Horizons and Null Infinity: A Fugue in 4 voices
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arXiv
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866914719393120256 |
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| author | Ashtekar, Abhay Speziale, Simone |
| author_facet | Ashtekar, Abhay Speziale, Simone |
| contents | Black hole horizons in equilibrium and null infinity of asymptotically flat space-times are null 3-manifolds but have very different physical connotations. We first show that they share a large number of geometric properties, making them both weakly isolated horizons. We then use this new unified perspective to unravel the origin of the drastic differences in the physics they contain. Interestingly, the themes are woven together in a manner reminiscent of voices in a fugue. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2401_15618 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Horizons and Null Infinity: A Fugue in 4 voices Ashtekar, Abhay Speziale, Simone General Relativity and Quantum Cosmology High Energy Physics - Theory Black hole horizons in equilibrium and null infinity of asymptotically flat space-times are null 3-manifolds but have very different physical connotations. We first show that they share a large number of geometric properties, making them both weakly isolated horizons. We then use this new unified perspective to unravel the origin of the drastic differences in the physics they contain. Interestingly, the themes are woven together in a manner reminiscent of voices in a fugue. |
| title | Horizons and Null Infinity: A Fugue in 4 voices |
| topic | General Relativity and Quantum Cosmology High Energy Physics - Theory |
| url | https://arxiv.org/abs/2401.15618 |