Entanglement on a Sphere
Fuente:
arXiv
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| Autori principali: | , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| Soggetti: | |
| Accesso online: | |
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| _version_ | 1866908430014349312 |
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| author | Boutivas, Konstantinos Katsinis, Dimitrios Pastras, Georgios Prountzos, Nikolaos Tetradis, Nikolaos |
| author_facet | Boutivas, Konstantinos Katsinis, Dimitrios Pastras, Georgios Prountzos, Nikolaos Tetradis, Nikolaos |
| contents | We study the entanglement entropy of a massive scalar field in the background of the Einstein universe. We determine numerically the structure of the UV-divergent terms. We study analytically the IR term that originates in the long-range correlations arising from the field zero mode on the sphere. We compare with previous results for a scalar field in a dS or AdS background. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_01174 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Entanglement on a Sphere Boutivas, Konstantinos Katsinis, Dimitrios Pastras, Georgios Prountzos, Nikolaos Tetradis, Nikolaos High Energy Physics - Theory General Relativity and Quantum Cosmology Quantum Physics We study the entanglement entropy of a massive scalar field in the background of the Einstein universe. We determine numerically the structure of the UV-divergent terms. We study analytically the IR term that originates in the long-range correlations arising from the field zero mode on the sphere. We compare with previous results for a scalar field in a dS or AdS background. |
| title | Entanglement on a Sphere |
| topic | High Energy Physics - Theory General Relativity and Quantum Cosmology Quantum Physics |
| url | https://arxiv.org/abs/2507.01174 |