Aggregation of self-propelled colloidal rods near confining walls

Details Aggregation of self-propelled colloidal rods near confining walls Aggregation of self-propelled colloidal rods near confining walls

2008-09-03

arxiv.org/abs/0809.0633v1

Physics

Condensed Matter

Soft Condensed Matter

5 pages, 4 figures

Scientific paper

10.1103/PhysRevE.78.031409

Non-equilibrium collective behavior of self-propelled colloidal rods in a confining channel is studied using Brownian dynamics simulations and dynamical density functional theory. We observe an aggregation process in which rods self-organize into transiently jammed clusters at the channel walls. In the early stage of the process, fast-growing hedgehog-like clusters are formed which are largely immobile. At later stages, most of these clusters dissolve and mobilize into nematized aggregates sliding past the walls.

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