AdS 3 orbifolds, BTZ black holes, and holography

Abstract Conical defects of the form (AdS 3 × S 3 $$ {\mathbbm{S}}^3 $$ )/ℤ k have an exact orbifold description in worldsheet string theory, which we derive from their known presentation as gauged Wess-Zumino-Witten models. The configuration of strings and fivebranes sourcing this geometry is well-...

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Main Author: Emil J. Martinec
Format: Article
Language:English
Published: SpringerOpen 2023-10-01
Series:Journal of High Energy Physics
Subjects:
Online Access:https://doi.org/10.1007/JHEP10(2023)016
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author Emil J. Martinec
author_facet Emil J. Martinec
author_sort Emil J. Martinec
collection DOAJ
description Abstract Conical defects of the form (AdS 3 × S 3 $$ {\mathbbm{S}}^3 $$ )/ℤ k have an exact orbifold description in worldsheet string theory, which we derive from their known presentation as gauged Wess-Zumino-Witten models. The configuration of strings and fivebranes sourcing this geometry is well-understood, as is the correspondence to states/operators in the dual CFT 2. One can analytically continue the construction to Euclidean AdS 3 (i.e. the hyperbolic ball ℍ 3 + $$ {\mathbb{H}}_3^{+} $$ ) and consider the orbifold by any infinite discrete (Kleinian) group generated by a set of elliptic elements γ i ∈ SL(2, ℂ), γ i k i $$ {\gamma}_i^{{\textrm{k}}_i} $$ = 𝟙, i = 1, . . . , K. The resulting geometry consists of multiple conical defects traveling along geodesics in ℍ 3 + $$ {\mathbb{H}}_3^{+} $$ , and provides a semiclassical bulk description of correlation functions in the dual CFT involving the corresponding defect operators, which is nonperturbatively exact in α ′. The Lorentzian continuation of these geometries describes a collection of defects colliding to make a BTZ black hole. We comment on a recent proposal to use such correlators to prepare a basis of black hole microstates, and elaborate on a picture of black hole formation and evaporation in terms of the underlying brane dynamics in the bulk.
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spelling doaj.art-5f8202180fd54212ac64f55e1f2a18602024-01-28T12:21:42ZengSpringerOpenJournal of High Energy Physics1029-84792023-10-0120231014310.1007/JHEP10(2023)016AdS 3 orbifolds, BTZ black holes, and holographyEmil J. Martinec0Kadanoff Center for Theoretical Physics, Enrico Fermi Institute and Department of Physics, University of ChicagoAbstract Conical defects of the form (AdS 3 × S 3 $$ {\mathbbm{S}}^3 $$ )/ℤ k have an exact orbifold description in worldsheet string theory, which we derive from their known presentation as gauged Wess-Zumino-Witten models. The configuration of strings and fivebranes sourcing this geometry is well-understood, as is the correspondence to states/operators in the dual CFT 2. One can analytically continue the construction to Euclidean AdS 3 (i.e. the hyperbolic ball ℍ 3 + $$ {\mathbb{H}}_3^{+} $$ ) and consider the orbifold by any infinite discrete (Kleinian) group generated by a set of elliptic elements γ i ∈ SL(2, ℂ), γ i k i $$ {\gamma}_i^{{\textrm{k}}_i} $$ = 𝟙, i = 1, . . . , K. The resulting geometry consists of multiple conical defects traveling along geodesics in ℍ 3 + $$ {\mathbb{H}}_3^{+} $$ , and provides a semiclassical bulk description of correlation functions in the dual CFT involving the corresponding defect operators, which is nonperturbatively exact in α ′. The Lorentzian continuation of these geometries describes a collection of defects colliding to make a BTZ black hole. We comment on a recent proposal to use such correlators to prepare a basis of black hole microstates, and elaborate on a picture of black hole formation and evaporation in terms of the underlying brane dynamics in the bulk.https://doi.org/10.1007/JHEP10(2023)016AdS-CFT CorrespondenceBlack Holes in String TheoryConformal Field Models in String Theory
spellingShingle Emil J. Martinec
AdS 3 orbifolds, BTZ black holes, and holography
Journal of High Energy Physics
AdS-CFT Correspondence
Black Holes in String Theory
Conformal Field Models in String Theory
title AdS 3 orbifolds, BTZ black holes, and holography
title_full AdS 3 orbifolds, BTZ black holes, and holography
title_fullStr AdS 3 orbifolds, BTZ black holes, and holography
title_full_unstemmed AdS 3 orbifolds, BTZ black holes, and holography
title_short AdS 3 orbifolds, BTZ black holes, and holography
title_sort ads 3 orbifolds btz black holes and holography
topic AdS-CFT Correspondence
Black Holes in String Theory
Conformal Field Models in String Theory
url https://doi.org/10.1007/JHEP10(2023)016
work_keys_str_mv AT emiljmartinec ads3orbifoldsbtzblackholesandholography