Collisional heating by nonthermal electrons in a tapered magnetic loop

Details Collisional heating by nonthermal electrons in a tapered magnetic loop Collisional heating by nonthermal electrons in a tapered magnetic loop

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987soph..107...83c&link_type=abstract

Solar Physics (ISSN 0038-0938), vol. 107, no. 1, 1987, p. 83-94.

Physics

3

Coronal Loops, Electron Cyclotron Heating, Magnetic Field Configurations, Solar Electrons, Solar Flares, Bremsstrahlung, Electron Beams, Solar Atmosphere

Scientific paper

The behavior of nonthermal electrons ejected into a tapered magnetic loop, under the action of both Coulomb collisional and magnetic field gradient forces is studied. An approximate analytic formula for the heating rate as a function of distance along the loop is developed, and found to be in good agreement with exact numerical solutions of the relevant equations. Such a formula is useful as a source term in many situations, such as hydrodynamic simulations of atmospheric response to flare energy input.

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