Physics
Scientific paper
Dec 1979
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979soph...64..333a&link_type=abstract
Solar Physics, vol. 64, Dec. 1979, p. 333-348.
Physics
12
Auroral Zones, Earth Magnetosphere, Magnetic Storms, Polar Substorms, Solar Flares, Solar Terrestrial Interactions, Chromosphere, Dynamo Theory, Electric Potential, Energetic Particles, Field Aligned Currents, Hydrogen Atoms, Magnetic Field Configurations, Particle Interactions, Solar Wind Velocity
Scientific paper
The paper considers a chain of processes leading to solar flares, under the assumption that basic plasma processes associated with magnetospheric substorms and solar flares are similar. Thus it is also assumed that a flare ribbon is produced by the impact of field aligned current carrying electrons on the chromosphere. The processes considered include the dynamo process in the photospheric level in the vicinity of bipolar sunspots, the formation of a sheet current in the lower coronal level, the interruption of the sheet current, the subsequent diversion of it to the chromosphere, the development of a potential drop along magnetic field lines, the acceleration of current-carrying electrons and their impact on the chromosphere, producing a pair of flare ribbons.
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