Physics – Plasma Physics
Scientific paper
Aug 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987georl..14..868t&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 14, Aug. 1987, p. 868-871. Research supported by the Toray Science Foundatio
Physics
Plasma Physics
13
Kinetic Equations, Magnetohydrodynamic Waves, Plasma Physics, Plasma-Particle Interactions, Cosmic Plasma, Electron Acceleration, Landau Damping, Solar Terrestrial Interactions
Scientific paper
Two types of simulations of the kinetic Alfven wave are presented using a macroscale particle simulation code (Tanaka and Sato, 1986) which enables individual particle dynamics to be followed in the MHD scales. In this code, low frequency electromagnetic fields are solved by eliminating high frequency oscillations such as the light modes, and the scalar potential electric field is solved by eliminating Lagrangian oscillations. The dependences of the frequency and the Landau damping on the perpendicular wavenumber were studied, and good agreement was found between simulation and theoretical predictions. Some fundamental nonlinear interactions of the kinetic Alfven wave with the particles (parallel acceleration of the electrons) were also noted.
Hasegawa Akira
Sato Tetsuya
Tanaka Motohiko
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