Three Dimensional Origin of AdS_2 Quantum Gravity

Details Three Dimensional Origin of AdS_2 Quantum Gravity Three Dimensional Origin of AdS_2 Quantum Gravity

2010-04-05

arxiv.org/abs/1004.0554v1

Physics

High Energy Physics

High Energy Physics - Theory

28 pages

Scientific paper

We study AdS_2 quantum gravity with emphasis on consistency with results from AdS_3. We lift AdS_2 black holes to three dimensions and map fluctuations around the solutions. Comparison with near extremal BTZ are discussed, with due emphasis on global aspects. The results confirm that parameters like central charges and conformal weights computed directly in 2D are consistent with standard results in 3D. Applying our results to the thermodynamics of near extreme Kerr black holes, we show that AdS_2 quantum gravity gives the correct central charge c=12J, and the entropy of excitations above the extremal limit is captured correctly.

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