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Some integrable deformations of the Wess-Zumino-Witten model

Abstract : Lie algebra valued equations translating the integrability of a general two-dimensional Wess-Zumino-Witten model are given. We found a simple solution to these equations and identified a new integrable nonlinear sigma model. This is a two-parameter deformation of the Wess-Zumino-Witten model.
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https://hal.archives-ouvertes.fr/hal-03107927
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Submitted on : Tuesday, January 12, 2021 - 9:19:26 PM
Last modification on : Tuesday, January 11, 2022 - 5:56:35 PM

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N. Mohammedi. Some integrable deformations of the Wess-Zumino-Witten model. Phys.Rev.D, 2021, 104 (12), pp.126028. ⟨10.1103/PhysRevD.104.126028⟩. ⟨hal-03107927⟩

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