Statistical mechanics approach to the jamming transition in granular materials

A. Coniglio, A. de Candia, A. Fierro, M. Nicodemi and M. Tarzia

Physica A: Statistical Mechanics and its Applications, 2004, vol. 344, issue 3, 431-439

Abstract: A system under gravity, made up of hard spheres with an internal degree of freedom, is studied on a 3d lattice under a Monte Carlo “tap” dynamics. A “jamming” transition similar to that found in real experiment is found. To understand the nature of such transition a simplified version of the model is also studied in a mean field approximation, using the statistical mechanics approach à la Edwards. A phase transition from a “fluid” to a “glassy” phase is found when crystallization is avoided. Interestingly, the nature of such a “glassy” phase turns out to be the same found in mean field models for glass formers.

Keywords: Granular materials; Glasses; Mean field (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:344:y:2004:i:3:p:431-439

DOI: 10.1016/j.physa.2004.06.011

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