Determination of the ion-drag force in a complex plasma -: art. no. 093503

被引：40

作者：

Yaroshenko, V ^{[1
]}

Ratynskaia, S

Khrapak, S

Thoma, MH

Kretschmer, M

Höfner, H

Morfill, GE

Zobnin, A

Usachev, A

Petrov, O

Fortov, V

机构：

[1] Max Planck Inst Extraterr Phys, D-85741 Garching, Germany

[2] Russian Acad Sci, Inst High Energy Dens, Moscow 125412, Russia

来源：

PHYSICS OF PLASMAS | 2005年 / 12卷 / 09期

关键词：

D O I：

10.1063/1.1947027

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：

The ion-drag force acting on dust particles in the positive column of a dc discharge is measured in the pressure range of 20-120 Pa. The force is obtained by a method which does not require a priori knowledge of the particle charge, but uses the charge gradient determined from the same experiment. The method depends only on two experimentally determined quantities: the particle drift velocity and the electric field. The comparison of experimental results with theoretical models is presented and discussed. (C) 2005 American Institute of Physics.

引用

页码：1 / 7

页数：7

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