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hep-th2020★ 22 cited
RG flows of integrable -models and the twist function
François Delduc, Sylvain Lacroix, Konstantinos Sfetsos +1
In the study of integrable non-linear -models which are assemblies and/or deformations of principal chiral models and/or WZW models, a rational function called the twist functio…
hep-th2020★ 3 cited
A free field perspective of -deformed coset CFT's
George Georgiou, Konstantinos Sfetsos, Konstantinos Siampos
We continue our study of -deformed -models by setting up a perturbative expansion around the free field point for cosets, in particular for the -deformed $SU(2)/U(1)…