磁場中プラズマの横波

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書誌事項

タイトル別名
  • Transverse Plasma Waves in a Magnetic Field
  • ジバ チュウ プラズマ ノ ヨコナミ

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抄録

A dispersion relation for transverse plasma waves propagating along a uiform external magnetic field is obtained in the form of an algebric equation, for an anisotropic velocity distribution. <BR>[{(ω/ωp) 2- (kc/ωp) 2} · {ω/ωp±Ω/ωp} -ω/ωp] × [ω/ωp±Ω/ωp] =1/2 (ο⊥/c) 2 (kc/ωp) 2, <BR>where ωp is the plasma frequency, Ω the cyclotron frequency, and ο2⊥=2kT⊥/m.<BR>When the range of vainable kc/ωp and parameters σ⊥/ c, , Ω/ωp is taken such that kc/ωp = 0, 0.5, …, 9.5, 10, <BR>σ⊥/c = 2n×10-1; n= 0, -1, …, -7, -8, -∞, <BR>Ω/ωp= 2n; n=4, 3, …, 0, …, -7, -8, -∞<BR>the dispersion relation is solved by the use of the digital computer (HIPAC-103). For the right-handed circularly polarized waves, the dispersion curves are described and the stable region of transverse waves are determined for several parameters. The dispersion curves consist of two modes of electromagnetic waves, and of modes of growing and damped waves which oscillate in cyclotron frequency. In the absence of the external magnetic field, the growing waves with cyclotron frequency become spontaneously growing waves which was obtained by E.S. Weibel.

収録刊行物

  • 核融合研究

    核融合研究 12 (6), 564-572, 1964

    社団法人 プラズマ・核融合学会

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