Finite-size effects in simulations of self-propelled particles system

Dorilson. S. Cambui, M. Godoy and A.S. de Arruda

Physica A: Statistical Mechanics and its Applications, 2017, vol. 467, issue C, 129-136

Abstract: We have considered a generalized version of a model consisting of self-propelled particles, where the speed is treated as an independent stochastic variable described by a Gamma-distribution, and the motion direction is adjusted in according to two behavioral rules: repulsion and orientation. We used the finite-size scaling theory to estimate the static critical exponents β, γ and ν as a function of the density ρ. We have obtained different values of the critical exponents for different values of the density ρ.

Keywords: Self-propelled particles; Collective motion; Finite-size scaling; Phase transition; Critical exponents (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:467:y:2017:i:c:p:129-136

DOI: 10.1016/j.physa.2016.10.041

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