Observation of laser-pulse-induced traveling microbubbles in dusty plasma liquids

Hong Yu Chu, Yen Kun Chiu, Chia Ling Chan, I. Lin

研究成果: 雜誌貢獻期刊論文同行評審

17 引文 斯高帕斯(Scopus)

摘要

An overview is given of the experimental observation of spherical traveling plasma bubbles with low dust density inside rf dusty plasma liquids (DPLs) through pulsed laser ablation from suspended dust particles, as well as the investigation of the relation with the self-organized dust density waves. The dense plasma plume from ablation expels dust particles and forms the bubble. The lower dust-induced electron depletion in the bubble causes a denser plasma through the higher ionization rate, which compensates the diffusion loss and exerts outward ion drags to keep the bubble from collapsing. The downward motion of the bubble is associated with the repelling and attracting of the particles in the leading and trailing zones of the bubble.

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文章編號075004
頁(從 - 到)075004/1-075004/4
期刊Physical Review Letters
90
發行號7
出版狀態已出版 - 21 2月 2003

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