Vlasov-Maxwell simulations of high-frequency longitudinal waves in a magnetized plasma

Francesco Califano, Maurizio Lontano

Research output: Contribution to journalArticle

Abstract

The plasma response to the injection of a propagating purely electrostatic wave of finite amplitude is investigated by means of a kinetic code which solves the Vlasov equations for electrons and ions in the three-dimensional (one spatial and two in velocity, 1D2V) phase space, self-consistently coupled to the Maxwell equations. The plasma is uniformly magnetized, and the wave frequency close to the cold upper-hybrid resonance [Formula presented] is considered. Coherent structures are formed in the phase space that would be completely missed by a hydrodynamic analysis. In particular, in the early stage of the interaction, the initially unperturbed equilibrium electron distribution is strongly affected as a whole by the pump, taking a ringlike shape in the velocity plane transverse to the magnetic field. Then, a sort of instability occurs, leading to the broadening and flattening of the electron distribution. © 2003 The American Physical Society.
Original languageEnglish
Pages (from-to)5 -
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume67
Issue number5
DOIs
Publication statusPublished - 2003
Externally publishedYes

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All Science Journal Classification (ASJC) codes

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

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