Three dimensional origin of AdS2 quantum gravity

Alejandra Castro, Cynthia Keeler, Finn Larsen

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

We study AdS2 quantum gravity with emphasis on consistency with results from AdS3. We lift AdS2 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.

Original languageEnglish (US)
Article number33
JournalJournal of High Energy Physics
Volume2010
Issue number7
DOIs
StatePublished - Jan 1 2010
Externally publishedYes

Keywords

  • 2D gravity
  • AdS-CFT correspondence
  • Black holes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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