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Title: Note on quantitatively correct simulations of the kinetic beam-plasma instability

A large number of model particles are shown necessary for quantitatively correct simulations of the kinetic beam-plasma instability with the clouds-in-cells method. The required number of particles scales inversely with the expected growth rate, as only a narrow interval of beam velocities is resonant with the wave in the kinetic regime.
Authors:
;  [1] ;  [2] ; ; ;  [3]
  1. Budker Institute of Nuclear Physics SB RAS, 630090 Novosibirsk (Russian Federation)
  2. (Russian Federation)
  3. Institute of Computational Mathematics and Mathematical Geophysics SB RAS, 630090 Novosibirsk (Russian Federation)
Publication Date:
OSTI Identifier:
22408166
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 22; Journal Issue: 2; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; BEAMS; KINETICS; PARTICLES; PLASMA INSTABILITY; SIMULATION; VELOCITY