The plasma state in the surroundings of a multi-cathode-spot vacuum arc

被引：8

作者：

Kelly, H ^{[1
]}

Marquez, A ^{[1
]}

Minotti, F ^{[1
]}

Fontan, CF ^{[1
]}

机构：

[1] Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Fis, CONICET,Inst Fis Plasma, RA-1428 Buenos Aires, DF, Argentina

来源：

JOURNAL OF PHYSICS D-APPLIED PHYSICS | 1998年 / 31卷 / 14期

关键词：

D O I：

10.1088/0022-3727/31/14/018

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A stationary, two-fluid model with spherical symmetry to describe the region surrounding the electrodes of a multi-cathode-spot vacuum are is presented. For typical values of are parameters, there is a weak coupling between ions and electrons and an analytical approximation for the physical quantities of the plasma can be developed. An important feature of this model is the prediction of a voltage profile outside the electrodes which causes an extra acceleration of the ions emerging from the interelectrode plasma.

引用

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页码：1737 / 1741

页数：5

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