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Title: Gravity edges modes and Hayward term
Authors: Takayanagi, Tadashi  kyouindb  KAKEN_id  orcid https://orcid.org/0000-0001-7187-3130 (unconfirmed)
Tamaoka, Kotaro
Author's alias: 髙柳, 匡
Keywords: AdS-CFT Correspondence
Classical Theories of Gravity
Gauge-gravity correspondence
Issue Date: 2020
Publisher: Springer Nature
Journal title: Journal of High Energy Physics
Volume: 2020
Thesis number: 167
Abstract: We argue that corner contributions in gravity action (Hayward term) capture the essence of gravity edge modes, which lead to gravitational area entropies, such as the black hole entropy and holographic entanglement entropy. We explain how the Hayward term and the corresponding edge modes in gravity are explained by holography from two different viewpoints. One is an extension of AdS/CFT to general spacetimes and the other is the AdS/BCFT formulation. In the final part, we explore how gravity edge modes and its entropy show up in string theory by considering open strings stuck to a Rindler horizon.
Rights: This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited
URI: http://hdl.handle.net/2433/252406
DOI(Published Version): 10.1007/JHEP02(2020)167
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