Asymptotics in the bi-Yang-Baxter Sigma Model
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arXiv
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| Autores principales: | , , , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Acceso en línea: | |
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| _version_ | 1866917155415523328 |
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| author | Ashwinkumar, Meer Orlando, Domenico Reffert, Susanne Sberveglieri, Giacomo |
| author_facet | Ashwinkumar, Meer Orlando, Domenico Reffert, Susanne Sberveglieri, Giacomo |
| contents | Working in a sector of large charge is a powerful tool to analytically access models that are either strongly coupled or otherwise difficult to solve explicitly. In the context of integrable systems, Volin's method is exactly such a large-charge approach. In this note, we apply this method to the bi-Yang-Baxter deformed $SU(2)$ principal chiral model. Our main result is an explicit expression for the free energy density as an asymptotic expansion. We moreover determine the leading non-perturbative effects both via analytic methods and a resurgence analysis. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2501_18458 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Asymptotics in the bi-Yang-Baxter Sigma Model Ashwinkumar, Meer Orlando, Domenico Reffert, Susanne Sberveglieri, Giacomo High Energy Physics - Theory Working in a sector of large charge is a powerful tool to analytically access models that are either strongly coupled or otherwise difficult to solve explicitly. In the context of integrable systems, Volin's method is exactly such a large-charge approach. In this note, we apply this method to the bi-Yang-Baxter deformed $SU(2)$ principal chiral model. Our main result is an explicit expression for the free energy density as an asymptotic expansion. We moreover determine the leading non-perturbative effects both via analytic methods and a resurgence analysis. |
| title | Asymptotics in the bi-Yang-Baxter Sigma Model |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2501.18458 |