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

Han-Xin Yang and Zhihai Rong

Physica A: Statistical Mechanics and its Applications, 2015, vol. 432, issue C, 180-186

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.

Keywords: Collective motion; Vicsek model; Restricted interaction (search for similar items in EconPapers)
Date: 2015
References: View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:432:y:2015:i:c:p:180-186

DOI: 10.1016/j.physa.2015.03.031

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