Gravity edges modes and Hayward term
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Publication:2188665
DOI10.1007/JHEP02(2020)167zbMATH Open1435.83186arXiv1912.01636OpenAlexW3105651941MaRDI QIDQ2188665
Author name not available (Why is that?)
Publication date: 11 June 2020
Published in: (Search for Journal in Brave)
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.
Full work available at URL: https://arxiv.org/abs/1912.01636
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