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Project

New theory and applications with the regularized Kappa-distribution

The main goal of the proposed project is the advancement of the non-equilibrium plasma theory and specific key applications by employing the Regularized Kappa Distribution (RKD) introduced recently  for a realistic interpretation of suprathermal particle populations and their macroscopic implications in various astrophysical systems. The new RKD concept motivates systematic explorations of its consequences in kinetic as well as fluid theory and corresponding studies of astrophysical plasma systems on small and large scales. With the proposed research we will intensify the successful cooperation between the two applicants that resulted in a number of joint publications during the last 13 years. It will enable a significant strengthening of the combination of the complementary expertise of the two groups in the field of the fluid modelling (primarily Leuven) and the kinetic modelling (primarily Bochum) of the solar wind. The proposed project aims to develop mutually consistent theoretical kinetic and fluid approaches based on the RKD, and to validate them by applying corresponding results to non-equilibrium plasmas in the heliosphere. This validation of the theory and the modeling will be made on the basis of various spacecraft data, particularly from the recently launched missions Parker Solar Probe (NASA) and Solar Orbiter (ESA).

Date:1 Jan 2023 →  Today
Keywords:non-equilibrium plasma theory, Regularized Kappa Distribution (RKD), fluid modelling
Disciplines:Space plasma physics and solar physics