Parametric Excitation Due to Density Gradient in a Plasma
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- Takeo Akimasa
- Department of Physics, Faculty of Science, University of Tokyo
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抄録
The existence of a mechanism for parametric excitation in a plasma located in an oscillating electric field is shown. The parametric excitation recently predicted by Silin occurs owing to coupling of motions of the electrons with those of the ions; if the motions of the ions are neglected, it cannot occur in an uniform plasma. The type of parametric excitation pointed out in the present paper is based on the gradient of the density. Motions of the electrons interact with themselves if the gradient of the density exists; thereby parametric excitation occurs even if motions of the ions are neglected. In actual plasmas the mechanism of excitation based on the density gradient prevails over that predicted by Silin, because the electron-ion mass ratio is very small.
収録刊行物
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- Journal of the Physical Society of Japan
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Journal of the Physical Society of Japan 22 (5), 1282-1283, 1967
一般社団法人 日本物理学会
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詳細情報 詳細情報について
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- CRID
- 1390282679168693760
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- NII論文ID
- 110001953054
- 210000079673
- 130003891616
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- NII書誌ID
- AA00704814
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- BIBCODE
- 1967JPSJ...22.1282T
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- COI
- 1:CAS:528:DyaF2sXktlOhu7k%3D
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- ISSN
- 13474073
- 00319015
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- NDL書誌ID
- 8501312
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可