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Open AccessArticle

Effective Conformal Descriptions of Black Hole Entropy

Department of Physics, University of California at Davis, Davis, CA 95616, USA
Entropy 2011, 13(7), 1355-1379;
Received: 1 July 2011 / Revised: 12 July 2011 / Accepted: 19 July 2011 / Published: 20 July 2011
(This article belongs to the Special Issue Black Hole Thermodynamics)
It is no longer considered surprising that black holes have temperatures and entropies. What remains surprising, though, is the universality of these thermodynamic properties: their exceptionally simple and general form, and the fact that they can be derived from many very different descriptions of the underlying microscopic degrees of freedom. I review the proposal that this universality arises from an approximate conformal symmetry, which permits an effective “conformal dual” description that is largely independent of the microscopic details. View Full-Text
Keywords: black holes; Bekenstein–Hawking entropy; conformal dual black holes; Bekenstein–Hawking entropy; conformal dual
MDPI and ACS Style

Carlip, S. Effective Conformal Descriptions of Black Hole Entropy. Entropy 2011, 13, 1355-1379.

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