Collective dynamics of self-propelled particles with variable speed.

@article{Mishra2012CollectiveDO,
  title={Collective dynamics of self-propelled particles with variable speed.},
  author={Shradha Mishra and Kolbj\orn Tunstr\om and Iain D. Couzin and Cristi{\'a}n Huepe},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  year={2012},
  volume={86 1 Pt 1},
  pages={011901}
}
Understanding the organization of collective motion in biological systems is an ongoing challenge. In this paper we consider a minimal model of self-propelled particles with variable speed. Inspired by experimental data from schooling fish, we introduce a power-law dependency of the speed of each particle on the degree of polarization order in its neighborhood. We derive analytically a coarse-grained continuous approximation for this model and find that, while the specific variable speed rule… CONTINUE READING
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