Experimental measurement of neoclassical mobility in an annular Malmberg-Penning trap

被引：3
|
作者：
Espejo, J [1 ]
Quraishi, Q [1 ]
Robertson, S [1 ]
机构：
[1] Univ Colorado, Dept Phys, Boulder, CO 80309 USA
来源：
PHYSICAL REVIEW LETTERS | 2000年 / 84卷 / 24期
关键词：
D O I：
10.1103/PhysRevLett.84.5520
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An annular Malmberg-Penning trap confining a non-neutral plasma of electrons has been operated with an azimuthal magnetic field to create drifts: orthogonal to the magnetic flux surfaces. An applied electric field and collisions with added helium drive transport by electric mobility. The measured confinement times have the expected neoclassical magnetic-field dependence, are approximately 0.8 of the value based upon the neoclassical mobility, and differ From the classical value by more than a factor of 3 at the highest value of azimuthal Field.
引用
收藏
页码：5520 / 5523
页数：4
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