Physics
Scientific paper
Apr 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jgr....95.3893h&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 95, April 1, 1990, p. 3893-3906. Research supported by the University of
Physics
8
Auroras, Equatorial Atmosphere, Geomagnetism, Magnetospheric Instability, Whistlers, Cyclotron Frequency, Electron Precipitation, Field Aligned Currents, Magnetic Field Configurations, Magnetic Storms, Magnetosphere-Ionosphere Coupling
Scientific paper
The characteristics of incoherent whistler mode waves generated along the L = 5 geomagnetic field line are calculated, and the implications for the pulsating aurora, if these waves play an important role in the pulsation mechanism are considered. It is calculated that the largest wave growth is expected in the same location where pitch angle scattering is believed to occur during auroral pulsations. It is suggested that, if the loss cone driven whistler instability plays an important role in the pulsation mechanism of the pulsating aurora, the obtained calculations imply that pulsating whistler emissions in the frequency range of 50 to 150 Hz should be observed near the equator along auroral field lines.
Hawkins Gary J.
Huang Ling
Lee Clarence L.
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