World-sheet scattering in AdS5 × S5 at two loops

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Published 16 August 2007 • Published under licence by IOP Publishing Ltd
, , Citation Thomas Klose et al JHEP08(2007)051 DOI 10.1088/1126-6708/2007/08/051

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Author affiliations

1 Department of Theoretical Physics, Uppsala University, SE-751 08 Uppsala, Sweden

2 Department of Physics, The Pennsylvania State University, University Park, PA 16802, U.S.A.

Dates

  1. Received 10 May 2007
  2. Accepted 6 August 2007
  3. Published

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1126-6708/2007/08/051

Abstract

We study the AdS5 × S5 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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10.1088/1126-6708/2007/08/051