Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 1, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP01(2022)094
Keywords
2D Gravity; Conformal Field Models in String Theory; Conformal Field Theory; Models of Quantum Gravity
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Funding
- National Research Foundation of South Africa
- DST-NRF Centre of Excellence in Mathematical and Statistical Sciences (CoE-MaSS)
- JSPS KAKENHI [JP19K03834]
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This paper investigates replica wormholes in JT gravity and describes their formation and mechanism using conformal field theory. The gravitational part of the bulk entanglement entropy can be reproduced through the study of twist operators and correlators.
The replica wormholes are a key to the existence of the islands that play a central role in a recent proposal for the resolution of the black hole information paradox. In this paper, we study the replica wormholes in the JT gravity, a model of two-dimensional quantum gravity coupled to a non-dynamical dilaton, by making use of the 2d conformal field theory (CFT) description, namely, the Liouville theory coupled to the (2,p) minimal matter in the p -> infinity limit. In the Liouville CFT description, the replica wormholes are created by the twist operators and the gravitational part of the bulk entanglement entropy can be reproduced from the twist operator correlators. We propose the precise dictionary and show how this correspondence works in detail.
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