Trapping oscillations, discrete particle effects and kinetic theory of collisionless plasma

  • F. Doveil
  • , M. C. Firpo
  • , Y. Elskens
  • , D. Guyomarc'h
  • , M. Poleni
  • , P. Bertrand

Research output: Contribution to journalArticlepeer-review

Abstract

Effects induced by the finite number N of particles on the evolution of a monochromatic electrostatic perturbation in a collisionless plasma are investigated. For growth as well as damping of a single wave, discrete particle numerical simulations show a N-dependent long-time behavior which differs from the numerical errors incurred by Vlasovian approaches and follows from the pulsating separatrix crossing dynamics of individual particles.

Original languageEnglish
Pages (from-to)279-285
Number of pages7
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume284
Issue number6
DOIs
Publication statusPublished - 1 Jan 2001
Externally publishedYes

Keywords

  • Kinetic theory
  • Particle motions and dynamics
  • Plasma
  • Self-consistent field
  • Wave-particle interaction

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