2000 character limit reached
Finite-size effect for four-loop Konishi of the beta-deformed N=4 SYM
Published 11 Jun 2010 in hep-th | (1006.2209v2)
Abstract: We propose that certain twists of the su(2|2) S-matrix elements describe the beta-deformation of N=4 supersymmetric Yang-Mills theory. We compute the perturbative four-loop anomalous dimension of the Konishi operator of the deformed gauge theory from the Luscher formula based on these twisted S-matrix elements. The result agrees exactly with the perturbative gauge theory computations.
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