Test particle transport due to long range interactions

被引：46

作者：

Anderegg, F ^{[1
]}

Huang, XP ^{[1
]}

Driscoll, CF ^{[1
]}

Hollmann, EM ^{[1
]}

ONeil, TM ^{[1
]}

Dubin, DHE ^{[1
]}

机构：

[1] UNIV CALIF SAN DIEGO,DEPT PHYS,LA JOLLA,CA 92093

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 78卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.78.2128

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Enhanced cross-field transport of test particles is observed in a quiescent, steady-state pure ion plasma. The measured particle diffusion is about ten times faster than predicted by classical collisional theory over a wide range of densities, temperatures, and magnetic fields, whereas the measured velocity-space isotropization agrees closely with collisional theory. This enhanced diffusion scales essentially as B-2 and is probably due to long-range ''E x B drift'' collisions, with interaction distances rho in the range r(c) < rho < lambda(D).

引用

页码：2128 / 2131

页数：4

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