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| Main Authors: | , |
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| Format: | Preprint |
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2023
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| Online Access: | https://arxiv.org/abs/2311.02074 |
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| _version_ | 1866909363617136640 |
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| author | Aguilar-Gutierrez, Sergio E. Landgren, Filip |
| author_facet | Aguilar-Gutierrez, Sergio E. Landgren, Filip |
| contents | We construct a multiverse model where empty AdS$_{d+1}$ space is cut off by a pair of accelerated dS$_d$ space universes, at a finite AdS boundary cutoff which we treat as a $T^2$ deformation in the holographic dual, and one in the AdS interior, the IR brane{; and denote the construction as $T^2$ dS wedge holography}. We glue together several copies of this configuration along the UV cutoff and the IR branes in a periodic matter. To provide the model with dynamics similar to those of near Nariai black holes used in other multiverse toy models{, we specialize to $d=2$ and} add dS JT gravity as an intrinsic gravity theory on the IR branes. We then study the entanglement entropy with respect to a finite cutoff observer, who finds a Page curve transition due to an entanglement island connecting the UV cutoff and IR brane. This process involves the coarse-graining of information outside the causally accessible region to the observer. Our model provides an explicit realization of entanglement between IR and UV degrees of freedom encoded in the multiverse. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2311_02074 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | A multiverse model in $T^2$ dS wedge holography Aguilar-Gutierrez, Sergio E. Landgren, Filip High Energy Physics - Theory We construct a multiverse model where empty AdS$_{d+1}$ space is cut off by a pair of accelerated dS$_d$ space universes, at a finite AdS boundary cutoff which we treat as a $T^2$ deformation in the holographic dual, and one in the AdS interior, the IR brane{; and denote the construction as $T^2$ dS wedge holography}. We glue together several copies of this configuration along the UV cutoff and the IR branes in a periodic matter. To provide the model with dynamics similar to those of near Nariai black holes used in other multiverse toy models{, we specialize to $d=2$ and} add dS JT gravity as an intrinsic gravity theory on the IR branes. We then study the entanglement entropy with respect to a finite cutoff observer, who finds a Page curve transition due to an entanglement island connecting the UV cutoff and IR brane. This process involves the coarse-graining of information outside the causally accessible region to the observer. Our model provides an explicit realization of entanglement between IR and UV degrees of freedom encoded in the multiverse. |
| title | A multiverse model in $T^2$ dS wedge holography |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2311.02074 |