Some integrable deformations of the Wess-Zumino-Witten model

N. Mohammedi (1)

1 IDP - Institut Denis Poisson

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.

Mots clés: Wess-Zumino-Witten model: deformation; sigma model: nonlinear; algebra: Lie; dimension: 2; integrability; Wess-Zumino term; Yang-Baxter

Domaines: Physique des Hautes Energies - Théorie [hep-th]

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