Artikel,

Flowing Funnels: Heat sources for field theories and the AdS\_3 dual of CFT\_2 Hawking radiation

, und .
Classical and Quantum Gravity, 29 (10): 105004+ (23.02.2012)
DOI: 10.1088/0264-9381/29/10/105004

Zusammenfassung

We construct the general 2+1 dimensional asymptotically AdS\_3 solution dual to a stationary 1+1 CFT state on a black hole background. These states involve heat transport by the CFT between the 1+1 black hole and infinity (or between two 1+1 black holes), and so describe the AdS dual of CFT Hawking radiation. Although the CFT stress tensor is typically singular at the past horizon of the 1+1 black hole, the bulk 2+1-dimensional solutions are everywhere smooth, and in fact are diffeomorphic to AdS\_3. In particular, we find that Unruh states of the CFT on any finite-temperature 1+1 black hole background are described by extreme horizons in the bulk.

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