Formation and Evaporation of Nonsingular Black Holes

Sean A. Hayward
Phys. Rev. Lett. 96, 031103 – Published 26 January 2006

Abstract

Regular (nonsingular) space-times are given that describe the formation of a (locally defined) black hole from an initial vacuum region, its quiescence as a static region, and its subsequent evaporation to a vacuum region. The static region is Bardeen-like, supported by finite density and pressures, vanishing rapidly at large radius and behaving as a cosmological constant at small radius. The dynamic regions are Vaidya-like, with ingoing radiation of positive-energy flux during collapse and negative-energy flux during evaporation, the latter balanced by outgoing radiation of positive-energy flux and a surface pressure at a pair creation surface. The black hole consists of a compact space-time region of trapped surfaces, with inner and outer boundaries that join circularly as a single smooth trapping horizon.

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  • Received 5 July 2005

DOI:https://doi.org/10.1103/PhysRevLett.96.031103

©2006 American Physical Society

Authors & Affiliations

Sean A. Hayward

  • Institute for Gravitational Physics and Geometry, The Pennsylvania State University, University Park, Pennsylvania 16802, USA

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Vol. 96, Iss. 3 — 27 January 2006

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