Statistical Physics

Collective motion of self-propelled particles: kinetic phase transition in one dimension

We demonstrate that a system of self-propelled particles exhibits spontaneous symmetry breaking and self-organization in one dimension, in contrast with previous analytical predictions. To explain this surprising result we derive a new continuum theory that can account for the development of the symmetry broken state and belongs to the same universality class as the discrete self-propelled particle model.


More publications
A.-L. Barabási

Applied Physics Letters 70, 2565-2567 (1997)

D. J. Hornbaker, R. Albert, I. Albert, A.-L. Barabási, P. Schiffer

Nature 387, 765 (1997)

I. Daruka, A.-L. Barabási

Applied Physics Letters 72, 2102–2104 (1998)