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Title Holographic description of extremal linear dilaton black hole in Einstein-Maxwell-dilaton-axion gravity
Author M. R. Setare, V. Kamali
Abstract We show that extremal linear dilaton black holes in Einstein-Maxwell-dilaton-axion (EMDA) gravity have a hidden conformal symmetry. In this regard, we consider the wave equation of a massless scalar field propagating in this spacetime and find that in the “near region”, the wave equation in the extremal limit can be written in terms of the SL(2, R) quadratic Casimir operator. Moreover, we obtain the microscopic entropy of the extremal linear EMDA spacetimes also we calculate the correlation function of a near-region scalar field and find perfect agreement with the dual 2D CFT.
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