The fate of radiating black holes in noncommutative geometry

Abstract

We investigate the behavior of a radiating Schwarzschild black hole toy-model in a 2D noncommutative spacetime. It is shown that coordinate noncommutativity leads to: i) the existence of a minimal non-zero mass to which black hole can shrink; ii) a finite maximum temperature that the black hole can reach before cooling down to absolute zero; iii) the absence of any curvature singularity. The proposed scenario offers a possible solution to conventional difficulties when describing terminal phase of black hole evaporation.

5 pages, 3 figures. Contributed to Proceedings of EPS 13 General Conference -"Beyond Einstein, Physics for the 21st Century" July 11-15, 2005, University of Bern, Bern, Switzerland

References in corpus (2)

• Formation and evaporation of non-singular black holes
• Vacuum energy momentum tensor in (2+1) NC scalar field theory

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