Finite-size effect for four-loop Konishi of the beta-deformed N=4 SYM

Details Finite-size effect for four-loop Konishi of the beta-deformed N=4 SYM Finite-size effect for four-loop Konishi of the beta-deformed N=4 SYM

2010-06-11

arxiv.org/abs/1006.2209v2

Physics

High Energy Physics

High Energy Physics - Theory

10 pages; v2: References added, minor corrections made; To appear in Phys. Lett. B

Scientific paper

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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