http://arxiv.org/abs/2305.04849
Neutron stars might have multipole magnetic fields as implied by recent observations of pulsars. The presence of the quadrupole field might have an effect on the interaction between the disc and the neutron star depending on the location of the inner radius of the disc and the strength of the quadrupole field. For a quadrudipole stellar field, we calculate the toroidal field generated within the disc, the magnetospheric radius and the torque exerted onto the star. Also, we deduce the effect of the rotation of the star on the magnetospheric radius which is relevant even for pure dipole magnetic fields.
S. Çıkıntoğlu
Tue, 9 May 23
18/88
Comments: 7 pages, 4 figures, submitted to MNRAS
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