Waveguide propagation of electromagnetic waves in high-density ducts oriented along the geomagnetic field in the near-equatorial region of the magnetosphere

Details Waveguide propagation of electromagnetic waves in high-density ducts oriented along the geomagnetic field in the near-equatorial region of the magnetosphere Waveguide propagation of electromagnetic waves in high-density ducts oriented along the geomagnetic field in the near-equatorial region of the magnetosphere

Feb 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ge%26ae..28..114k&link_type=abstract

Geomagnetizm i Aeronomiia (ISSN 0016-7940), vol. 28, Jan.-Feb. 1988, p. 114-120. In Russian.

Physics

Earth Magnetosphere, Electromagnetic Wave Transmission, Equatorial Atmosphere, Plasma Density, Waveguides, Maxwell Equation, Space Plasmas, Wave Attenuation, Wentzel-Kramer-Brillouin Method

Scientific paper

The waveguide propagation of electromagnetic waves in high-plasma-density axisymmetric ducts oriented along a constant external magnetic field is examined in the framework of the WKB approximation for frequencies much higher than the lower hybrid frequency. Tunnel effects leading to trapped-wave damping are taken into account, and conditions for waveguide propagation and the logarithmic damping decrement are determined. The field is constructed using axisymmetric WKB solutions of the Maxwell equations.

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