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Paper   IPM / Physic / 9535
School of Physics
  Title:   The RN/CFT Correspondence
1.  M.R. Garousi
2.  A. Ghodsi
  Status:   Preprint
  Year:  2009
  Supported by:  IPM
Recently it has been shown in 0901.0931 [hep-th] that there are two extremal limits for the non-extremal Reissner-Nordstrom black hole: the extremal Reissner-Nordstrom black hole which carries no entropy and the "compactification solution" AdS_2 S^2 with flux which carries the macroscopic entropy of the non-extremal black hole. By uplifting the four dimensional solution to a five dimensional solution, we show that the "compactification solution" is dual to a CFT with central charge c=6Q_e(Q_e^2+Q_m^2). The Cardy formula then shows that the microscopic entropy of the CFT is the same as the macroscopic entropy of the "compactification solution".

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