Ion acceleration in a high-current cathode plasma jet expanding in vacuum

被引：0
|
作者：
V. I. Krasov
I. A. Krinberg
V. L. Paperny
Yu. V. Korobkin
I. V. Romanov
A. A. Rupasov
A. S. Shikanov
机构：
[1] Irkutsk State University,Lebedev Institute of Physics
[2] Russian Academy of Sciences,undefined
来源：
Technical Physics Letters | 2007年 / 33卷
关键词：
52.80.Vp;
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摘要：
Ion acceleration in a high-current cathode plasma jet of a low-voltage vacuum spark discharge has been studied. It is established that an increase in the discharge current amplitude leads to a growth in both the density and velocity of the ion flux emitted from the discharge gap. The dependence of the ion velocity on the discharge current amplitude in the range below 10 kA is well described by a simple hydrodynamic model of the current-carrying jet with allowance for plasma compression by the intrinsic magnetic field of the discharge current. For discharge current amplitudes exceeding 10 kA, the ion velocity ceases to grow and exhibits a considerable scatter of values measured in different shots.
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页码：941 / 944
页数：3
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