Black hole entropy without brick walls

Details Black hole entropy without brick walls Black hole entropy without brick walls

2002-04-06

arxiv.org/abs/gr-qc/0204029v2

Phys.Lett. B540 (2002) 9-13

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

7 pages

Scientific paper

10.1016/S0370-2693(02)02123-8

The properties of the thermal radiation are discussed by using the new equation of state density motivated by the generalized uncertainty relation in the quantum gravity. There is no burst at the last stage of the emission of a Schwarzshild black hole. When the new equation of state density is utilized to investigate the entropy of a scalar field outside the horizon of a static black hole, the divergence appearing in the brick wall model is removed, without any cutoff. The entropy proportional to the horizon area is derived from the contribution of the vicinity of the horizon.

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