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Holographic c-theorems

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<strong>Holographic</strong> RG flows:<br />

(Freedman, Gubser, Pilch & Warner, hep-th/9904017)<br />

(Girardello, Petrini, Porrati and Zaffaroni, hep-th/9810126)<br />

• assume stationary points: matter fields fixed and<br />

• consider metric:<br />

(eg, scalar field: )<br />

• at stationary points, AdS 5 vacuum: with<br />

• RG flows are solutions starting at one stationary point and<br />

ending at another<br />

UV<br />

IR

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