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Keywords
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Generalized supergravity, Sigma-model, String duality, Wess-Zumino-Witten model, Yang-Baxter deformation
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Abstract
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We show that the Yang–Baxter (YB) deformed
backgrounds of the Wess–Zumino–Witten (WZW) model
based on the H4 Lie group can be considered as solutions
of the generalized supergravity equations (GSEs). Then, by
applying the Poisson–Lie T-duality in the presence of spectator
fields, we obtain the non-Abelian target space duals of
those models. It is shown that all dual models (except for one
model) are integrable and most interestingly, they satisfy the
GSEs. As a final remark, we show that all solutions of the
GSEs for the original models are trivial.
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