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

页码：5520 / 5523

页数：4

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