Charged Nariai black holes on the dark bubble
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866916508164161536 |
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| author | Danielsson, Ulf Van Hemelryck, Vincent |
| author_facet | Danielsson, Ulf Van Hemelryck, Vincent |
| contents | In this paper, we realise the charged Nariai black hole on a braneworld from a nucleated bubble in AdS$_5$, known as the dark bubble model. Geometrically, the black hole takes the form of a cylindrical spacetime pulling on the dark bubble. This is realised by a brane embedding in an AdS$_5$ black string background. Identifying the brane with a D3-brane in string theory allows us to determine a relation between the fine structure constant and the string coupling, $α_\text{EM} = \frac{3}{2} g_s$, which was previously obtained for a microscopic black hole. We also speculate on the consequences for the Festina Lente bound and neutrino masses. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2405_13679 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Charged Nariai black holes on the dark bubble Danielsson, Ulf Van Hemelryck, Vincent High Energy Physics - Theory General Relativity and Quantum Cosmology In this paper, we realise the charged Nariai black hole on a braneworld from a nucleated bubble in AdS$_5$, known as the dark bubble model. Geometrically, the black hole takes the form of a cylindrical spacetime pulling on the dark bubble. This is realised by a brane embedding in an AdS$_5$ black string background. Identifying the brane with a D3-brane in string theory allows us to determine a relation between the fine structure constant and the string coupling, $α_\text{EM} = \frac{3}{2} g_s$, which was previously obtained for a microscopic black hole. We also speculate on the consequences for the Festina Lente bound and neutrino masses. |
| title | Charged Nariai black holes on the dark bubble |
| topic | High Energy Physics - Theory General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2405.13679 |