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Holography of 3D Flat Cosmological Horizons

Open access
Bagchi, Arjun, Detournay, Stéphane, Fareghbal, Reza, Simón, Joan·2013·Physical Review Letters

Abstract

We provide a first derivation of the Bekenstein-Hawking entropy of 3D flat cosmological horizons in terms of the counting of states in a dual field theory. These horizons appear in the flat limit of nonextremal rotating Banados-Teitleboim-Zanelli black holes and are remnants of the inner horizons. They also satisfy the first law of thermodynamics. We study flat holography as a limit of AdS(3)/CFT(2) to semiclassically compute the density of states in the dual theory, which is given by a contraction of a 2D conformal field theory, exactly reproducing the bulk entropy in the limit of large charges. We comment on how the dual theory reproduces the bulk first law and how cosmological bulk excitations are matched with boundary quantum numbers.

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Metadata

Authors
Bagchi, A., Detournay, S., Fareghbal, R., & Simón, J.
Venue
Physical Review Letters
Published
2013-04-02
Volume
110
Issue
14
Pages
141302-141302
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2068709596
Cited by
273
References
4
FWCI
10.37
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Holography of 3D Flat Cosmological Horizons. https://app.cochat.ai/papers/10.1103/physrevlett.110.141302
The paper
Bagchi, A., Detournay, S., Fareghbal, R., & Simón, J. (2013). Holography of 3D Flat Cosmological Horizons. Physical Review Letters. https://doi.org/10.1103/physrevlett.110.141302

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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