PERIODICALS PHYSICAL REVIEW D Postmaster send address changes to: For editorial and subscription correspondence, American Institute of please see inside front cover 500 Sunnyside Boulevard (ISSN: 0556-2821) Woodbury, NY 11797-2999

THIRD SERIES, VOLUME 55, NUMBER 12 CONTENTS 15 JUNE 1997

RAPID COMMUNICATIONS Blue perturbation spectra from hybrid inflation with canonical ...... R7335 C. Panagiotakopoulos New scenario for the early evolution of the Universe ...... R7340 V. Burdyuzha, O. Lalakulich, Yu. Ponomarev, and G. Vereshkov limit of F-theory vacua ...... R7345

ARTICLES Cold dark matter identification: Diurnal modulation reexamined ...... 7350 F. Hasenbalg, D. Abriola, J. I. Collar, D. E. Di Gregorio, A. O. Gattone, H. Huck, D. Tomasi, and I. Urteaga Effect of the 3 K background radiation on ultrahigh energy cosmic rays ...... 7356 L. A. Anchordoqui, M. T. Dova, L. N. Epele, and J. D. Swain Small-angle anisotropies in the CMBR from active sources ...... 7361 R. A. Battye Statistics of cosmic microwave background polarization ...... 7368 Marc Kamionkowski, Arthur Kosowsky, and Albert Stebbins Cosmological CMBR dipole in open universes? ...... 7389 David Langlois Primordial magnetic fields in false vacuum inflation ...... 7398 Anne-Christine Davis and Konstantinos Dimopoulos Non-Gaussian isocurvature perturbations from Goldstone modes generated during inflation ...... 7415 Martin Bucher and Yong Zhu Non-Gaussian fluctuations and primordial black holes from inflation ...... 7423 James S. Bullock and Joel R. Primack Time evolution of the perturbations for a complex scalar field in a Friedmann-Lemaıˆtre universe ...... 7440 Philippe Jetzer and David Scialom Cosmological limits on slightly skew stresses ...... 7451 John D. Barrow Primordial gravitational waves from open inflation ...... 7461 Martin Bucher and J. D. Cohn Open hybrid inflation ...... 7480 Juan Garcı´a-Bellido and Mixmaster universe: A chaotic Farey tale ...... 7489 Neil J. Cornish and Janna J. Levin Problem of unitarity and quantum corrections in semiclassical quantum gravity ...... 7511 Sang Pyo Kim Shock waves near the Schwarzschild radius and stability limits for stars ...... 7518 Joel Smoller and Blake Temple Time symmetric initial conditions of gravitational waves for 3D numerical relativity ...... 7529 Masaru Shibata

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PHYSICAL REVIEW D THIRD SERIES, VOLUME 55, NUMBER 12 15 JUNE 1997

Telling tails in the presence of a cosmological constant ...... 7538 Patrick R. Brady, Chris M. Chambers, William Krivan, and Pablo Laguna Scalar wave falloff in asymptotically anti–de Sitter backgrounds ...... 7546 J. S. F. Chan and R. B. Mann Quantum aspects of ergoregion instability ...... 7563 Gungwon Kang Gauging Nϭ2 supersymmetric nonlinear ␴ models in the Atiyah-Ward space-time ...... 7574 M. Carvalho and M. W. de Oliveira Topological invariants, , and the chiral on spaces with torsion ...... 7580 Osvaldo Chandı´a and Jorge Zanelli Restrictions on negative energy density in a curved spacetime ...... 7586 Dae-Yup Song Possible new R2 theory of supergravity ...... 7593 Tobias Hurth, Peter van Nieuwenhuizen, Andrew Waldron, and Christian Preitschopf Regular black holes and topology change ...... 7615 Arvind Borde Black strings and classical hair ...... 7618 Gary T. Horowitz and Haisong Yang Wavy strings: Black or bright? ...... 7625 Nemanja Kaloper, Robert C. Myers, and Harold Roussel D- and near extremal black holes at low energies ...... 7645 Juan Maldacena Edge states and entropy of two-dimensional black holes ...... 7651 J. Gegenberg, G. Kunstatter, and T. Strobl Can the entanglement entropy be the origin of black-hole entropy? ...... 7666 Shinji Mukohyama, Masafumi Seriu, and Hideo Kodama Evolution of near-extremal black holes ...... 7680 S. W. Hawking and M. M. Taylor-Robinson High energy effects on D- and emission rates ...... 7693 Saurya Das, Arundhati Dasgupta, and Tapobrata Sarkar Spin factor in the path integral representation for the Dirac propagator in external fields ...... 7701 Dmitri M. Gitman and Stoian I. Zlatev Lamb shift in a light-front Hamiltonian approach ...... 7715 Billy D. Jones and Robert J. Perry Solitons in a baby-Skyrme model with invariance under area-preserving diffeomorphisms ...... 7731 T. Gisiger and M. B. Paranjape Smooth bosonization as a quantum canonical transformation ...... 7739 Andrew J. Bordner Relativistic ͑3ϩ1͒-dimensional nontopological solitons under perturbations ...... 7749 Christian Elphick Casimir pressure at two loops and soft boundaries at finite temperature ...... 7754 Luiz C. de Albuquerque ⑀ expansion analysis of very weak first-order transitions in the cubic anisotropy model. I ...... 7760 Peter Arnold and Laurence G. Yaffe ⑀ expansion analysis of very weak first-order transitions in the cubic anisotropy model. II ...... 7776 Peter Arnold and Yan Zhang Hot B violation, the lattice, and hard thermal loops ...... 7781 Peter Arnold Simple criterion for the occurrence of Bose-Einstein condensation and the Meissner-Ochsenfeld effect ...... 7797 Klaus Kirsten and David J. Toms

