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Issue 48, 2017
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Rattler-induced aging dynamics in jammed granular systems

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Abstract

Granular materials jam when developing a network of contact forces able to resist the applied stresses. Through numerical simulations of the dynamics of the jamming process, we show that the jamming transition does not occur when the kinetic energy vanishes. Rather, as the system jams, the kinetic energy becomes dominated by rattler particles, which scatter within their cages. The relaxation of the kinetic energy in the jammed configuration exhibits a double power-law decay, which we interpret in terms of the interplay between backbone and rattler particles.

Graphical abstract: Rattler-induced aging dynamics in jammed granular systems

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Publication details

The article was received on 03 Oct 2017, accepted on 18 Nov 2017 and first published on 20 Nov 2017


Article type: Paper
DOI: 10.1039/C7SM01976A
Citation: Soft Matter, 2017,13, 9132-9137
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    Rattler-induced aging dynamics in jammed granular systems

    F. Giacco, L. de Arcangelis, M. Pica Ciamarra and E. Lippiello, Soft Matter, 2017, 13, 9132
    DOI: 10.1039/C7SM01976A

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