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Entropy of the BTZ black hole in 2+1 dimensions

Title
Entropy of the BTZ black hole in 2+1 dimensions
Authors
Kim S.-W.Kim W.T.Park Y.-J.Shin H.
Ewha Authors
김성원
SCOPUS Author ID
김성원scopus
Issue Date
1997
Journal Title
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
ISSN
0370-2693JCR Link
Citation
vol. 392, no. 3-4, pp. 311 - 318
Indexed
SCI; SCIE; SCOPUS scopus
Abstract
We semi-classically calculate the entropy of a scalar field in the background of the BTZ black hole, and derive the perimeter law of the entropy. The proper length from the horizon to the ultraviolet cutoff is independent of both the mass and the angular momentum of the black hole. It is shown that the superradiant scattering modes give the sub-leading order contribution to the entropy while the non-superradiant modes give the leading order one, and thus superradiant effect is minor.
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사범대학 > 과학교육과 > Journal papers
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