Computer Science
Scientific paper
Jul 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aipc..382...24m&link_type=abstract
Proceedings of the eigth international solar wind conference: Solar wind eight. AIP Conference Proceedings, Volume 382, pp. 24-
Computer Science
Particle Emission, Solar Wind, Planetary Bow Shocks, Interplanetary Shocks
Scientific paper
Coronal mass ejections and flares may generate shock waves travelling through the solar corona from which some are able to enter into the interplanetary space. These shocks manifest themselves in solar and interplanetary type II radio bursts. Their nonthermal radio radiation indicates that electrons are accelerated to suprathermal and/or relativistic velocities at these shocks. As well known by extraterrestrial in-situ measurements supercritical, quasi-parallel, collisionless shocks are accompanied by large amplitude magneto-hydrodynamic waves in the upstream region. These waves act as strong magnetic mirrors, at which charged particles can be reflected and accelerated. Thus, thermal electrons gain energy due to multiple reflections between two large amplitude MHD waves and reach suprathermal and relativistic velocities. This mechanism of accelerating electrons is discussed for circumstances in the solar corona and the interplanetary space.
Claßen H. T.
Mann Gottfried
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