Nonlinear Dynamics of Active Brownian Particles

Details Nonlinear Dynamics of Active Brownian Particles Nonlinear Dynamics of Active Brownian Particles

2002-10-09

arxiv.org/abs/cond-mat/0210197v1

Physics

Condensed Matter

Statistical Mechanics

12 pages, 4 figures

Scientific paper

We consider finite systems of interacting Brownian particles including active friction in the framework of nonlinear dynamics and statistical/stochastic theory. First we study the statistical properties for $1-d$ systems of masses connected by Toda springs which are imbedded into a heat bath. Including negative friction we find $N+1$ attractors of motion including an attractor describing dissipative solitons. Noise leads to transition between the deterministic attractors. In the case of two-dynamical motion of interacting particles angular momenta are generated and left/right rotations of pairs and swarms are found.

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