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Promoting collective motion of self-propelled agents by discarding short-range interactions

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  • Yang, Han-Xin
  • Rong, Zhihai

Abstract

We study the collective motion of self-propelled agents with the restricted view. The field of view of each agent is an annulus bounded by the outer radius r and inner radius αr, where α ​is a tunable parameter. We find that there exists an optimal value of α leading to the highest degree of direction consensus. This phenomenon indicates that there exists superfluous communication in the collective motion of self-propelled agents and short-range interactions hinder the direction consensus of the system. The value of optimal α decreases as the absolute velocity increases, while it increases as the outer radius r and the system size increase. For a fixed value of α, direction consensus is enhanced when the absolute velocity is small, the outer radius or the system size is large.

Suggested Citation

  • Yang, Han-Xin & Rong, Zhihai, 2015. "Promoting collective motion of self-propelled agents by discarding short-range interactions," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 432(C), pages 180-186.
    • Handle: RePEc:eee:phsmap:v:432:y:2015:i:c:p:180-186
    DOI: 10.1016/j.physa.2015.03.031
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    Cited by:

    1. Ma, Peijie & Jiang, Yanqun & Zhu, Junfang & Chen, Bokui, 2019. "The effect of escape signs on the pedestrians evacuation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 534(C).

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