Physics – Plasma Physics
Scientific paper
Dec 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998jgr...10329493b&link_type=abstract
Journal of Geophysical Research, Volume 103, Issue A12, p. 29493-29504
Physics
Plasma Physics
5
Magnetospheric Physics: Plasma Waves And Instabilities, Space Plasma Physics: Nonlinear Phenomena, Space Plasma Physics: Numerical Simulation Studies, Space Plasma Physics: Wave/Particle Interactions
Scientific paper
Particle simulations of perpendicular (with respect to the ambient magnetic field) propagation in homogeneous time-varying nongyrotropic magnetoplasmas show that the introduction of gyrophase organization in the (electron or ion) particle populations of otherwise stable media can bring about growth of (electron or ion) electrostatic cyclotron harmonic waves and destabilize the extraordinary mode. The kinetic code simulations demonstrate the occurrence of perpendicular instabilities for various types of nongyrotropic distributions, including those observed for heavy ions in the space shuttle environment, and show that gyrophase diffusion accompanies the evolution toward saturation.
Brinca Armando L.
Matsumoto Hiroshi
Omura Yoshiharu
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