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GR: Fachverband Gravitation und Relativitätstheorie

GR 2: Relastro I

GR 2.4: Vortrag

Dienstag, 1. April 2025, 14:55–15:15, ZHG008

Magnetic field configurations in Binary Neutron Star Mergers — •William Cook — Theoretisch-Physikalisches Institut, Friedrich-Schiller Universitat, Fröbelstieg 1, 07743 Jena

Magnetic field configurations inside isolated neutron stars are poorly constrained, and purely poloidal configurations are known to suffer from instabilities. We perform simulations of isolated neutron stars to investigate the development of these instabilities and the growth of toroidal field components. We then investigate the impact of the magnetic field configurations that develop in isolated stars in the context of binary neutron star mergers. Simulations are performed using the exascale-ready numerical relativity codes GR-Athena++ and AthenaK, the designs of which we also discuss

Keywords: Relativistic Astrophysics; General Relativistic Magnetohydrodynamics