Black Hole Information, Replica Wormholes, and Macroscopic Entanglement
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866915069660495872 |
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| author | Calmet, Xavier Hsu, Stephen D. H. |
| author_facet | Calmet, Xavier Hsu, Stephen D. H. |
| contents | In this invited review, we discuss the evaporation of a black hole, with emphasis on the resulting macroscopically distinct patterns of Hawking radiation. The density matrix of this radiation can approach a pure final state in the form of a highly entangled macroscopic superposition state. We note that this exact property is exhibited in replica wormhole calculations, and also in quantum hair effects on Hawking radiation amplitudes. Finally, we revisit the information paradox (Mathur's theorem and firewalls), showing that it can be resolved by macroscopic entanglement. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2412_07807 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Black Hole Information, Replica Wormholes, and Macroscopic Entanglement Calmet, Xavier Hsu, Stephen D. H. High Energy Physics - Theory General Relativity and Quantum Cosmology In this invited review, we discuss the evaporation of a black hole, with emphasis on the resulting macroscopically distinct patterns of Hawking radiation. The density matrix of this radiation can approach a pure final state in the form of a highly entangled macroscopic superposition state. We note that this exact property is exhibited in replica wormhole calculations, and also in quantum hair effects on Hawking radiation amplitudes. Finally, we revisit the information paradox (Mathur's theorem and firewalls), showing that it can be resolved by macroscopic entanglement. |
| title | Black Hole Information, Replica Wormholes, and Macroscopic Entanglement |
| topic | High Energy Physics - Theory General Relativity and Quantum Cosmology |
| url | https://arxiv.org/abs/2412.07807 |