A Study of Neutron Star Structure in Strong Magnetic Fields that includes Anomalous Magnetic Moments

We study the effect of strong magnetic fields on the structure of neutronstar. We find that if the interior field is on the same order as the surface fieldcurrently observed, then the influences of the field on the star's mass and radius arenegligible; if the field is as large as that estimated from the scalar virial theorem,then considerable effects will be induced. The maximum mass of the star will beincreased substantially while the central density is greatly reduced. The radius ofa magnetic star can be larger by about 10% ～ 20% than a nonmagnetic star of thesame mass.

作 者： Guang-Jun Mao Akira Iwamoto Zhu-Xia Li   作者單位： Guang-Jun Mao(Japan Atomic Energy Research Institute, Tokai, Naka, Ibaraki 319-1195, Japan;Institute of High Energy Physics, Chinese Academy of Science, Beijing 100039)

Akira Iwamoto(Japan Atomic Energy Research Institute, Tokai, Naka, Ibaraki 319-1195, Japan)

Zhu-Xia Li(China Institute of Atomic Energy, Beijing 102413) 

刊 名： 天體物理學報(英文版)  ISTIC SCI 英文刊名： CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS  年，卷(期)： 2003 3(4)  分類號： P14  關鍵詞： stars: neutron stars - stars: magnetic fields - equation of state  

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