Bigravity black hole and its thermodynamics

Máximo Bañados, Andrés Gomberoff, and Miguel Pino
Phys. Rev. D 84, 104028 – Published 11 November 2011

Abstract

We argue that the Isham-Storey exact solution to bigravity does not describe black holes because the horizon is a singular surface. However, this is not a generic property of bigravity, but a property of a particular potential. More general potentials do accept regular black holes. For regular black holes, we compute the total energy and thermodynamical parameters. Phase transitions occur for certain critical temperatures. We also find a novel region on phase space describing up to 4 allowed states for a given temperature.

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  • Received 25 May 2011

DOI:https://doi.org/10.1103/PhysRevD.84.104028

© 2011 American Physical Society

Authors & Affiliations

Máximo Bañados1,*, Andrés Gomberoff2,†, and Miguel Pino1,‡

  • 1Departamento de Física, P. Universidad Católica de Chile, Casilla 306, Santiago 22, Chile
  • 2Departamento de Ciencias Físicas, Universidad Andres Bello, Av. República 252, Santiago, Chile

  • *maxbanados@fis.puc.cl
  • agomberoff@unab.cl
  • mnpino@uc.cl

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Vol. 84, Iss. 10 — 15 November 2011

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