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Title

Short-time relaxation of a driven elastic string in a random medium

Authors
Albano, Ezequiel V.
Published in Physical Review. B, Condensed Matter. 2006, vol. 74, no. 14
Abstract We study numerically the relaxation of a driven elastic string in a two-dimensional pinning landscape. The relaxation of the string, initially flat, is governed by a growing length L(t) separating the short steady-state equilibrated length scales from the large length scales that keep memory of the initial condition. We find a macroscopic short time regime where relaxation is universal, both above and below the depinning threshold, different from the one expected for standard critical phenomena. Below the threshold, the zero-temperature relaxation towards the first pinned configuration provides an experimentally convenient way to access all the critical exponents of the depinning transition independently.
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KOLTON, Alejandro et al. Short-time relaxation of a driven elastic string in a random medium. In: Physical Review. B, Condensed Matter, 2006, vol. 74, n° 14. https://archive-ouverte.unige.ch/unige:36082

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Deposited on : 2014-04-28

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