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《中国天文和天体物理学报(英文版)》 2003-04
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A Study of Neutron Star Structure in Strong Magnetic Fields that includes Anomalous Magnetic Moments

Guang-Jun Mao, Akira Iwamoto1 and Zhu-Xia Li 1 Japan Atomic Energy Research Institute, Tokai, Naka, Ibaraki 319-1195, Japan 2 Institute of High Energy Physics, Chinese Academy of Science, Beijing 100039; maogj@mail.ihep.ac.cn 3 China Institute of Atomic Energy, Beijing 102413  
We study the effect of strong magnetic fields on the structure of neutron star. We find that if the interior field is on the same order as the surface field currently observed, then the influences of the field on the star's mass and radius are negligible; 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 be increased substantially while the central density is greatly reduced. The radius of a magnetic star can be larger by about 10%-20% than a nonmagnetic star of the same mass.
【Fund】: STA foundation and the National Natural Science Foundation of China.
【CateGory Index】: P145.6
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