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The Klebanov Polyakov correspondence on a squashed three sphere and Wilson loops in non relativistic AdS/CFTYonge, Mark Duke January 2010 (has links)
Motivated by the Klebanov-Polyakov conjecture we investigate the O(N) vector model at large N on a squashed three-sphere and its holographic relation to bulk gravity on asymptotically locally AdS4 space. We present analytical results for the action of the field theory as the squashing parameter , alpha→ -1, when the boundary becomes effectively one dimensional. In this limit we solve the theory exactly and show that the action of the boundary theory scales as ln(1 + alpha)/(1 + alpha)[2] which is to be compared and contrasted with the -1/(1 + alpha)[2] scaling of gravity in AdS-Taub-NUT space. These results are consistent with the numerical evidence presented in hep- th/0503238, and the soft logarithmic departure is interpreted as a prediction for the contribution due to higher spin fields in the bulk AdS[4] geometry. We then give an introduction to non relativistic AdS/CFT and numerically compute the inter quark potential in the non relativistic theory obtained by taking the DLCQ of N = 4 SYM theory by considering Wilson loops in the dual string theory via the AdS/CFT correspondence.
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