 1990
(Volume 65, Issue 16)




Test of the inverse-square law of gravitation using the 300-m tower at Erie, Colorado
C. C. Speake, T. M. Niebauer, M. P. McHugh, P. T. Keyser, J. E. Faller, J. Y. Cruz, J. C. Harrison, Jaako Mäkinen, and R. B. Beruff
pp. 1967-1971 [View   PDF (751 kB) ]

Possible solution to the cosmological-constant problem
Y. Jack Ng and H. van Dam
pp. 1972-1974 [View   PDF (386 kB) ]


New string partition functions with vanishing cosmological constant
Keith R. Dienes
pp. 1979-1982 [View   PDF (767 kB) ]

Euclidean continuation of the Dirac fermion
Mayank R. Mehta
pp. 1983-1986 [View   PDF (622 kB)  See Also: Erratum]


Role of the πN P11 interaction in πd elastic scattering at 50 MeV
N. R. Stevenson et al.
pp. 1987-1990 [View   PDF (613 kB) ]


Indirect x-ray line formation processes in highly charged barium
P. Beiersdorfer, A. L. Osterheld, M. H. Chen, J. R. Henderson, D. A. Knapp, M. A. Levine, R. E. Marrs, K. J. Reed, M. B. Schneider, and D. A. Vogel
pp. 1995-1998 [View   PDF (678 kB) ]


Hydrodynamic motion of a heavy-ion-beam-heated plasma
J. Jacoby, D. H. Hoffmann, R. W. Müller, K. Mahrt-Olt, R. C. Arnold, V. Schneider, and J. Maruhn
pp. 2007-2010 [View   PDF (708 kB) ]

Force-free electromagnetic pulses in a laboratory plasma
R. L. Stenzel and J. M. Urrutia
pp. 2011-2014 [View   PDF (670 kB) ]


Superfluorescence and amplified spontaneous emission of 29-cm-1 phonons in ruby
M. H. Overwijk, J. I. Dijkhuis, and H. W. de Wijn
pp. 2015-2018 [View   PDF (645 kB) ]

Effect of plastic flow on the kinetics of amorphous phase growth by solid state reaction in the Ni-Zr system
G. Mazzone, A. Montone, and M. Vittori Antisari
pp. 2019-2022 [View   PDF (661 kB) ]

Copper in silicon
R. Keller, M. Deicher, W. Pfeiffer, H. Skudlik, D. Steiner, and Th. Wichert
pp. 2023-2026 [View   PDF (666 kB) ]

Oxygen chemisorption on Cu(110): A model for the c(6×2) structure
R. Feidenhans’l, F. Grey, M. Nielsen, F. Besenbacher, F. Jensen, E. Laegsgaard, I. Stensgaard, K. W. Jacobsen, J. K. Nørskov, and R. L. Johnson
pp. 2027-2030 [View   PDF (836 kB) ]


Korringa-Kohn-Rostoker spectral-band theory for general potentials
Roger G. Newton
pp. 2031-2034 [View   PDF (517 kB) ]

Nonadiabatic surface reaction: Mechanism of electron emission in the Cs+O2 system
A. Böttcher, R. Imbeck, A. Morgante, and G. Ertl
pp. 2035-2037 [View   PDF (515 kB) ]

Hyperthermal surface ionization of mercury from Pt(111)
Albert Danon, Amichay Vardi, and Aviv Amirav
pp. 2038-2041 [View   PDF (630 kB) ]

Spectral density for fermion tunneling between two centers in a metallic environment
V. L. Líbero and L. N. Oliveira
pp. 2042-2045 [View   PDF (695 kB) ]

Anion-antisite-like defects in III-V compounds
M. J. Caldas, J. Dabrowski, A. Fazzio, and M. Scheffler
pp. 2046-2049 [View   PDF (656 kB) ]

Vertical transport in semiconductor superlattices probed by miniband-to-acceptor magnetoluminescence
B. J. Skromme, R. Bhat, M. A. Koza, S. A. Schwarz, T. S. Ravi, and D. M. Hwang
pp. 2050-2053 [View   PDF (697 kB) ]

Magnetization reversal in ultrathin ferromagnetic films with perpendicular anistropy: Domain observations
J. Pommier, P. Meyer, G. Pénissard, J. Ferré, P. Bruno, and D. Renard
pp. 2054-2057 [View   PDF (702 kB) ]

Enhancement of the Curie temperature of epitaxial Fe films on W(110) caused by adsorption of submonolayers of Fe, Pd, Ag, and O
W. Weber, D. Kerkmann, D. Pescia, D. A. Wesner, and G. Güntherodt
pp. 2058-2061 [View   PDF (617 kB) ]

Anisotropic temperature dependence of the magnetic-field penetration in superconducting UPt3
C. Broholm, G. Aeppli, R. N. Kleiman, D. R. Harshman, D. J. Bishop, E. Bucher, D. Ll. Williams, E. J. Ansaldo, and R. H. Heffner
pp. 2062-2065 [View   PDF (688 kB) ]

Critical fluctuations in high-temperature superconductors and the Ettingshausen effect
Salman Ullah and Alan T. Dorsey
pp. 2066-2069 [View   PDF (694 kB) ]

Pinning forces and lower critical fields in YBa2Cu3Oy crystals: Temperature dependence and anisotropy
Dong-Ho Wu and S. Sridhar
pp. 2074-2077 [View   PDF (709 kB)  See Also: Erratum]


Comment on ‘‘Soft-pion theorems and a light-cone quark model’’
D. Drechsel and H. J. Weber
pp. 2078 [View   PDF (184 kB) ]

Cao and Kisslinger reply
Z-J. Cao and L. S. Kisslinger
pp. 2079 [View   PDF (209 kB) ]

Comment on nonstatistical excited-state populations
R. P. Schmitt
pp. 2080 [View   PDF (129 kB) ]

Nayak and Lynch reply
T. K. Nayak and W. G. Lynch
pp. 2081 [View   PDF (187 kB) ]

Exchange-correlation potentials in Schottky barriers and heterojunctions
R. W. Godby, L. J. Sham, and M. Schlüter
pp. 2083 [View   PDF (331 kB) ]

Das et al. reply
G. P. Das, P. Blöchl, O. K. Andersen, N. E. Christensen, and O. Gunnarsson
pp. 2084 [View   PDF (178 kB) ]


Erratum: Solution and hidden supersymmetry of a Dirac oscillator [Phys. Rev. Lett. 64, 1643 (1990)]
J. Benítez, R. P. Martínez y Romero, H. N. Núñez-Yépez, and A. L. Salas-Brito
pp. 2085 [View   PDF (73 kB) ]

Reductions of Self-Dual Yang-Mills Fields and Classical Systems
S. Chakravarty, M. J. Ablowitz, and P. A. Clarkson
pp. 2086 [View   PDF (39 kB) ]