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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2512.06091 |
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| _version_ | 1866914566466699264 |
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| author | Casale, Giuseppe Itsios, Georgios |
| author_facet | Casale, Giuseppe Itsios, Georgios |
| contents | We construct solutions of type-II supergravity based on multiple copies and/or mixings of $λ$-deformed coset CFTs on $\mathrm{SO}(n+1)_k/\mathrm{SO}(n)_k$, with $n = 2, 3, 4$. The resulting ten-dimensional geometries contain undeformed $\mathrm{AdS}$ factors, thereby allowing a connection between $λ$-deformations and the AdS/CFT correspondence. Imposing reality conditions on the solutions further constrains the deformation parameter. In some cases these bounds exclude the undeformed ($λ= 0$) or non-Abelian T-dual ($λ\to 1$) limits. This work extends the results of 1911.12371 and 2411.11086. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2512_06091 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Supergravity realisations of $λ$-models Casale, Giuseppe Itsios, Georgios High Energy Physics - Theory We construct solutions of type-II supergravity based on multiple copies and/or mixings of $λ$-deformed coset CFTs on $\mathrm{SO}(n+1)_k/\mathrm{SO}(n)_k$, with $n = 2, 3, 4$. The resulting ten-dimensional geometries contain undeformed $\mathrm{AdS}$ factors, thereby allowing a connection between $λ$-deformations and the AdS/CFT correspondence. Imposing reality conditions on the solutions further constrains the deformation parameter. In some cases these bounds exclude the undeformed ($λ= 0$) or non-Abelian T-dual ($λ\to 1$) limits. This work extends the results of 1911.12371 and 2411.11086. |
| title | Supergravity realisations of $λ$-models |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2512.06091 |