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
S. Lee, I. Daruka, C.S. Kim, A.-L. Barabási, J.L. Merz, J.K. Furdyna

Physical Review Letters 81, 3479-3482 (1998)

A.-L. Barabási

Applied Physics Letters 70, 2565-2567 (1997)

I. Daruka, A.-L. Barabási

Applied Physics Letters 72, 2102–2104 (1998)