Emergence of coherent motion in aggregates of motile coupled maps

Details Emergence of coherent motion in aggregates of motile coupled maps Emergence of coherent motion in aggregates of motile coupled maps

2010-07-31

arxiv.org/abs/1008.0090v2

Nonlinear Sciences

Chaotic Dynamics

33 pages, 12 figures, accepted for publication at Chaos, Solitons and Fractals

Scientific paper

In this paper we study the emergence of coherence in collective motion described by a system of interacting motiles endowed with an inner, adaptative, steering mechanism. By means of a nonlinear parametric coupling, the system elements are able to swing along the route to chaos. Thereby, each motile can display different types of behavior, i.e. from ordered to fully erratic motion, accordingly with its surrounding conditions. The appearance of patterns of collective motion is shown to be related to the emergence of interparticle synchronization and the degree of coherence of motion is quantified by means of a graph representation. The effects related to the density of particles and to interparticle distances are explored. It is shown that the higher degrees of coherence and group cohesion are attained when the system elements display a combination of ordered and chaotic behaviors, which emerges from a collective self-organization process.

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