Glassy Motion of Elastic Manifolds

Abstract

We discuss the low-temperature dynamics of an elastic manifold driven through a random medium. For driving forces well below the $T=0$ depinning force, the medium advances via thermally activated hops over the energy barriers separating favorable metastable states. We show that the distribution of waiting times for these hopping processes scales as a power-law. This power-law distribution naturally yields a nonlinear glassy response for the driven medium, $v\sim \exp (-\mathrm{const}\times F^{-\mu })$.

4pages, revtex

References in corpus (5)

• Interface Depinning in a Disordered Medium - Numerical Results
• Elastic String in a Random Potential
• Scaling Behavior of Driven Interfaces Above the Depinning Transition
• Energy Barriers to Motion of Flux Lines in Random Media
• Energy Barriers for Flux Lines in 3 Dimensions

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