Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2011-05-05
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
14 pages, 9 figures
Scientific paper
10.1103/PhysRevD.84.104028
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.
Banados Maximo
Gomberoff Andres
Pino Miguel
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