Universal Statistics of the Critical Depinning Force of Elastic Systems in Random Media

Abstract

We study the rescaled probability distribution of the critical depinning force of an elastic system in a random medium. We put in evidence the underlying connection between the critical properties of the depinning transition and the extreme value statistics of correlated variables. The distribution is Gaussian for all periodic systems, while in the case of random manifolds there exists a family of universal functions ranging from the Gaussian to the Gumbel distribution. Both of these scenarios are a priori experimentally accessible in finite, macroscopic, disordered elastic systems.

4 pages, 4 figures

References in corpus (1)

• Width distribution of contact lines on a disordered substrate

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