Noise-Induced Transition from Translational to Rotational Motion of Swarms

Details Noise-Induced Transition from Translational to Rotational Motion of Swarms Noise-Induced Transition from Translational to Rotational Motion of Swarms

2004-12-06

arxiv.org/abs/physics/0412037v1

Physical Review E, 71:051904, 2005

Physics

Biological Physics

7 pages, 7 figures

Scientific paper

10.1103/PhysRevE.71.051904

We consider a model of active Brownian agents interacting via a harmonic attractive potential in a two-dimensional system in the presence of noise. By numerical simulations, we show that this model possesses a noise-induced transition characterized by the breakdown of translational motion and the onset of swarm rotation as the noise intensity is increased. Statistical properties of swarm dynamics in the weak noise limit are further analytically investigated.

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