$$\begin{aligned}{} & {} T_{\mu \nu }=\dfrac{1}{2}\nabla _{\mu }\varphi \nabla _{\nu }\varphi R-2\nabla _{\rho }\varphi \nabla _{(\mu }\varphi R^{\rho }_{\nu )}-\nabla ^{\rho }\varphi \nabla ^{\lambda }\varphi R
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* 1 College of Advanced Interdisciplinary Studies, National University of Defense Technology, Changsha 410073, China; liuyu11@nudt.edu.cn 2 State Key Laboratory of High-Performance Computing, College of Computer, National University of Defense Technology, Changsha 410073, China; zilongtao@163.com (...