Characterization of a Freezing/Melting Transition in a Vibrated and Sheared Granular Medium
Karen E. Daniels, Robert P. Behringer
Abstract
We describe experiments on monodisperse spherical particles in an annular cell geometry, vibrated from below and sheared from above. This system shows a freezing/melting transition such that under sufficient vibration a crystallized state is observed, which can be melted by sufficient shear. We characterize the hysteretic transition between these two states, and observe features reminiscent of both a jamming transition and critical phenomena.
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