Magnetohydrodynamic parametric instabilities of parall propagating incoherent Alfvén waves

Yasuhiro Nariyuki, Tohru Hada

    Research output: Contribution to journalArticlepeer-review

    8 Citations (Scopus)


    Numerical experiments for parametric instabilities of incoherent Alfvén waves in the context of one dimensional Hall-MHD equation sets are studied. The reason why the decay instability of incoherent waves can be explained in terms of that of the coherent wave is understood through analysis on nonlinearly driven finite amplitude density fluctuations. Numerical results suggest the importance of modulational instabilities of left-hand polarized Alfvén waves.

    Original languageEnglish
    Pages (from-to)e13-e16
    Journalearth, planets and space
    Issue number4
    Publication statusPublished - Jan 1 2007

    All Science Journal Classification (ASJC) codes

    • Geology
    • Space and Planetary Science


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