Unjamming due to local perturbations in granular packings with and without gravity (original) (raw)

Unjamming due to local perturbations in granular packings with and without gravity

2008

Abstract

Many systems including granular materials, foams, and emulsions can flow like fluids when a high external stress is applied but jam into a solidlike state below a certain threshold of stress. In a jammed state 1–4 the many-body system is trapped in a metastable configuration far from equilibrium where the constituent particles block each other's motion.

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