Long term resistive GRMHD simulations of self-consistent rotating neutron stars with mixed magnetic fields
ORAL
Abstract
Highly magnetized neutron stars are promising candidates for peculiar astronomical phenomena, including fast radio bursts, soft gamma-ray repeaters and X-ray pulsars.
Detailed investigation of the dynamics of these systems is extremely challenging yet significant.
Despite much amount effort has been made in magnetohydrodynamic in the context of neutron stars, their quasi-equilibrium configurations are still largely unknown.
In this talk, we present the first long term full 3D resistive GRMHD simulations of self-consistent rotating neutron stars with mixed poloidal and toroidal fields.
In particular, we will discuss the dynamical instabilities took place at the beginning of the simulation, and discuss the possible quasi-equilibrium configurations obtained from the end of the simulations.
Moreover, we will also discuss the role played by resistivity in the dynamical evolution of neutron stars, and hence their effects onto the neutron star quasi-equilibrium configurations.
Detailed investigation of the dynamics of these systems is extremely challenging yet significant.
Despite much amount effort has been made in magnetohydrodynamic in the context of neutron stars, their quasi-equilibrium configurations are still largely unknown.
In this talk, we present the first long term full 3D resistive GRMHD simulations of self-consistent rotating neutron stars with mixed poloidal and toroidal fields.
In particular, we will discuss the dynamical instabilities took place at the beginning of the simulation, and discuss the possible quasi-equilibrium configurations obtained from the end of the simulations.
Moreover, we will also discuss the role played by resistivity in the dynamical evolution of neutron stars, and hence their effects onto the neutron star quasi-equilibrium configurations.
* P.C.K.C. acknowledges support from NSF Grant PHY-2020275 (Network for Neutrinos, Nuclear Astrophysics, and Symmetries (N3AS)).The simulations in this work have been performed on the third UNH supercomputer Marvin, also known as Plasma, which is supported by NSF/MRI program under grant number AGS-1919310.
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Presenters
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Patrick Chi-Kit Cheong
University of California, Berkeley
Authors
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Patrick Chi-Kit Cheong
University of California, Berkeley
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Antonios Tsokaros
University of Illinois at Urbana-Champain, University of Illinois at Urbana-Champai
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Milton Ruiz
Universitat de Valéncia
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Juno Chun Lung Chan
Niels Bohr Institute
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Koji Uryu
Univ of the Ryukyus