paper

Phase Transitions in Granular Packings

arXiv:cond-mat/9602062 · doi:10.1016/0378-4371(95)00433-5

Abstract

We describe the contact network of granular packings by a frustrated lattice gas that contains steric frustration as essential ingredient. Two transitions are identified, a spin glass transition at the onset of Reynolds dilatancy and at lower densities a percolation transition. We describe the correlation functions that give rise to the singularities and propose some dynamical experiments.

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