A drift of Langmuir waves in a magnetized inhomogeneous plasma

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Abstract

The concept of informativeness of nonlinear plasma physics scenarios is explained. Natural ideas of developing highly informative models of plasma kinetics are spelled out. They are applied to develop a formula that governs the drift of long Langmuir waves in spatial positions and wave vectors in a magnetized plasma due to the plasma inhomogeneity. Together with previous findings (Erofeev, Phys. Plasmas, vol. 22, 2015, 092302), the formula evidences the need for an intelligent generalization of the notion of wave energy density from usual homogeneous plasmas to inhomogeneous ones.

Original languageEnglish
Article number905850104
Number of pages22
JournalJournal of Plasma Physics
Volume85
Issue number1
DOIs
Publication statusPublished - 11 Jan 2019

Keywords

  • fusion plasma
  • plasma nonlinear phenomena
  • plasma waves
  • DERIVATION
  • IMPOSSIBILITY
  • MODULATIONAL INSTABILITY
  • TURBULENCE
  • EQUATION
  • SCATTERING

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