Noise-induced transition from translational to rotational motion of swarms

被引：125

作者：

Erdmann, U

Ebeling, W

Mikhailov, AS

机构：

[1] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany

[2] Fritz Haber Inst, Max Planck Gesell, Chem Phys Abt, D-14195 Berlin, Germany

来源：

PHYSICAL REVIEW E | 2005年 / 71卷 / 05期

关键词：

D O I：

10.1103/PhysRevE.71.051904

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

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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页数：7

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