Volume 66, Number 4, May 2004
|Page(s)||531 - 537|
|Section||Condensed matter: structure, mechanical and thermal properties|
|Published online||01 May 2004|
Glass transition in granular media
Dipartimento di Fisica, Università di Napoli “Federico II”, INFM and INFN via Cintia, 80126 Napoli, Italy
Accepted: 8 March 2004
In the framework of schematic hard-spheres lattice models for granular media we investigate the phenomenon of the “jamming transition”. In particular, using Edwards' approach, by analytical calculations at a mean-field level, we derive the system phase diagram and show that “jamming” corresponds to a phase transition from a “fluid” to a “glassy” phase, observed 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.
PACS: 64.70.Pf – Glass transitions / 45.70.-n – Granular systems / 75.10.Nr – Spin-glass and other random models
© EDP Sciences, 2004
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