3 papers
astro-ph.HE2026
Hybrid Simulations of Supersonic Shear Flows: II) Cosmic Ray Viscosity
Naixin Liang, Damiano Caprioli
In this second paper in a series dedicated to characterizing shear layers via 2D hybrid (kinetic ions -- fluid electrons) simulations, we study the dynamical role of nonthermal par…
astro-ph.HE2026
Beyond the Diffusion Coefficient: Propagators and Memory in Cosmic Ray Transport
Naixin Liang, S. Peng Oh
Cosmic ray (CR) transport is usually modeled with a single diffusion coefficient, but this description captures only the growth of the variance and not the full transport process.…
astro-ph.HE2025
Hybrid Simulations of Supersonic Shear Flows: I) Particle Acceleration
Naixin Liang, Damiano Caprioli
Supersonic flows are ubiquitous in warm and cool media; their dissipation leads to heating, generation of nonthermal particles, and amplification of background magnetic fields. We…