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| Format: | Preprint |
| Published: |
2024
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| Online Access: | https://arxiv.org/abs/2403.19562 |
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| _version_ | 1866909649436934144 |
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| author | Soni, Ronak M |
| author_facet | Soni, Ronak M |
| contents | In JT gravity coupled to a CFT, I argue without using the path integral that the entanglement wedge of a boundary region is bounded by a quantum extremal surface (QES). For any candidate not bounded by a QES, a unitary in the complement can make reconstruction within the candidate inconsistent with boundary causality. The case without islands is a direct consequence of subregion duality, and the case with islands can also be dealt with with a stronger assumption. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_19562 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Extremality as a Consistency Condition on Subregion Duality Soni, Ronak M High Energy Physics - Theory In JT gravity coupled to a CFT, I argue without using the path integral that the entanglement wedge of a boundary region is bounded by a quantum extremal surface (QES). For any candidate not bounded by a QES, a unitary in the complement can make reconstruction within the candidate inconsistent with boundary causality. The case without islands is a direct consequence of subregion duality, and the case with islands can also be dealt with with a stronger assumption. |
| title | Extremality as a Consistency Condition on Subregion Duality |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2403.19562 |