The Energy Spectrum of the Membrane effective Model for Quantum Black Holes

Details The Energy Spectrum of the Membrane effective Model for Quantum Black Holes The Energy Spectrum of the Membrane effective Model for Quantum Black Holes

1994-11-14

arxiv.org/abs/gr-qc/9411037v2

Physics Letters B352 (1995) 228-234

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

13 pages, RevTEX. Paper rewritten; energy levels and entropy recomputed

Scientific paper

10.1016/0370-2693(95)00536-T

We study first order fluctuations of a relativistic membrane in the curved background of a black hole. The zeroth-order solution corresponds to a spherical membrane tightly covering the event horizon. We obtain a massive Klein-Gordon equation for the fluctuations of the membrane's radial coordinate on the 2+1 dimensional world-volume. We finally suggest that quantization of the fluctuations can be related to black hole's mass quantization and the corresponding entropy is computed. This entropy is proportional to the membrane area and is related to the one-loop correction to the thermodynamical entropy $A_H/4$. With regards to the membrane model for describing effectively a quantum black hole, we connect these results with previous work on critical phenomena in black hole thermodynamics.

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