Collisional energy transfer in two-component plasmas

J. Vranjes, M. Kono, S. Poedts, M. Y. Tanaka

    研究成果: Contribution to journalArticle査読

    13 被引用数 (Scopus)

    抄録

    The friction in plasmas consisting of two species with different temperatures is discussed together with the consequent energy transfer. It is shown that the friction between the two species has no effect on the ion acoustic mode in a quasineutral plasma. Using the Poisson equation instead of the quasineutrality reveals the possibility for an instability driven by the collisional energy transfer. However, the different starting temperatures of the two species imply an evolving background. It is shown that the relaxation time of the background electron-ion plasma is, in fact, always shorter than the growth rate time. Therefore the instability is unlikely to develop. The results obtained here should contribute to the definite clarification of some contradictory results obtained in the past.

    本文言語英語
    論文番号092107
    ジャーナルPhysics of Plasmas
    15
    9
    DOI
    出版ステータス出版済み - 2008

    All Science Journal Classification (ASJC) codes

    • 凝縮系物理学

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