Dressing cosets and multi-parametric integrable deformations

Abstract

We provide a new construction of the dressing cosets sigma-models which is based on an isotropic gauging of the E-models. As an application of this new approach, we show that the recently constructed multi-parametric integrable deformations of the principal chiral model are the dressing cosets, they are therefore automatically renormalizable and their dynamics can be completely characterized in terms of current algebras.

arXiv comment36 pages, minor changes, version accepted for publication in JHEP

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