荷磁矩中子星外部的电磁场能量动量张量

Energy-momentum Tensor of Electromagnetic Field Outside Neutron Star With Magnetic Moment

利用王永久等人所得到的具有磁矩的球对称质量外部的引力场度规和电磁势的表达式,计算出了球对称质量外部的电磁场量动量张量。数值计算结果和分布曲线表明,时空的弯曲将引起磁偶极子电磁场能量的增加。

The energy-momentum tensor of electromagnetic field outside the neutron star with magnetic moment is cal-cuated based on the metric tensor and 4-dimmensioal potential outside the spherical symmetric mass with magnetic moment. The numerical calculation and the distributed curve indicate that the electromagnetic energy of the magnetic-dipole will be greater in curved space-time than in Minkowski space-time.