Vibrational Modes and Instabilities of a Dust-Particle Pair in a Complex Plasma

被引：13
|
作者：
Qiao, Ke [1 ]
Matthews, Lorin Swint [1 ]
Hyde, Truell W. [1 ]
机构：
[1] Baylor Univ, Ctr Astrophys Space Phys & Engn Res, Waco, TX 76798 USA
来源：
IEEE TRANSACTIONS ON PLASMA SCIENCE | 2010年 / 38卷 / 04期
关键词：
Complex plasma; dusty plasma; instabilities; plasma sheath; spectral analysis; vibrational analysis; SHEATH; CRYSTALS; ALIGNMENTS; MOLECULES;
D O I：
10.1109/TPS.2010.2040397
中图分类号：
O35 [流体力学]; O53 [等离子体物理学];
学科分类号：
070204 ; 080103 ; 080704 ;
摘要：
Vibrational modes and instabilities of a dust-particle pair in a terrestrial laboratory complex plasma are investigated by employing an analytical method whereby the plasma wake-field induced by an external electric field is modeled using an image-charge method. It is found that for both horizontally and vertically aligned dust-particle pairs in equilibrium, four normal modes exist. Variations of the confinement parameters cause a single type of instability in the horizontal pair and two types of instabilities in the vertical pair.
引用
收藏
页码：826 / 832
页数：7
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