噪声诱导的群体平移运动到旋转运动的转变
Noise-Induced Transition from Translational to Rotational Motion of Swarms
摘要:
本文研究了噪声存在下二维系统中主动布朗体通过调和吸引势相互作用的模型。通过数值模拟,我们表明,该模型具有噪声诱导的转变,其特征在于随着噪声强度的增加,平移运动的崩溃和群体旋转的开始。进一步分析了弱噪声极限下群体动力学的统计特性。
英文摘要:
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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