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arXiv · 1204.5965

Avalanches in Strained Amorphous Solids: Does Inertia Destroy Critical Behavior?

K. Michael Salerno·Craig E. Maloney·Mark O. Robbins
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Abstract

Simulations are used to determine the effect of inertia on athermal shear of a two-dimensional binary Lennard-Jones glass. In the quasistatic limit, shear occurs through a series of rapid avalanches. The distribution of avalanches is analyzed using finite-size scaling with thousands to millions of particles. Inertia takes the system to a new underdamped universality class rather than driving the system away from criticality. Scaling exponents are determined for the underdamped and overdamped limits and a critical damping that separates the two regimes. Systems are in the overdamped universality class even when most vibrational modes are underdamped.

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K. Michael Salerno, Craig E. Maloney, Mark O. Robbins. 2012-04-26. Avalanches in Strained Amorphous Solids: Does Inertia Destroy Critical Behavior?. https://doi.org/10.1103/physrevlett.109.105703

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