Vlasov-Maxwell kinetic simulations of radio-frequency-driven ion flows in magnetized plasmas

Chiara Marchetto, Francesco Califano, Maurizio Lontano

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The generation of a coherent ion flow due to the injection in a plasma of a purely electrostatic wave of finite amplitude, propagating at right angle with the ambient uniform magnetic field, is investigated making use of a kinetic code which solves the fully nonlinear Vlasov equations for electrons and ions, coupled with the Maxwell equations, in one spatial and two velocity dimensions. A uniformly magnetized slab plasma is considered. The wave frequency is assumed in the range of the fourth harmonic of the ion cyclotron frequency, and the wave vector is chosen in order to model the propagation of an ion Bernstein wave. The computation of the first-order moment of the ion distribution function shows that indeed a quasistationary transverse average ion drift velocity is produced. The time evolution of the ion distribution function undergoes a “resonant” interaction of Cherenkov type, even if the plasma ions are magnetized [Formula presented] During the wave-plasma interaction, the electron distribution function remains Gaussian-like, while increasing its energy content. © 2003 The American Physical Society.
Original languageEnglish
Pages (from-to)9 -
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Issue number2
Publication statusPublished - 2003
Externally publishedYes


All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

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