Intermittency and clustering in a system of self-driven particles

Cristián Huepe, Maximino Aldana

Research output: Contribution to journalArticlepeer-review

88 Scopus citations

Abstract

Intermittent behavior is shown to appear in a system of self-driven interacting particles. In the ordered phase, most particles move in the same approximate direction, but the system displays a series of intermittent bursts during which the order is temporarily lost. This intermittency is characterized and its statistical properties are found analytically for a reduced system containing only two particles. For large systems, the particles aggregate into clusters that play an essential role in the intermittent dynamics. The study of the cluster statistics shows that both the cluster sizes and the transition probability between them follow power-law distributions. The exchange of particles between clusters is shown to satisfy detailed balance.

Original languageEnglish (US)
Pages (from-to)168701
Number of pages1
JournalPhysical review letters
Volume92
Issue number16
StatePublished - Apr 23 2004

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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