Abstract During the AMPTE lithium releases in the solar wind intense electrostatic waves with frequencies between a few tens of Hz to several kHz were observed outside the diamagnetic cavity. The results of linear Vlasov theory have suggested that these waves may be generated through two types of instabilities. One is the ion-ion instability associated with the relative drift between the lithium ions and the solar wind protons, and the other is the ion-acoustic instability due to the relative drift between the electrons and the ions. In order to look at the non-linear behavior of the wave-particle interactions, and discern the effect of waves on the particles, full particle electrostatic simulations have been performed, and the results are presented here. It is shown that the ion-ion instability whose phase velocity is oblique to the solar wind velocity can cause considerable anisotropic “heating” of both the lithium ions and the solar wind protons.


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    Titel :

    Simulation and non-linear stage of the electrostatic waves observed during the AMPTE lithium release in the solar wind


    Beteiligte:
    Omidi, N. (Autor:in) / Ma, T.Z. (Autor:in) / Quest, K. (Autor:in) / Ashour-Abdalia, M. (Autor:in) / Gurnett, D. (Autor:in) / Sydora, R. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1988-01-01


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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