Spacetime structure of an evaporating black hole in quantum gravity
A. BonannoINAF—Osservatorio Astrofisico di Catania, Via S.Sofia 78, I-95123 Catania, Italy INFN, Via S. Sofia 64, I-95123 Catania, ItalyM. ReuterINAF—Osservatorio Astrofisico di Catania, Via S.Sofia 78, I-95123 Catania, Italy INFN, Via S. Sofia 64, I-95123 Catania, Italy
2006en
ABI
Abstract
The impact of the leading quantum gravity effects on the dynamics of the Hawking evaporation process of a black hole is investigated. Its spacetime structure is described by a renormalization group improved Vaidya metric. Its event horizon, apparent horizon, and timelike limit surface are obtained by taking the scale dependence of Newton's constant into account. The emergence of a quantum ergosphere is discussed. The final state of the evaporation process is a cold, Planck size remnant.
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Cited by 20 references