On the invariant symmetries of the D-metrics

On the invariant symmetries of the D-metrics
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关于 D 度量的不变对称性

DOI:
10.1063/1.2799264
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发表时间:
2007
影响因子:
1.3
通讯作者:
J. A. S'aez
J. A. S'aez
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
J. J. Ferrando;J. A. S'aez

文献摘要

被引文献

相似文献

我们分析了D-度量的对称性和其他不变性(具有宇宙常数的D型对准爱因斯坦-麦克斯韦解,其Debever零主方向决定无剪切测地线零同余)。我们恢复了它们的等距群和它们的测地线方程的二次一次积分的一些性质,并推导了一些新的性质,并分析了这些不变对称性在什么情况下表征了度量族。我们证明Kerr-NUT解的亚族是那些承认与Weyl张量对齐的Papapetrou场的亚族。
We analyze the symmetries and other invariant qualities of the D-metrics (type D aligned Einstein-Maxwell solutions with cosmological constant whose Debever null principal directions determine shear-free geodesic null congruences). We recover some properties and deduce new ones about their isometry group and about their quadratic first integrals of the geodesic equation, and we analyze when these invariant symmetries characterize the family of metrics. We show that the subfamily of the Kerr-NUT solutions are those admitting a Papapetrou field aligned with the Weyl tensor.