Rate-dependent avalanche size in athermally sheared amorphous solids.

A. Lemaître,C. Caroli

Published 2009 in Physical Review Letters

ABSTRACT

We perform an extensive numerical study of avalanche behavior in a two-dimensional Lennard-Jones glass at T = 0, sheared at finite strain rates gamma[over]. From the finite size analysis of stress fluctuations and of transverse diffusion we show that flip-flip correlations remain relevant at all realistic strain rates. We predict that, in steady flow, the avalanche size scales as gamma[over];{-1/d}, with d the space dimension.

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