Novel type of phase transition in a system of self-driven particles.

@article{Vicsek1995NovelTO,
  title={Novel type of phase transition in a system of self-driven particles.},
  author={Vicsek and Czir{\'o}k and Ben-Jacob and Cohen and Shochet},
  journal={Physical review letters},
  year={1995},
  volume={75 6},
  pages={
          1226-1229
        }
}
A simple model with a novel type of dynamics is introduced in order to investigate the emergence of self-ordered motion in systems of particles with biologically motivated interaction. In our model particles are driven with a constant absolute velocity and at each time step assume the average direction of motion of the particles in their neighborhood with some random perturbation $(\ensuremath{\eta})$ added. We present numerical evidence that this model results in a kinetic phase transition… 
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