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AMERICAN PHYSICAL SOCIETY



Physical Review Letters – 8 January 1990
(Volume 64, Issue 2)





Cosmic-string evolution: A numerical simulation
B. Allen and E. P. Shellard
pp. 119-122 [View   PDF (692 kB) ]

Dark matter, time-varying G, and a dilaton field
T. Damour, G. W. Gibbons, and C. Gundlach
pp. 123-126 [View   PDF (597 kB) ]


Nonperturbative two-dimensional quantum gravity
David J. Gross and Alexander A. Migdal
pp. 127-130 [View   PDF (706 kB) ]

Wormholes and Peccei-Quinn symmetries
Kiwoon Choi and R. Holman
pp. 131-134 [View   PDF (700 kB) ]

Phenomenology and cosmology of extra generations of Higgs bosons
Kim Griest and Marc Sher
pp. 135-138 [View   PDF (739 kB) ]

Chiral Schwinger model in terms of chiral bosonization
Koji Harada
pp. 139-141 [View   PDF (380 kB) ]

Potential contribution to the ΔI=(1/2 rule in K→ππ
Nathan Isgur, Kim Maltman, John Weinstein, and Ted Barnes
pp. 161-164 [View   PDF (729 kB) ]

Improved limit on the branching ratio of K+π+μ+e-
A. M. Lee, C. Alliegro, C. Campagnari, V. Chaloupka, P. S. Cooper, J. Egger, H. A. Gordon, N. J. Hadley, W. D. Herold, E. A. Jagel, H. Kaspar, D. M. Lazarus, H. J. Lubatti, P. Rehak, M. E. Zeller, and T. Zhao
pp. 165-168 [View   PDF (583 kB) ]

Upper limit on the absolute branching fraction for Ds+→φπ+
J. Adler et al.
pp. 169-171 [View   PDF (474 kB) ]


Measurement of np→dπ0 cross sections very near threshold
D. A. Hutcheon, E. Korkmaz, G. A. Moss, R. Abegg, N. E. Davison, G. W. Edwards, L. G. Greeniaus, D. Mack, C. A. Miller, W. C. Olsen, I. J. van Heerden, and Ye Yanlin
pp. 176-179 [View   PDF (610 kB) ]


Efficiency enhancement and optical guiding in a tapered high-power finite-pulse free-electron laser
B. Hafizi, A. Ting, P. Sprangle, and C. M. Tang
pp. 180-183 [View   PDF (519 kB) ]

Dynamical regimes of directional viscous fingering: Spatiotemporal chaos and wave propagation
M. Rabaud, S. Michalland, and Y. Couder
pp. 184-187 [View   PDF (895 kB) ]


Dynamics of a 2D liquid on a periodic substrate: Rb in graphite
J. D. Fan, George Reiter, and S. C. Moss
pp. 188-191 [View   PDF (524 kB)  See Also: Erratum]

Direct optical measurement of surface dielectric responses: Interrupted growth on (001) GaAs
D. E. Aspnes, Y. C. Chang, A. A. Studna, L. T. Florez, H. H. Farrell, and J. P. Harbison
pp. 192-195 [View   PDF (634 kB) ]

Mechanism of internal gettering of interstitial impurities in Czochralski-grown silicon
Dieter Gilles, Eicke R. Weber, and SooKap Hahn
pp. 196-199 [View   PDF (686 kB) ]

Real-space atomic structure of a two-dimensional decagonal quasicrystal
A. Refik Kortan, Russell S. Becker, F. A. Thiel, and H. S. Chen
pp. 200-203 [View   PDF (1142 kB) ]

New high-pressure phase transition in zirconium metal
Hui Xia, Steven J. Duclos, Arthur L. Ruoff, and Yogesh K. Vohra
pp. 204-207 [View   PDF (563 kB) ]


Hall voltage collapse at filamentary current flow causing chaotic fluctuations in n-GaAs
A. Brandl, W. Kröninger, W. Prettl, and G. Obermair
pp. 212-215 [View   PDF (602 kB) ]

Edge channels for the fractional quantum Hall effect
C. W. Beenakker
pp. 216-219 [View   PDF (620 kB) ]

Edge states in the fractional-quantum-Hall-effect regime
A. H. MacDonald
pp. 220-223 [View   PDF (620 kB) ]

Electron and nuclear magnetic relaxation in La2CuO4 and related cuprates
Sudip Chakravarty and Raymond Orbach
pp. 224-227 [View   PDF (606 kB) ]

Thermally activated phase slippage in high-Tc grain-boundary Josephson junctions
R. Gross, P. Chaudhari, D. Dimos, A. Gupta, and G. Koren
pp. 228-231 [View   PDF (706 kB) ]

Generalized flux phases for the t-J model: A variational Monte Carlo study
Shoudan Liang and Nandini Trivedi
pp. 232-235 [View   PDF (659 kB) ]


Comment on ‘‘Theory of electronic diamagnetism in two-dimensional lattices’’
V. Nikos Nicopoulos and S. A. Trugman
pp. 237 [View   PDF (138 kB) ]


Observation of the Transition State HD2 in Collisions, H+D2
B. A. Collings, J. C. Polanyi, M. A. Smith, A. Stolow, and A. W. Tarr
pp. 238 [View   PDF (71 kB) ]

Critical Magnetic Field Dependence of Thermally Activated Surface Processes
U. Seifert and H. Wagner
pp. 238 [View   PDF (71 kB) ]