Noise-induced breakdown of coherent collective motion in swarms

Abstract

We consider swarms formed by populations of self-propelled particles with attractive long-range interactions. These swarms represent multistable dynamical systems and can be found either in coherent traveling states or in an incoherent oscillatory state where translational motion of the entire swarm is absent. Under increasing the noise intensity, the coherent traveling state of the swarms is destroyed and an abrupt transition to the oscillatory state takes place.

6 pages, 5 figures; to appear in Phys. Rev. E

References in corpus (2)

• Novel type of phase transition in a system of self-driven particles
• Spontaneously ordered motion of self-propelled particles

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