Heating the Solar Atmosphere by the Self-Enhanced Thermal Waves Caused   by the Dynamo Processes
  We discuss a possible mechanism for heating the solar atmosphere by the ensemble of thermal waves, generated by the photospheric dynamo and propagating upwards with increasing magnitudes. These waves are self-sustained and amplified due to the specific dependence of the efficiency of heat release by Ohmic dissipation on the ratio of the collisional to gyro- frequencies, which in its turn is determined by the temperature profile formed in the wave. In the case of sufficiently strong driving, such a mechanism can increase the plasma temperature by a few times, i.e. it may be responsible for heating the chromosphere and the base of the transition region. 
Yurii V. Dumin (Institute of Terrestrial Magnetism, Ionosphere, and   Radio Wave Propagation (IZMIRAN), Russian Academy of S...
physics.plasm-ph astro-ph.SR physics.space-ph