Response of a Model Chromosphere to Shock-generated Conduction Fronts

Details Response of a Model Chromosphere to Shock-generated Conduction Fronts Response of a Model Chromosphere to Shock-generated Conduction Fronts

May 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011spd....42.1741b&link_type=abstract

American Astronomical Society, SPD meeting #42, #17.41; Bulletin of the American Astronomical Society, Vol. 43, 2011

Computer Science

Sound

Scientific paper

It is currently believed that solar flares result from magnetic reconnection leading to rapidly contracting loops. Plasma trapped on the contracting field lines is compressed and heated at two shocks propagating downward to the footpoints. These shocks, and heat fronts preceding them, drive hard X-ray emission and chromospheric evaporation. We study the response of the chromosphere using both time-dependent non-linear simulations as well as linear analysis. The linear model considers thermally diffusing acoustic pulses reflecting from a region of non-uniform sound speed. We compare results from these two models in the case of small-amplitude linear pulses.
This work is supported by grants from the NSF and DOE.

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