Boundary Conditions for Extremal Black Holes from 2d Gravity
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arXiv
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| Auteurs principaux: | , , |
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| Format: | Preprint |
| Publié: |
2023
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| _version_ | 1866914834867552256 |
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| author | Detournay, Stéphane Smoes, Thomas Wutte, Raphaela |
| author_facet | Detournay, Stéphane Smoes, Thomas Wutte, Raphaela |
| contents | We devise new boundary conditions for the near-horizon geometries of extremal BTZ and Kerr black holes, as well as for the ultra-cold limit of the Kerr-de Sitter black hole. These boundary conditions are obtained as the higher-dimensional uplift of recently proposed boundary conditions in two-dimensional gravity. Their asymptotic symmetries consist in the semi-direct product of a Virasoro and a current algebra, of which we determine the central extensions. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_08353 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Boundary Conditions for Extremal Black Holes from 2d Gravity Detournay, Stéphane Smoes, Thomas Wutte, Raphaela High Energy Physics - Theory General Relativity and Quantum Cosmology We devise new boundary conditions for the near-horizon geometries of extremal BTZ and Kerr black holes, as well as for the ultra-cold limit of the Kerr-de Sitter black hole. These boundary conditions are obtained as the higher-dimensional uplift of recently proposed boundary conditions in two-dimensional gravity. Their asymptotic symmetries consist in the semi-direct product of a Virasoro and a current algebra, of which we determine the central extensions. |
| title | Boundary Conditions for Extremal Black Holes from 2d Gravity |
| topic | High Energy Physics - Theory General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2312.08353 |