Parametric excitation of the electrostatic whistler and Z mode by auroral kilometric radiation

Details Parametric excitation of the electrostatic whistler and Z mode by auroral kilometric radiation Parametric excitation of the electrostatic whistler and Z mode by auroral kilometric radiation

Jul 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993jgr....9811701h&link_type=abstract

Journal of Geophysical Research (ISSN 0148-0227), vol. 98, no. A7, p. 11,701-11,713.

Computer Science

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Auroral Zones, Electron Plasma, Electrostatic Waves, Kilometric Waves, Whistlers, Propagation Modes, Satellite Sounding, Two Dimensional Models

Scientific paper

By using a two-dimensional magnetized electron plasma simulation model it is found that an X mode which is presumed to be the dominant component of auroral kilometric radiation can parametrically decay into an electrostatic whistler and a Z mode. The electrostatic whistler grows to large amplitude, and the associated parallel electric field accelerates electrons to several kiloelectron volts. It is proposed that this mechanism is a possible origin of Z mode radiation, broadband electrostatic noise, and energetic parallel electron beams.

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