Computer Science – Sound
Scientific paper
Sep 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988jgr....93.9765h&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 93, Sept. 1, 1988, p. 9765-9776. Navy-supported research.
Computer Science
Sound
100
Auroral Zones, Birkeland Currents, Energetic Particles, Field Aligned Currents, Geomagnetism, Particle Motion, Vertical Motion, Electric Fields, High Energy Electrons, Ion Motion, Lines Of Force, Satellite Sounding
Scientific paper
This paper presents Viking observations of energetic electrons and ions which move upward along the magnetic field lines with energies of the same order of magnitude. The field-aligned particles are associated with a strong broadband low-frequency turbulence in the electric field and with downward Birkeland currents. It is suggested that both ions and electrons are accelerated by a time-varying field-aligned electric field component. The downward field component accelerating the electrons upward is experienced as quasi-static by the electrons while they remain in the height-limited acceleration region. For the ions, the fluctuating field is a wave field which has only a small translational effect on them.
Block L.
Hultqvist Bengt
Lindqvist Per-Arne
Lundin Richard
Stasiewicz Krzysztof
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