This paper investigates pulsation modes of non-rotating neutron stars with strong purely toroidal magnetic fields (10<sup>15-17</sup> G) using 2D axisymmetric general-relativistic magnetohydrodynamics simulations. The study reveals that stellar oscillations are unaffected by magnetization until the magnetic-to-binding energy ratio exceeds 10%, at which point pulsation mode frequencies are significantly suppressed. This suppression is attributed to the reduction in stellar compactness caused by the extreme magnetic fields' deformation of the neutron stars.
Publisher
Communications Physics
Published On
Dec 24, 2022
Authors
Man Yin Leung, Anson Ka Long Yip, Patrick Chi-Kit Cheong, Tjonnie Guang Feng Li
Tags
neutron stars
magnetic fields
pulsation modes
general relativity
magnetohydrodynamics
stellar oscillations
compactness
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