Mathematics – Logic
Scientific paper
Apr 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984jgr....89.2381s&link_type=abstract
Journal of Geophysical Research (ISSN 0148-0227), vol. 89, April 1, 1984, p. 2381-2384. Research supported by the Nuffield Found
Mathematics
Logic
15
Bow Waves, Earth Magnetosphere, Ion Beams, Shock Waves, Solar Wind, Electric Fields, Leakage
Scientific paper
It is demonstrated that the de Hoffman-Teller frame, the transformation for which removes the motional V x B electric field while keeping a planar shock at rest, is a logical choice for data analysis. Previous comparisons between local planar theories and observations of backstreaming ion beam velocities are streamlined and related directly to the one physically meaningful angle, between the magnetic field and shock normal, by transforming the data into this frame. The limited data set suggests that both reflection processes and leakage ones may be operating at different times. A larger survey employing the techniques described here could provide confirmation of the tentative conclusions.
Burgess David
Schwartz Steve J.
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