Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
1998-09-30
Phys.Rev. D64 (2001) 064005
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
Substantial revision after referee's comments. 21 pages, 3 figures, 2 tables. (amsmath and graphicx packages). Accepted to Phy
Scientific paper
10.1103/PhysRevD.64.064005
The static and stationary C-metric are revisited in a generic framework and their interpretations studied in some detail. Specially those with two event horizons, one for the black hole and another for the acceleration. We found that: i) The spacetime of an accelerated static black hole is plagued by either conical singularities or lack of smoothness and compactness of the black hole horizon; ii) By using standard black hole thermodynamics we show that accelerated black holes have higher Hawking temperature than Unruh temperature of the accelerated frame; iii) The usual upper bound on the product of the mass and acceleration parameters <1/sqrt(27) is just a coordinate artifact. The main results are extended to accelerated rotating black holes with no significant changes.
Letelier Patricio S.
Oliveira Samuel R.
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