Anomaly cancellation and one-loop finiteness of 6D half-maximal supergravities
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866911641981943808 |
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| author | Kallosh, Renata |
| author_facet | Kallosh, Renata |
| contents | We suggest that the surprising one-loop finiteness of 6D half-maximal supergravities recently discovered in \cite{Huang:2025nyr} might be related to anomaly-free $SO(5, 21)$ G-duality symmetry in $(2,0)$ supergravity with 21 tensor multiplets and to anomaly-free $SO(4, 20)$ G-duality symmetry of $(1,1)$ supergravity with 20 vector multiplets. Our argument is reminiscent of the analogous role of the anomaly-free $E_{7(7)}$ G-duality symmetry in the UV finiteness of a maximal 4D supergravity at 3 loops. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2512_05082 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Anomaly cancellation and one-loop finiteness of 6D half-maximal supergravities Kallosh, Renata High Energy Physics - Theory We suggest that the surprising one-loop finiteness of 6D half-maximal supergravities recently discovered in \cite{Huang:2025nyr} might be related to anomaly-free $SO(5, 21)$ G-duality symmetry in $(2,0)$ supergravity with 21 tensor multiplets and to anomaly-free $SO(4, 20)$ G-duality symmetry of $(1,1)$ supergravity with 20 vector multiplets. Our argument is reminiscent of the analogous role of the anomaly-free $E_{7(7)}$ G-duality symmetry in the UV finiteness of a maximal 4D supergravity at 3 loops. |
| title | Anomaly cancellation and one-loop finiteness of 6D half-maximal supergravities |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2512.05082 |