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Phys. Rev. D 76, 047501 (2007) [3 pages]

Entropy of Reissner-Nordstrom black holes with minimal length revisited

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Myungseok Yoon*
Center for Quantum Spacetime, Sogang University, Seoul 121-742, Korea

Jihye Ha
Department of Physics, Sogang University, Seoul 121-742, Korea

Wontae Kim
Department of Physics and Center for Quantum Spacetime, Sogang University, Seoul 121-742, Korea

Received 18 May 2007; published 2 August 2007

Based on the generalized uncertainty principle, we study the entropy of a four-dimensional black hole by counting degrees of freedom near the horizon and obtain the (finite) entropy proportional to the surface area at the horizon without a cutoff introduced in the conventional brick-wall method.

© 2007 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.76.047501
DOI:
10.1103/PhysRevD.76.047501
PACS:
04.70.Dy, 97.60.Lf

*younms@sogang.ac.kr

wtkim@sogang.ac.kr