Electric sheath between a metal surface and a magnetized plasma
作者:
U. Daybelge,
B. Bein,
期刊:
Physics of Fluids(00319171)
(AIP Available online 1981)
卷期:
Volume 24,
issue 6
页码: 1190-1194
ISSN:0031-9171
年代: 1981
DOI:10.1063/1.863508
出版商: AIP
数据来源: AIP
摘要:
A collisionless electric sheath model between a metal surface and a magnetized plasma is given. The magnetic field is assumed to be uniform and has a small angle of incidence with respect to the surface. It is shown that the ambipolar wall potential is essentially independent of the angle of incidence. The finite Larmor radius and secondary electron effects on the wall potential are derived. The sheath thickness is shown to depend strongly on the surface absorption characteristics.
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