Computer simulation of auroral kilometric radiation

Details Computer simulation of auroral kilometric radiation Computer simulation of auroral kilometric radiation

Jun 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983georl..10..483w&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 10, June 1983, p. 483-486.

Physics

29

Auroral Zones, Computerized Simulation, Kilometric Waves, Wave Generation, Boundary Value Problems, Electron Energy, Hot Electrons, Relativistic Particles, Temporal Distribution

Scientific paper

An investigation is carried out of the linear amplification and nonlinear saturation of electromagnetic waves associated with two components of electrons consisting of a cold Maxwellian background and a weakly relativistic population of electrons possessing a loss-cone distribution. The goal is to understand the mechanism responsible for the production of auroral kilometric radiation (AKR). A relativistic 1-2/2 dimensional electromagnetic particle simulation code is used in studying an initial value problem modeling the AKR source region. The simulation makes it possible to follow the growth of all modes of radiation, including the ordinary mode (O-mode), slow extraordinary mode (Z-mode), whistler mode and fast extraordinary mode (X-mode), past the point of saturation.

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