Phase separation and surface tension in vibrated granular matter.

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• Prof. Michael Swift, University of Nottingham
• Thursday 06 June 2013, 13:45-15:00
• Theory Library.

If you have a question about this talk, please contact Kevin Ralley.

We describe a novel phase transition in a non-cohesive granular gas subject to vertical vibration between two horizontal plates. We find a high-density, low temperature granular-liquid, coexisting with a low-density, high temperature granular-gas moving coherently. Simulations show that the mechanism responsible for the transition is the existence of a negative-compressibility spinodal region. The dynamics of the phase separation and the existence of an emergent, non-equilibrium surface tension are also discussed

This talk is part of the Theoretical Physics Seminars series.

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