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PHYSICAL REVIEW D THIRD SERIES, VOLUME 55, NUMBER 12 15 JUNE 1997

High temperature ln(T) contributions in thermal field theory ...... 7808 F. T. Brandt and J. Frenkel Nonequilibrium dynamics: Preheating in the SU͑2͒ Higgs model ...... 7815 Ju¨rgen Baacke, Katrin Heitmann, and Carsten Pa¨tzold Running coupling constant of a gauge theory in the framework of the Schwinger-Dyson equation: Infrared behavior of three-dimensional quantum electrodynamics ...... 7826 Kei-Ichi Kondo Confinement in Nϭ1 SUSY gauge theories and model building tools ...... 7840 Csaba Csa´ki, Martin Schmaltz, and Witold Skiba Quantum phase space from solitons ...... 7859 Fedele Lizzi and Nick E. Mavromatos Circular strings, wormholes, and minimum size ...... 7872 Luis J. Garay, Pedro F. Gonza´lez-Dı´az, Guillermo A. Mena Maruga´n, and Jose´ M. Raya Classification of three-family grand unification in . I. The SO͑10͒ and models ...... 7878 Zurab Kakushadze and S.-H. Henry Tye Classification of three-family grand unification in string theory. II. The SU͑5͒ and SU͑6͒ models ...... 7896 Zurab Kakushadze and S.-H. Henry Tye Minimal length uncertainty relation and ultraviolet regularization ...... 7909 Achim Kempf and Gianpiero Mangano Focusing of timelike world sheets in a theory of strings ...... 7921 Sayan Kar Cosmological solutions in string theories ...... 7926 H. Lu¨, S. Mukherji, C. N. Pope, and K.-W. Xu Are higher order membranes stable in black hole spacetimes? ...... 7936 A. L. Larsen and C. O. Lousto Gravitino zero modes on U(1)R strings ...... 7942 R. Holman and S. Prem Kumar Limits to radiative neutrino decay from SN 1987A ...... 7951 Andrew H. Jaffe and Michael S. Turner Neutrino oscillations in curved spacetime: A heuristic treatment ...... 7960 Christian Y. Cardall and George M. Fuller New constraints on a light spinless particle coupled to photons ...... 7967 Eduard Masso´ and Ramon Toldra`

BRIEF REPORTS Translation of multipoles for a 1/r potential ...... 7970 Christian D’Urso and E. G. Adelberger Difference between admissible and ‘‘differentiable’’ Hamiltonians ...... 7973 Vladimir O. Soloviev Vacuum C metric and the metric of two superposed Schwarzschild black holes ...... 7977 Wang Yongcheng Erratum and Addendum: Gravitational radiation from a particle in circular orbit around a black hole. VI. Accuracy of the post-Newtonian expansion ...... 7980 Eric Poisson Dirac quantization of two-dimensional dilation gravity minimally coupled to N massless scalar fields ...... 7982 Domingo Louis-Martinez Vacuum stability for Dirac fermions in three dimensions ...... 7985 Paolo Cea

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PHYSICAL REVIEW D THIRD SERIES, VOLUME 55, NUMBER 12 15 JUNE 1997

Derivative expansion of the effective action in Yang-Mills theory ...... 7989 D. G. C. McKeon

COMMENTS

Monopoles contra vortices in SU͑2͒ lattice gauge theory? ...... 7993 Kurt Langfeld and Hugo Reinhardt

Cumulative Author Index ...... 7995