Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 7, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP07(2019)055
Keywords
2D Gravity; AdS-CFT Correspondence; Black Holes; Conformal Field Theory
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Funding
- International Centre for Theoretical Sciences (ICTS)
- Simons Center for Geometry and Physics, Stony Brook University
- DAE, Government of India
- J.C. Bose fellowship of the DST, Government of India
- Infosys Endowment for Research on the Quantum Structure of Spacetime
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We study the behaviour of extremal and near-extremal black holes at low energies and low temperatures and find that it can be understood from the near-horizon AdS(2) region. Our analysis includes charged matter and also goes beyond the S-wave approximation. We find that the leading behaviour at low energies arises from a mode linked to time reparametrisations and from phase modes arising from gauge fields. At somewhat higher energies, additional modes arising from higher partial waves can also be cumulatively significant. These results can be applied quite generally to cases where an AdS(2) x S-d near-horizon geometry arises, including black holes in asymptotically AdS and flat space-times.
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