Collisional energy transfer in two-component plasmas

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

    Research output: Contribution to journalArticlepeer-review

    13 Citations (Scopus)


    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.

    Original languageEnglish
    Article number092107
    JournalPhysics of Plasmas
    Issue number9
    Publication statusPublished - 2008

    All Science Journal Classification (ASJC) codes

    • Condensed Matter Physics


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