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Paper   IPM / Physic / 6957
School of Physics
  Title:   The Cardy-Verlinde Formula and Entropy of Topological Kerr-Newman Black Holes in de Sitter Spaces
  Author(s): 
1.  M.R. Setare
2.  M.B. Altaie
  Status:   Published
  Journal: Eur. Phys. J. C
  No.:  77
  Vol.:  30
  Year:  2003
  Pages:   27-277
  Supported by:  IPM
  Abstract:
In this paper we show that the entropy of cosmological horizon in 4-dimensional Topological Kerr-Newman-de Sitter spaces can be described by the Cardy-Verlinde formula, which is supposed to be an entropy formula of conformal field theory in any dimension. Furthermore, we find that the entropy of black hole horizon can also be rewritten in terms of the Cardy-Verlinde formula for these black holes in de Sitter spaces, if we use the definition due to Abbott and Deser for conserved charges in asymptotically de Sitter spaces. Such result presume a well-defined dS/CFT correspondence, which has not yet attained the credibility of its AdS analogue.

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