Higher loop mixed correlators in \( \mathcal{N} = 4\) SYM
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Publication:302809
DOI10.1007/JHEP03(2013)058zbMATH Open1342.81538arXiv1301.0149OpenAlexW3125801150MaRDI QIDQ302809
Author name not available (Why is that?)
Publication date: 12 August 2016
Published in: (Search for Journal in Brave)
Abstract: We compute analytically the two-loop contribution to the correlation function of the Lagrangian with a four-sided light-like (or null) Wilson loop in N=4 super Yang-Mills. As a non-trivial test of our result, we reproduce the three-loop value of the cusp anomalous dimension upon integration over the insertion point of the Lagrangian. The method we used involved calculating a dual scattering amplitude. Moreover, we give a simple representation of the loop integrand of the latter in twistor variables.
Full work available at URL: https://arxiv.org/abs/1301.0149
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