Microscopic particle motions in strongly coupled dusty plasmas

I. Lin, Wen Tau Juan, Chih Hui Chiang, J. H. Chu

Research output: Contribution to journalArticlepeer-review

64 Scopus citations

Abstract

The microscopic particle motions from the crystal to the disordered state of a dusty plasma with micrometer-sized silicon dioxide particle suspensions in a radio-frequency glow discharge system were studied through an optical microimaging system. Small-amplitude random motion around the lattice sites of the crystal state, relative domain motion with varying boundaries, cooperative hopping in the liquid state, and highly disordered motion with increasing radio-frequency power were observed. Chaotic states with different spatial scales under the coherent and stochastic coupling between dust particles and self-organized background plasma fluctuations were also demonstrated.

Original languageEnglish
Pages (from-to)1626-1628
Number of pages3
JournalScience
Volume272
Issue number5268
DOIs
StatePublished - 14 Jun 1996

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