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astro-ph.HE2025★ 2 cited
Energy flow and radiation efficiency in radiative GRMHD simulations of neutron star ultraluminous X-ray sources
Fatemeh Kayanikhoo, Włodek Kluźniak, David Abarca +1
We investigate numerically the energy flow and radiation efficiency of accreting neutron stars as potential ultraluminous X-ray sources (ULXs). We perform ten simulations {in radia…
astro-ph.HE2025★ 7 cited
ULX collimation by outflows in moderately magnetized neutron stars
Fatemeh Kayanikhoo, Włodek Kluźniak, Miljenko Čemeljić
We perform radiative magnetohydrodynamics simulations in general relativity (GRRMHD) of super-Eddington disk accretion onto neutron stars endowed with a magnetic dipole correspondi…