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gr-qc2025
Beyond GRMHD: A Robust Numerical Scheme for Extended, Non-Ideal General Relativistic Multifluid Simulations
Jonathan Gorard, James Juno, Ammar Hakim
The equations of general relativistic magnetohydrodynamics (GRMHD) have become the standard mathematical framework for modeling high-energy plasmas in curved spacetimes. However, t…
gr-qc2025
Hydrodynamic and Electromagnetic Discrepancies between Neutron Star and Black Hole Spacetimes
Jonathan Gorard, James Juno, Ammar Hakim
The exterior spacetime geometry surrounding an uncharged, spinning black hole in general relativity depends only upon its mass and spin. However, the exterior geometry surrounding…