Grain charge in the bulk of gas discharges

被引：0
|
作者：
Khrapak, SA [1 ]
Ratynskaia, SV [1 ]
Thoma, MH [1 ]
Zobnin, AV [1 ]
Usachev, AD [1 ]
Yaroshenko, VV [1 ]
Kretschmer, M [1 ]
Höfner, H [1 ]
Morfill, GE [1 ]
Petrov, OF [1 ]
Fortov, VE [1 ]
机构：
[1] Max Planck Inst Extraterr Phys, D-85741 Garching, Germany
来源：
NEW VISTAS IN DUSTY PLASMAS | 2005年 / 799卷
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D O I：
暂无
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：
An experimental determination of grain charge in a bulk dc discharge plasma covering a wide range of neutral gas pressures is reported. The measurements are compared with molecular dynamics simulations of charging and with a simple analytical model accounting for ion-neutral collisions. All the considered evidence indicates that ion-neutral collisions represent a very important factor, which significantly affects (reduces) the grain charge under typical discharge conditions.
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页码：177 / 180
页数：4
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