Hawking Evaporation Time Scale of Topological Black Holes in Anti-de Sitter Spacetime

Jul 28, 2015
13 pages
Published in:
  • Nucl.Phys.B 903 (2016) 387-399
  • Published: Feb, 2016
e-Print:

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Abstract: (Elsevier)
It was recently pointed out that if an absorbing boundary condition is imposed at infinity, an asymptotically anti-de Sitter Schwarzschild black hole with a spherical horizon takes only a finite amount of time to evaporate away even if its initial mass is arbitrarily large. We show that this is a rather generic property in AdS spacetimes: regardless of their horizon topologies, neutral AdS black holes in general relativity take about the same amount of time to evaporate down to the same size of order L , the AdS length scale. Our discussion focuses on the case in which the black hole has toral event horizon. A brief comment is made on the hyperbolic case, i.e. for black holes with negatively curved horizons.
Note:
  • Published version
  • space-time: anti-de Sitter
  • black hole: Schwarzschild
  • horizon: topology
  • boundary condition
  • general relativity
  • black hole: evaporation
  • curvature