期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 12, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP12(2022)056
关键词
AdS-CFT Correspondence; Black Holes; Boundary Quantum Field Theory; Gauge-Gravity Correspondence
资金
- Moore Foundation [272268, PHY-1915071]
- NSF [8342, PHY-1620806]
- Chau Foundation HS Chau postdoc award
- Kavli Foundation
- Harvard College PRISE program
This study analyzes the entanglement phase structure of a holographic boundary conformal field theory in a two-dimensional black hole background. The findings contribute to the understanding of the entanglement entropy for quantum field theory on a curved background.
We study the entanglement phase structure of a holographic boundary conformal field theory (BCFT) in a two-dimensional black hole background. The bulk dual is the AdS(3) black string geometry with a Karch-Randall brane. We compute the subregion entanglement entropy of various two-sided bipartitions to elucidate the phase space where a Page curve exists in this setup. We do fully analytical computations on both the gravity side and the field theory side and demonstrate that the results precisely match. We discuss the entanglement phase structure describing where a Page curve exists in this geometry in the context of these analytical results. This is a useful model to study entanglement entropy for quantum field theory on a curved background.
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