Entanglement Entropy in String Compactifications
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arXiv
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| Format: | Preprint |
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2023
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| _version_ | 1866913513715269632 |
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| author | Dabholkar, Atish Moitra, Upamanyu |
| author_facet | Dabholkar, Atish Moitra, Upamanyu |
| contents | We consider $\mathbb{Z}_N$ orbifolds of Type-II compactifications to four and six dimensions on several Calabi-Yau manifolds in the orbifold limit with the aim to compute the entanglement entropy. The spectrum can contain tachyons in the doubly-twisted sectors which can lead to new infrared divergences for the partition function that are not present in the orbifolds of the uncompactified ten-dimensional theory. We show that all tachyonic contributions in these models admit a resummation and analytic continuation that yields finite entropy in the physical region $0 < N \leq 1$ just as in ten dimensions. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2310_13735 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Entanglement Entropy in String Compactifications Dabholkar, Atish Moitra, Upamanyu High Energy Physics - Theory General Relativity and Quantum Cosmology Mathematical Physics Quantum Physics We consider $\mathbb{Z}_N$ orbifolds of Type-II compactifications to four and six dimensions on several Calabi-Yau manifolds in the orbifold limit with the aim to compute the entanglement entropy. The spectrum can contain tachyons in the doubly-twisted sectors which can lead to new infrared divergences for the partition function that are not present in the orbifolds of the uncompactified ten-dimensional theory. We show that all tachyonic contributions in these models admit a resummation and analytic continuation that yields finite entropy in the physical region $0 < N \leq 1$ just as in ten dimensions. |
| title | Entanglement Entropy in String Compactifications |
| topic | High Energy Physics - Theory General Relativity and Quantum Cosmology Mathematical Physics Quantum Physics |
| url | https://arxiv.org/abs/2310.13735 |