Wrapping interactions at strong coupling
Seminar Room 1, Newton Institute
I would like to derive generalized Luscher formulas for finite size corrections in a quantum field theory and apply them to the case of the worldsheet theory of the AdS_5xS^5 superstring. From the gauge theory point of view these corrections come from wrapping interactions which go beyond the asymptotic all-loop Bethe ansatz. I show that one can recover the classical string computation of finite size corrections to the dispersion relation of the giant magnon. The agreement involves a Borel resummation of all even-loop orders of the BES/BHL dressing factor.
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