Black hole singularity resolution in unimodular gravity from unitarity
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arXiv
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| Auteurs principaux: | , |
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866912268970622976 |
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| author | Gielen, Steffen Menéndez-Pidal, Lucía |
| author_facet | Gielen, Steffen Menéndez-Pidal, Lucía |
| contents | We study the quantum dynamics of an interior planar AdS (anti-de Sitter) black hole, requiring unitarity in the natural time coordinate conjugate to the cosmological "constant of motion" appearing in unimodular gravity. Both the classical singularity and the horizon are replaced by a non-singular highly quantum region; semiclassical notions of spacetime evolution are only valid in an intermediate region. For the singularity, our results should be applicable to general black holes: unitarity in unimodular time always implies singularity resolution. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_03006 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Black hole singularity resolution in unimodular gravity from unitarity Gielen, Steffen Menéndez-Pidal, Lucía High Energy Physics - Theory General Relativity and Quantum Cosmology We study the quantum dynamics of an interior planar AdS (anti-de Sitter) black hole, requiring unitarity in the natural time coordinate conjugate to the cosmological "constant of motion" appearing in unimodular gravity. Both the classical singularity and the horizon are replaced by a non-singular highly quantum region; semiclassical notions of spacetime evolution are only valid in an intermediate region. For the singularity, our results should be applicable to general black holes: unitarity in unimodular time always implies singularity resolution. |
| title | Black hole singularity resolution in unimodular gravity from unitarity |
| topic | High Energy Physics - Theory General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2409.03006 |