Black hole evaporation in conformal gravity

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Published 22 September 2017 © 2017 IOP Publishing Ltd and Sissa Medialab
, , Citation Cosimo Bambi et al JCAP09(2017)033 DOI 10.1088/1475-7516/2017/09/033

1475-7516/2017/09/033

Abstract

We study the formation and the evaporation of a spherically symmetric black hole in conformal gravity. From the collapse of a spherically symmetric thin shell of radiation, we find a singularity-free non-rotating black hole. This black hole has the same Hawking temperature as a Schwarzschild black hole with the same mass, and it completely evaporates either in a finite or in an infinite time, depending on the ensemble. We consider the analysis both in the canonical and in the micro-canonical statistical ensembles. Last, we discuss the corresponding Penrose diagram of this physical process.

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10.1088/1475-7516/2017/09/033