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arXiv 2102.08496math-phgr-qcmath.MP
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Taub-Nut时空的群论特征

A group-theoretic characterisation of Taub-Nut spacetime

Schiden Yohannes, Domenico Giulini

摘要:

我们证明了任何具有非零$G$ -轨道的$G=SU(2)\times U(1)$对称时空是Ricci平坦的(即求解无物质的$Λ=0$爱因斯坦方程),它与某个最大扩展的广义Taub-NUT时空是局部等距的.

英文摘要:

We prove that any $G=SU(2)\times U(1)$ symmetric spacetime that is Ricci flat (i.e. solves the matter-free $Λ=0$ Einstein equations) with non-null $G$-orbits is locally isometric to some maximally extended generalised Taub-NUT spacetime.

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