Non-renormalisation of extremal correlators in N=4 SYM theory
High Energy Physics - Theory
2009-10-31 v2
Abstract
We show that extremal correlators of chiral primary operators in N=4 supersymmetric Yang-Mills theory with SU(N) gauge group are neither renormalised at first order in perturbation theory nor receive contribution from any instanton sector at leading order in the semiclassical expansion. This lends support to the strongest version of a new prediction recently put forward on the basis of the AdS/SCFT correspondence.
Keywords
Cite
@article{arxiv.hep-th/9910016,
title = {Non-renormalisation of extremal correlators in N=4 SYM theory},
author = {Massimo Bianchi and Stefano Kovacs},
journal= {arXiv preprint arXiv:hep-th/9910016},
year = {2009}
}
Comments
13 pages, LaTeX2e; definition of extremal correlators moved to the introduction, references added; final version to appear in Physics Letters B