Correlators in Nontrivial Backgrounds

Details Correlators in Nontrivial Backgrounds Correlators in Nontrivial Backgrounds

2008-10-22

arxiv.org/abs/0810.4041v3

Phys.Rev.D79:026004,2009

Physics

High Energy Physics

High Energy Physics - Theory

39 pages; clarification in section 2.3 added; minor typos fixed

Scientific paper

10.1103/PhysRevD.79.026004

Operators in N=4 super Yang-Mills theory with an R-charge of O(N^2) are dual to backgrounds which are asymtotically AdS5xS5. In this article we develop efficient techniques that allow the computation of correlation functions in these backgrounds. We find that (i) contractions between fields in the string words and fields in the operator creating the background are the field theory accounting of the new geometry, (ii) correlation functions of probes in these backgrounds are given by the free field theory contractions but with rescaled propagators and (iii) in these backgrounds there are no open string excitations with their special end point interactions; we have only closed string excitations.

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