AdS/CFT duality and the black hole information paradox
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Publication:5954930
DOI10.1016/S0550-3213(01)00620-4zbMATH Open1036.83503arXivhep-th/0109154OpenAlexW3100586592MaRDI QIDQ5954930
Author name not available (Why is that?)
Publication date: 5 February 2002
Published in: (Search for Journal in Brave)
Abstract: Near-extremal black holes are obtained by exciting the Ramond sector of the D1-D5 CFT, where the ground state is highly degenerate. We find that the dual geometries for these ground states have throats that end in a way that is characterized by the CFT state. Below the black hole threshold we find a detailed agreement between propagation in the throat and excitations of the CFT. We study the breakdown of the semiclassical approximation and relate the results to the proposal of gr-qc/0007011 for resolving the information paradox: semiclassical evolution breaks down if hypersurfaces stretch too much during an evolution. We find that a volume V stretches to a maximum throat depth of V/2G.
Full work available at URL: https://arxiv.org/abs/hep-th/0109154
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