Cooperative microexcitations in 2+1D chain-bundle dusty plasma liquids

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题名:	Cooperative microexcitations in 2+1D chain-bundle dusty plasma liquids
作者:	Io,CW;Chan,CL;I,L
贡献者:	物理學系
关键词:	ELECTRORHEOLOGICAL FLUIDS;VORTEX LATTICE;CRYSTALS;FORCES
日期:	2010
上传时间:	2012-06-11 10:42:14 (UTC+8)
出版者:	國立中央大學
摘要:	Through direct visualization at the discrete level, the microexcitations in cold 2 + 1D dusty plasma liquids formed by negatively charged dusts suspended in low pressure gaseous discharges were experimentally investigated, in which the downward ion flow wake field induces strong vertical coupling and chain bundle structure. It is found that the horizontal structure and motion are similar to those of the two-dimensional liquid. Different types of basic cooperative chain excitations: straight vertical chains with small amplitude jittering, chain tilting-restraightening, bundle twisting-restraightening, and chain breaking-reconnection, are observed. The region with good (poor) horizontal structural order prefers the straight (tilted or broken) chains with little (large) titling and tilting rate. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3422553]
關聯:	PHYSICS OF PLASMAS
显示于类别:	[物理學系] 期刊論文

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