Fundamental solution of diffusion equation for Kappa gas: Diffusion length for suprathermal electrons in solar wind

MH Benetti, FEM Silveira, IL Caldas - Physical Review E, 2023 - APS
A recent numerical treatment of data obtained by the Parker Solar Probe spacecraft
describes the electron concentration in solar wind as a function of the heliocentric distance …

Suprathermal corrections on galactic cosmic rays driven magnetohydrodynamic waves and gravitational instability in astrophysical plasmas

P Boro, RP Prajapati - Physics of Fluids, 2024 - pubs.aip.org
The interaction of two populations of highly energetic cosmic rays (CRs) and suprathermal
kappa gas in the astrophysical systems manifests exciting features of low-frequency …

[HTML][HTML] Map of suprathermal onto nonextensive parameters describing Langmuir waves

FEM Silveira, MH Benetti - Fundamental Plasma Physics, 2023 - Elsevier
We propose a polytropic-like index that depends on the concentration and number of
degrees of freedom of a gas of charged particles following a nonextensive distribution. An …