Oblique ordinary mode propagation in the magnetospheric plasma

Details Oblique ordinary mode propagation in the magnetospheric plasma Oblique ordinary mode propagation in the magnetospheric plasma

Jan 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982jatp...44...31s&link_type=abstract

Journal of Atmospheric and Terrestrial Physics, vol. 44, Jan. 1982, p. 31-36.

Physics

4

Electromagnetic Radiation, High Temperature Plasmas, Magnetospheric Electron Density, Propagation Modes, Refractivity, Wave Propagation, Anisotropic Media, Approximation, Electron Energy, Electron Plasma, Gyrofrequency, Magnetospheric Electron Density, Plasma Frequencies

Scientific paper

An approximate formula is obtained for ordinary mode refractive index for the case of almost perpendicular propagation in a hot anisotropic plasma with a loss cone. It is pointed out that the influence of electron finite temperature on wave propagation is stronger when the wave frequency is close to the first two harmonics of the electron gyrofrequency. Ordinary mode energy focusing in the direction perpendicular to the magnetic field can occur only in those regions of the magnetosphere, where the electron gyrofrequency is close to the electron plasma frequency. Ordinary mode waves are usually trapped in the vicinity of the magnetospheric equator and so their energy can be concentrated in this region.

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