Avalanche Excitations of Fast Particles in Quasi-2D Cold Dusty-Plasma Liquids

Ying Ju Lai, Lin I

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75 Scopus citations

Abstract

We study the spatiotemporal cooperative microexcitations in quasi-2D cold dusty-plasma liquids from the view of the coupled subexcitable nonlinear dynamical system. Under the interplay of thermal noise and mutual coupling, cooperative fast-particle clusters are excited in the [Formula presented] space. The fast hopping plays a major role in the superdiffusion with non-Gaussian velocity distribution and causes the loss of bond-orientation memory. The size distribution of the excited clusters in the [Formula presented] space follows a similar avalanche-type power-law relation as in other subexcitable systems.

Original languageEnglish
Article number155002
JournalPhysical Review Letters
Volume89
Issue number15
DOIs
StatePublished - 2002

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