Superspace methods for the computation of wrapping effects in the standard and beta-deformed N=4 SYM

2010/06/17 by Francesco Fiamberti, Fiamberti, Francesco, Alberto Santambrogio +3
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Theory (hep-th) #hep-th

paper · pdf · doi:10.48550/arxiv.1006.3475

review article, LaTeX, 36 pages, 15 figures, v2: references and note added

arxiv created 2010/07/13 · arxiv updated 2010/07/14

Abstract

We review the general procedure for the field-theoretical computation of wrapping effects in standard and beta-deformed N=4 super Yang-Mills by means of N=1 superspace techniques. In the undeformed theory, these methods allowed to find explicit results at four and five loops for two-impurity operators. In the deformed case, a general expression for the finite-size correction to the anomalous dimension of single-impurity operators at the critical order was obtained.

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