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Sliding Objects with Random Friction

Itzhak Webman, Jose Luis Gruver, Shlomo Havlin

cond-mat.stat-mecharXiv:cond-mat/9904148

Abstract

We study the motion of elastic networks driven over a random substrate. Our model which includes local friction forces leads to complex dynamical behavior. We find a transition to a sliding state which belongs to a new universality class. The phase diagram comprises of a pinned state, a stick-slip motion phase, and a free motion phase.

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