A holographic realization of light dilatons

We study a realization of light dilatons by considering Conformal Field Theories deformed by a nearly marginal operator ${\cal O}$. This is discussed in the holographic setup consisting of Renormalization Group flows that end on a soft wall. We obtain a mass formula for the dilaton as an average along the flow. Finally we discuss the holographic method to compute the condensate $\langle {\cal O} \rangle$.

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