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arxiv: hep-th/0003116 · v1 · submitted 2000-03-14 · ✦ hep-th

A note on gravity-scalar fluctuations in holographic RG flow geometries

classification ✦ hep-th
keywords scalarfluctuationsbackgroundfieldflowactionapplyboundary
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We study five-dimensional gravity models with non-vanishing background scalar fields which are dual to non-conformal boundary field theories. We develop a procedure to decouple the graviton fluctuations from the scalar ones and apply it to the simplest case of one scalar field. The quadratic action for the decoupled scalar fluctuations has a very simple form and can be used to compute two-point functions. We perform this computation for the two examples of background RG flow recently considered by DeWolfe and Freedman and find physically reasonable results.

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