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Deformed integrable σ-models, classical R-matrices and classical exchange algebra on Drinfel’d doubles

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JournalJournal of Physics A: Mathematical and Theoretical
DateAccepted/In press - 8 Jul 2015
DatePublished (current) - Aug 2015
Issue number35
Number of pages33
Original languageEnglish


We describe a unifying framework for the systematic construction of integrable deformations of integrable σ-models within the Hamiltonian formalism. It applies equally to both the 'Yang–Baxter' type as well as 'gauged WZW' type deformations which were considered recently in the literature. As a byproduct, these two families of integrable deformations are shown to be Poisson–Lie T-dual of one another

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