Laboratory Study of Hall Reconnection in Partially Ionized Plasmas

被引：15
|
作者：
Lawrence, Eric E. [1 ]
Ji, Hantao [1 ]
Yamada, Masaaki [1 ]
Yoo, Jongsoo [1 ]
机构：
[1] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA
来源：
PHYSICAL REVIEW LETTERS | 2013年 / 110卷 / 01期
关键词：
COLLISIONLESS MAGNETIC RECONNECTION; SHEETS; WAVES; GASES;
D O I：
10.1103/PhysRevLett.110.015001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The effects of partial ionization (n(i)/n(n) less than or similar to 1%) on magnetic reconnection in the Hall regime have been studied systematically in the Magnetic Reconnection Experiment. It is shown that, when neutrals are added, the Hall quadrupole field pattern and thus electron flow are unchanged while the ion outflow speed is reduced due to ion-neutral drag. However, in contrast to theoretical predictions, the ion diffusion layer width does not change appreciably. Therefore, the total ion outflow flux and the normalized reconnection rate are reduced. DOI: 10.1103/PhysRevLett.110.015001
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页数：5
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