vacuum field equation

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Based on reviewing vacuum field equation which is stationary and axisymmetric , i.e. , the Ernst equation , and the generating technique of solutions , some spacetime properties and geodesics properties are studied by using the NUT-Taub-like ( NT-like ) solution obtained recently .
本文在回顾稳态轴对称真空场方程,即Ernst方程及其解的生成技术基础上,从最近得到的NUT-Taub-like(NT-like)解出发,对这个度规的时空的性质和测地线性质进行了研究。