Heating of the partially ionized solar chromosphere by waves in magnetic structures

Sergiy Shelyag, Elena Khomenko, A. De Vicente, Damien Przybylski

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18 Citations (Scopus)

Abstract

In this paper, we show a "proof of concept" of the heating mechanism of the solar chromosphere due to wave dissipation caused by the effects of partial ionization. Numerical modeling of non-linear wave propagation in a magnetic flux tube, embedded in the solar atmosphere, is performed by solving a system of single-fluid quasi-MHD equations, which take into account the ambipolar term from the generalized Ohm's law. It is shown that perturbations caused by magnetic waves can be effectively dissipated due to ambipolar diffusion. The energy input by this mechanism is continuous and shown to be more efficient than dissipation of static currents, ultimately leading to chromospheric temperature increase in magnetic structures.

Original languageEnglish
Article numberL11
Number of pages6
JournalThe Astrophysical Journal Letters
Volume819
Issue number1
DOIs
Publication statusPublished - 1 Mar 2016

Keywords

  • Sun: chromosphere
  • Sun: magnetic fields
  • Sun: oscillations

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