Microscopic particle motions in strongly coupled dusty plasmas

被引:103
作者
I, L
Juan, WT
Chiang, CH
Chu, JH
机构
[1] Department of Physics, National Central University, Chungli
关键词
D O I
10.1126/science.272.5268.1626
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The microscopic particle motions from the crystal to the disordered slate 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.
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页码:1626 / 1628
页数:3
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