The O(N) model on a squashed S^3 and the Klebanov-Polyakov correspondence

Details The O(N) model on a squashed S^3 and the Klebanov-Polyakov correspondence The O(N) model on a squashed S^3 and the Klebanov-Polyakov correspondence

2005-03-31

arxiv.org/abs/hep-th/0503238v3

JHEP 0506:012,2005

Physics

High Energy Physics

High Energy Physics - Theory

1+27 pages. 6 figures. LaTeX. References added

Scientific paper

10.1088/1126-6708/2005/06/012

We solve the O(N) vector model at large N on a squashed three-sphere with a conformal mass term. Using the Klebanov-Polyakov version of the AdS_4/CFT_3 correspondence we match various aspects of the strongly coupled theory with the physics of the bulk AdS Taub-NUT and AdS Taub-Bolt geometries. Remarkably, we find that the field theory reproduces the behaviour of the bulk free energy as a function of the squashing parameter. The O(N) model is realised in a symmetric phase for all finite values of the coupling and squashing parameter, including when the boundary scalar curvature is negative.

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