Integrable Deformations of the Breitenlohner-Maison Model from 4d Chern-Simons Theory
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arXiv
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| Format: | Preprint |
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2026
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| _version_ | 1866915967323340800 |
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| author | Ashwinkumar, Meer Blau, Matthias |
| author_facet | Ashwinkumar, Meer Blau, Matthias |
| contents | We derive integrable deformations of the 2d Breitenlohner-Maison (BM) sigma model that describes the stationary, axisymmetric sector of 4d general relativity, as well as higher-rank generalisations thereof, using the framework of 4d Chern-Simons theory. In particular, we consider deformations of the boundary conditions and action of the 4d Cole-Weck model, which lead to deformations of the BM model associated with solutions to the homogeneous and inhomogeneous classical Yang-Baxter equations respectively. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2604_26452 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Integrable Deformations of the Breitenlohner-Maison Model from 4d Chern-Simons Theory Ashwinkumar, Meer Blau, Matthias High Energy Physics - Theory General Relativity and Quantum Cosmology Mathematical Physics We derive integrable deformations of the 2d Breitenlohner-Maison (BM) sigma model that describes the stationary, axisymmetric sector of 4d general relativity, as well as higher-rank generalisations thereof, using the framework of 4d Chern-Simons theory. In particular, we consider deformations of the boundary conditions and action of the 4d Cole-Weck model, which lead to deformations of the BM model associated with solutions to the homogeneous and inhomogeneous classical Yang-Baxter equations respectively. |
| title | Integrable Deformations of the Breitenlohner-Maison Model from 4d Chern-Simons Theory |
| topic | High Energy Physics - Theory General Relativity and Quantum Cosmology Mathematical Physics |
| url | https://arxiv.org/abs/2604.26452 |