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Crystallization via shaking in a granular gas with van der Waals interactions

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Bai,  Qiong
Group Non-equilibrium soft matter, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Mazza,  Marco
Group Non-equilibrium soft matter, Department of Dynamics of Complex Fluids, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Bai, Q., & Mazza, M. (2019). Crystallization via shaking in a granular gas with van der Waals interactions. Physical Review E, 100(4): 042910. doi:10.1103/PhysRevE.100.042910.


Cite as: https://hdl.handle.net/21.11116/0000-0005-1B08-5
Abstract
We investigate the effect of van der Waals forces on a collection of granular particles by means of molecular
dynamics simulations of a vibrated system in three dimensions. The van der Waals interactions introduce two
phase coexistences: one between a random close packing and a gas and a second between a polycrystalline
dense state and a gas, where the dense, disordered component crystallizes when the driving amplitude exceeds a
threshold value. The region of stability of the ordered state in the nonequilibrium phase diagram grows in size
as the Hamaker constant increases or the degree of dissipation increases.