Conformal entropy as a consequence of the properties of stationary Killing horizons

Cvitan, Maro and Pallua, Silvio and Prester, Predrag (2004) Conformal entropy as a consequence of the properties of stationary Killing horizons. Physical Review D, 70 (8). pp. 84043-6. ISSN 1550-7998

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Abstract

We show that the microscopic black hole entropy formula based on Virasoro algebra can be derived from the usual properties of stationary Killing horizons alone and the absence of singularities of curvature invariants on them. In such a way some usual additional assumptions are shown to be fulfilled. In addition, for all quantities power expansion near the horizon and thus explicit insight of the limiting procedure is given. More important the near horizon conformal symmetry proposed by Carlip together with its consequences on microscopic entropy is given a clear geometric origin.

Item Type: Article
Keywords: black holes, entropy, conformal symmetry, Killing horizons
Date: October 2004
Subjects: NATURAL SCIENCES > Physics
Additional Information: Copyright (2004) by the American Physical Society.
Divisions: Faculty of Science > Department of Physics
Project code: 119261
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 24 May 2014 13:27
Last Modified: 24 May 2014 13:27
URI: http://digre.pmf.unizg.hr/id/eprint/1670

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