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astro-ph.HE2026
FUGUE: A New GPU-accelerated General Relativistic Magnetohydrodynamics Code with Weak-Field Multipole Self-Gravity and Quasi-Stationary Kerr Black Hole Evolution
Piotr Plonka, Agnieszka Janiuk
We present FUGUE, a new GPU-accelerated code for general relativistic magnetohydrodynamics (GRMHD). The code supports an optional quasi-stationary update of the Kerr black hole mas…
astro-ph.HE2026★ 1 cited
Three-dimensional GRMHD simulations of jet formation and propagation in self-gravitating collapsing stars
Piotr Płonka, Agnieszka Janiuk
We investigate collapsar models with and without self-gravity under identical initial conditions to directly compare the effects of self-gravity on jet properties, such as opening…
astro-ph.HE2025
Relativistic MHD simulations of merging and collapsing stars and effects on GRB transient
Agnieszka Janiuk, Gerardo Urrutia, Joseph Saji +1
Compact binary mergers and the collapse of massive stars can produce intense transients observable across high-energy wavelengths. Events such as gamma-ray bursts and kilonova emis…