3 papers
physics.plasm-ph2026
Tearing Instability in Gyrotropic MHD: Effects of Equilibrium Pressure Anisotropy
Grzegorz Kowal, Gabriel L. Ferreira-Santos, Diego A. Falceta-Gonçalves
Weakly collisional plasmas are widespread in astrophysics and can sustain pressure anisotropy, yet most analytical tearing-mode scalings assume an isotropic equilibrium. We develop…
physics.plasm-ph2025
Unveiling a New -Scaling of the Tearing Instability in Weakly Collisional Plasmas
Gabriel L. Ferreira-Santos, Grzegorz Kowal, Diego A. Falceta-Gonçalves
We investigate the linear tearing instability in weakly collisional plasmas using a non-ideal gyrotropic-MHD framework, uncovering a previously unknown scaling relation for the ins…
astro-ph.SR2024
Quenching of Tearing Mode Instability by Transverse Magnetic Fields in Reconnection Current Sheets
Grzegorz Kowal, Diego A. Falceta-Gonçalves
The tearing mode instability is a key process for magnetic energy conversion in magnetohydrodynamics, once anti-parallel components are allowed to reconnect, leading to the formati…