Physics – Condensed Matter
Scientific paper
Mar 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.213..233d&link_type=abstract
Astrophysics and Space Science, vol. 213, no. 2, p. 233-246
Physics
Condensed Matter
2
Chromosphere, Condensed Matter Physics, Solar Atmosphere, Solar Flares, Solar Simulation, Asymmetry, Line Spectra, Phase Transformations, Pressure Pulses
Scientific paper
We simulate dynamically the downward propagation of the chromospheric condensation, which originates following the chromospheric evaporation during solar flares. Our attention is concentrated on the lower part of the atmosphere. The top of the chromosphere (base of the transition region) is regarded as the top boundary. The condensation is mimicked by assuming an impulsive pressure increase at the top boundary. Using such a method, we compute in detail the evolution process of a condensation. The results show that the condensation can penetrate into the deeper atmosphere, though it becomes very weak at the later phase. Moreover, we also discuss the possibility that the mass motions in the condensation may cause the asymmetries of some spectral lines as observations have indicated.
Ding Ming-De Ding
Fang Chen
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