Abstract:In this paper we study factorising twists of the massless AdS3 and AdS2 integrable R-matrices, and explore the programme of analysis of form factors which Maillet et al developed for ordinary spinchains. We derive the factorising twists from the universal R-matrix of the gl(1|1) Yangian double, and discuss the RTT relations for the two-and three-site monodromy matrix. We show how the twist can be used to compute a simple scalar product. We then implement our construction in the language of free fermions. Final… Show more
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