Deformation of neutron stars due to poloidal magnetic fields | Zendy

Kota Yanase | Zendy; N. Yoshinaga | Zendy; E. Nakano | Zendy; Chinatsu Watanabe | Zendy

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Deformation of neutron stars due to poloidal magnetic fields

Author(s) -

Kota Yanase,

N. Yoshinaga,

E. Nakano,

Chinatsu Watanabe

Publication year - 2019

Publication title -

progress of theoretical and experimental physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.887

H-Index - 53

ISSN - 2050-3911

DOI - 10.1093/ptep/ptz074

Subject(s) - physics , neutron star , magnetic field , axial symmetry , radius , deformation (meteorology) , anisotropy , stars , neutron , astrophysics , classical mechanics , nuclear physics , quantum mechanics , computer security , meteorology , computer science

The mass–radius (MR) relation of deformed neutron stars in the axially symmetric poloidal magnetic field is calculated. The MR relation is obtained by solving the Hartle equations, whereas the one for spherical stars is obtained by the Tolman–Oppenheimer–Volkoff equations. The anisotropic effects of the poloidal magnetic fields are found to be non-negligible for a strong magnetic field more than $3\times10^{18}$ G at the center of a neutron star.

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