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Constructing the AdS/CFT dressing factor

Nikolay Gromov, Pedro Vieira

hep-tharXiv:hep-th/0703266

Abstract

We prove the universality of the Hernandez-Lopez phase by deriving it from first principles. We find a very simple integral representation for the phase and discuss its possible origin from a nested Bethe ansatz structure. Hopefully, the same kind of derivation could be used to constrain higher orders of the full quantum dressing factor.

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