Thermal Hair of Quantum Black Hole

Details Thermal Hair of Quantum Black Hole Thermal Hair of Quantum Black Hole

1998-04-07

arxiv.org/abs/gr-qc/9804020v1

Phys.Rev. D58 (1998) 064016

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

LaTeX, 12 pages, 14 postscript figures, submitted to Phys. Rev. D

Scientific paper

10.1103/PhysRevD.58.064016

We investigate the possibility of statistical explanation of the black hole entropy by counting quasi-bounded modes of thermal fluctuation in two dimensional black hole spacetime. The black hole concerned is quantum in the sense that it is in thermal equilibrium with its Hawking radiation. It is shown that the fluctuation around such a black hole obeys a wave equation with a potential whose peaks are located near the black hole and which is caused by quantum effect. We can construct models in which the potential in the above sense has several positive peaks and there are quai-bounded modes confined between these peaks. This suggests that these modes contribute to the black hole entropy. However it is shown that the entropy associated with these modes dose not obey the ordinary area law. Therefore we can call these modes as an additional thermal hair of the quantum black hole.

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