paper

Disordered horizons: Holography of randomly disordered fixed points

arXiv:1402.0872 · doi:10.1103/PhysRevLett.112.231601

Abstract

We deform conformal field theories with classical gravity duals by marginally relevant random disorder. We show that the disorder generates a flow to IR fixed points with a finite amount of disorder. The randomly disordered fixed points are characterized by a dynamical critical exponent that we obtain both analytically (via resummed perturbation theory) and numerically (via a full simulation of the disorder). The IR dynamical critical exponent increases with the magnitude of disorder, probably tending to in the limit of infinite disorder.

v2: typos fixed, refs added, 19 pages, 5 figures

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