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Effective Conformal Descriptions of Black Hole Entropy

Jul, 2011
27 pages
Published in:
  • Entropy 13 (2011) 1355-1379
e-Print:
DOI:
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Abstract: (arXiv)
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.
Note:
  • 27 pages/ solicited review article, to appear in Entropy
  • black hole: entropy
  • symmetry: conformal
  • black hole: thermodynamics
  • black hole: temperature
  • universality
  • duality
  • field theory: conformal
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