Two Langmuir Wave Parametric Decay Instability Driven and Trapped by a Self-Trapped Electromagnetic Pump

• Ikemura Tsutomu

  Department of General Education, Hannan University Department of Physics, Kyoto University

• Mima Kunioki

  Institute of Laser Engineering, Osaka University

書誌事項

タイトル別名

• Two Langmuir Wave Parametric Decay Inst

抄録

The conditions under which an incident, x-z polarized strong pump electromagnetic wave propagating in the z-direction is self-trapped as an equilibrium filament in an initially uniform plasma are found for a Gaussian pump profile as exp [−(x−x_m)²⁄2d_x²]. Coupled equations describing the parametric coupling of two electron Langmuir waves due to the spatially aperiodic inhomogeneity of the self-trapped pump filament amplitude are then derived. Moreover, an analysis of the eigenvalue problem arising from these equations demonstrates a possibility that decay Langmuir waves can be trapped as temporally growing waves in a density cavity created by the inhomogeneous pump when the pump amplitude exceeds the threshold rather less than that for the decay instability of Jackson-type.

収録刊行物

• Ｊｏｕｒｎａｌ　ｏｆ　ｔｈｅ　Ｐｈｙｓｉｃａｌ　Ｓｏｃｉｅｔｙ　ｏｆ　Ｊａｐａｎ

  Ｊｏｕｒｎａｌ　ｏｆ　ｔｈｅ　Ｐｈｙｓｉｃａｌ　Ｓｏｃｉｅｔｙ　ｏｆ　Ｊａｐａｎ 49 (1), 356-367, 1980

  一般社団法人 日本物理学会

キーワード

• General Physics and Astronomy

詳細情報

• CRID: 1390282679172141056
• NII論文ID: 110001965096
• NII論文ID: 130003896473
• NII論文ID: 210000089010
• NII書誌ID: AA00704814
• DOI: 10.1143/jpsj.49.356
• BIBCODE: 1980JPSJ...49..356I
• COI: 1:CAS:528:DyaL3cXltVGmtr8%3D
• ISSN: 13474073
• ISSN: 00319015
• NDL書誌ID: 2185321
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I2185321
• Web Site: https://journals.jps.jp/doi/pdf/10.1143/JPSJ.49.356
• 本文言語コード: en
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