Comment on "Novel type of phase transition in a system of self-driven particles"
arXiv:cond-mat/0703532
Abstract
This paper uncovers a pitfall in the phase transition mechanism of Vicsek et al. [Phys. Rev. Lett. 75, 1226 (1995)] which occurs with fairly high probability and leads to complete breakdown of the model dynamics.
1 page, 2 figures