World-sheet scattering in AdS_5 x S^5 at two loops

Details World-sheet scattering in AdS_5 x S^5 at two loops World-sheet scattering in AdS_5 x S^5 at two loops

2007-04-30

arxiv.org/abs/0704.3891v1

JHEP0708:051,2007

Physics

High Energy Physics

High Energy Physics - Theory

26pages, 3 figures

Scientific paper

10.1088/1126-6708/2007/08/051

We study the AdS_5 x S^5 sigma-model truncated to the near-flat-space limit to two-loops in perturbation theory. In addition to extending previously known one-loop results to the full SU(2|2)^2 S-matrix we calculate the two-loop correction to the dispersion relation and then compute the complete two-loop S-matrix. The result of the perturbative calculation can be compared with the appropriate limit of the conjectured S-matrix for the full theory and complete agreement is found.

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