Fluctuations of rotational and translational degrees of freedom in an interacting active dumbbell system

Leticia F. Cugliandolo, Giuseppe Gonnella and Antonio Suma

Chaos, Solitons & Fractals, 2015, vol. 81, issue PB, 556-566

Abstract: We study the dynamical properties of a two-dimensional ensemble of self-propelled dumbbells with only repulsive interactions. After summarizing the behavior of the translational and rotational mean-square displacements in the homogeneous phase that we established in a previous study, we analyze their fluctuations. We study the dependence of the probability distribution functions in terms of the Péclet number, describing the relative role of active forces and thermal fluctuations, and of particle density.

Keywords: Diffusion processes; Active matter (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:81:y:2015:i:pb:p:556-566

DOI: 10.1016/j.chaos.2015.04.015

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