Phases and phase transitions in flocking systems

Yuhai Tu

Physica A: Statistical Mechanics and its Applications, 2000, vol. 281, issue 1, 30-40

Abstract: In this paper, we briefly review some recent theoretical and numerical progress in understanding flocking dynamics. On the theoretical side, a continuum model has been successfully used in explaining the hydrodynamic properties of the flock dynamics. In particular, the long-range ordered state has been shown to be stable even in two dimensions. On the numerical side, study of a discrete model which includes both body force interaction and alignment force reveals a very rich phase diagram. The potential of such models in describing finite flocks is discussed. In the end, we list some unanswered questions and new directions for future studies.

Keywords: Flocking dynamics; Phase transition; Nonequilibrium system (search for similar items in EconPapers)
Date: 2000
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:281:y:2000:i:1:p:30-40

DOI: 10.1016/S0378-4371(00)00017-0

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