Stability and Dynamics of Crystals and Glasses of Motorized Particles

Details Stability and Dynamics of Crystals and Glasses of Motorized Particles Stability and Dynamics of Crystals and Glasses of Motorized Particles

2004-03-05

arxiv.org/abs/cond-mat/0403180v1

Physics

Condensed Matter

Soft Condensed Matter

5 pages, 3 figures

Scientific paper

10.1073/pnas.0402602101

Many of the large structures of the cell, such as the cytoskeleton, are assembled and maintained far from equilibrium. We study the stabilities of various structures for a simple model of such a far-from-equilibrium organized assembly in which spherical particles move under the influence of attached motors. From the variational solutions of the manybody master equation for Brownian motion with motorized kicking we obtain a closed equation for the order parameter of localization. Thus we obtain the transition criterion for localization and stability limits for the crystalline phase and frozen amorphous structures of motorized particles. The theory also allows an estimate of nonequilibrium effective temperatures characterizing the response and fluctuations of motorized crystals and glasses.

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