Phase transitions and statistical mechanics for BPS Black Holes in AdS/CFT

Abstract

Using the general framework developed in hep-th/0607056, we study in detail the phase space of BPS Black Holes in AdS, for the case where all three electric charges are equal. Although these solitons are supersymmetric with zero Hawking temperature, it turns out that these Black Holes have rich phase structure with sharp phase transitions associated to a corresponding critical generalized temperature. We are able to rewrite the gravity variables in terms of dual CFT variables and compare the gravity phase diagram with the free dual CFT phase diagram. In particular, the elusive supergravity constraint characteristic of these Black Holes is particulary simple and in fact appears naturally in the dual CFT in the definition of the BPS Index. Armed with this constraint, we find perfect match between BH and free CFT charges up to expected constant factors.

14 pages, 5 figures, corrected typos and references added

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• Magnetic Heisenberg-chain/pp-wave correspondence
• Euclidean analysis of the entropy functional formalism
• Near Horizon Analysis of Extremal AdS5 Black Holes
• On Uniqueness of supersymmetric Black holes in AdS(5)
• Thermodynamics of 5D Charged Rotating Black Holes: A Counterterms Treatment
• Euclidean Methods and the entropy function
• The M2/M5 BPS Partition Functions from Supergravity