Effective AdS/renormalized CFT

Details Effective AdS/renormalized CFT Effective AdS/renormalized CFT

2011-05-03

arxiv.org/abs/1105.0678v1

Physics

High Energy Physics

High Energy Physics - Theory

20 pages, 3 figures

Scientific paper

For an effective AdS theory, we present a simple prescription to compute the renormalization of its dual boundary field theory. In particular, we define anomalous dimension holographically as the dependence of the wave-function renormalization factor on the radial cutoff in the Poincare patch of AdS. With this definition, the anomalous dimensions of both single- and double- trace operators are calculated. Three different dualities are considered with the field theory being CFT, CFT with a double-trace deformation and spontaneously broken CFT. For the second dual pair, we compute scaling corrections at the UV and IR fixed points of the RG flow triggered by the double-trace deformation. For the last case, we discuss whether our prescription is sensitive to the AdS interior or equivalently, the IR physics of the dual field theory.

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