Nonlinear dissipation of circularly polarized Alfvén waves due to the beam-induced obliquely propagating waves

Y. Nariyuki, Tohru Hada, K. Tsubouchi

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    11 Citations (Scopus)

    Abstract

    In the present study, the dissipation processes of circularly polarized Alfvén waves in solar wind plasmas including beam components are numerically discussed by using a 2-D hybrid simulation code. Numerical results suggest that the parent Alfvén waves are rapidly dissipated due to the presence of the beam-induced obliquely propagating waves, such as kinetic Alfvén waves. The nonlinear wave-wave coupling is directly evaluated by using the induction equation for the parent wave. It is also observed both in the 1-D and 2-D simulations that the presence of large amplitude Alfvén waves strongly suppresses the beam instabilities.

    Original languageEnglish
    Article number082317
    JournalPhysics of Plasmas
    Volume19
    Issue number8
    DOIs
    Publication statusPublished - Aug 1 2012

    All Science Journal Classification (ASJC) codes

    • Condensed Matter Physics

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