Tearing versus thermal instability in coronal current sheets
Date:
Contributed talk at the National Astronomy Meeting 2024 (UK Solar Physics Open Session), Kingston upon Hull, United Kingdom.
Abstract. Many events in the solar corona depend heavily on the fundamental process of magnetic reconnection, which is regularly triggered by a tearing instability in sheared magnetic topologies. However, the dynamics in the corona are also strongly tied to non-adiabatic processes: radiative energy losses, heating, and thermal conduction. Under coronal conditions, these processes lead to an unstable thermal continuum, and a competition between tearing and thermal instability develops in coronal current sheets. We investigate the evolution of such current sheets, both linearly using the Legolas code as well as non-linearly by initiating non-linear simulations with linear solutions in MPI-AMRVAC.