Island paradigm and information recovery from radiation
Abstract The island paradigm for an AdS2 eternal black hole in the Hartle-Hawking state coupled to a finite temperature non-gravitating bath asserts that after the Page time the operators in the black hole interior can be reconstructed using the bath degrees of freedom. We demonstrate this assertion...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2025-07-01
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| Series: | Journal of High Energy Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1007/JHEP07(2025)244 |
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| Summary: | Abstract The island paradigm for an AdS2 eternal black hole in the Hartle-Hawking state coupled to a finite temperature non-gravitating bath asserts that after the Page time the operators in the black hole interior can be reconstructed using the bath degrees of freedom. We demonstrate this assertion by consideing a special operator U bath $$ {\mathbbm{U}}_{\textrm{bath}} $$ that has nontrivial action only on the bath degrees of freedom. We show via the gravitational Euclidean path integral analysis that though before the Page time U bath $$ {\mathbbm{U}}_{\textrm{bath}} $$ does not translate the operators in the bath to the black hole interior, after the Page time it takes them to the black hole interior. |
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| ISSN: | 1029-8479 |