Jamming transition in a highly dense granular system under vertical vibration

Details Jamming transition in a highly dense granular system under vertical vibration Jamming transition in a highly dense granular system under vertical vibration

2005-01-13

arxiv.org/abs/cond-mat/0501310v3

Phys. Rev. E 72, 011302 (2005)

Physics

Condensed Matter

Statistical Mechanics

5 pages, 5 figures, accepted by Phys. Rev. E

Scientific paper

10.1103/PhysRevE.72.011302

The dynamics of the jamming transition in a three-dimensional granular system under vertical vibration is studied using diffusing-wave spectroscopy. When the maximum acceleration of the external vibration is large, the granular system behaves like a fluid, with the dynamic correlation function G(t) relaxing rapidly. As the acceleration of vibration approaches the gravitational acceleration g, the relaxation of G(t) slows down dramatically, and eventually stops. Thus the system undergoes a phase transition and behaves like a solid. Near the transition point, we find that the structural relaxation shows a stretched exponential behavior. This behavior is analogous to the behavior of supercooled liquids close to the glass transition.

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