Granular Physics

Coordinators: Robin Ball, Thomas C. Halsey, V. Kumaran

One of the most interesting and unexpected new frontiers of physical science is the study of granular matter: systems made up of classical particles, often of macroscopic size, that interact predominantly by contact forces with one another. Examples include the sand on a beach, grain in a hopper, pills in a bottle, or toner in a Xerox machine. This program will address a variety of theoretical and experimental issues in granular physics, including the dynamics and rheology of granular flow with and without interstitial fluids, granular statics and aging, the statistical mechanics of granular gases and fluids, and applications of granular physics to problems of geophysical and industrial interest.

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