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Nonvanishing entropy of extremal charged black holes

Title
Nonvanishing entropy of extremal charged black holes
Authors
Lee H.Kim S.-W.Kim W.T.
Ewha Authors
김성원이현주
SCOPUS Author ID
김성원scopus; 이현주scopus
Issue Date
1996
Journal Title
Physical Review D - Particles, Fields, Gravitation and Cosmology
ISSN
0556-2821JCR Link
Citation
vol. 54, no. 10, pp. 6559 - 6562
Indexed
SCOPUS scopus
Abstract
We calculate the entropy of a scalar field in terms of the brick-wall method by faithfully following the definition of the extremal black hole with zero Hawking temperature. Without recourse to the Euclidean formalism, which gives the arbitrary nonvanishing temperature, we obtain the nonvanishing and divergent entropy in the two-dimensional dilaton-Maxwell theory and the four-dimensional Reissner-Nordström solution even for the vanishing Hawking temperature in view of the microcanonical ensemble.
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사범대학 > 과학교육과 > Journal papers
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