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…
astro-ph.HE2025
Correlating Particle Acceleration Rates with Plasma Conditions in Colliding Wind Binaries
Gislaine B Cordeiro, Diego Falceta-Gonçalves, Grzegorz Kowal +1
Recent observations have revealed star-forming regions as possible origin sites of very-high-energy (TeV) cosmic rays, not associated with supernova remnants. Colliding-wind binari…
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…