Oscillations of highly magnetized non-rotating neutron stars

Index

Abstract

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

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