An extension of the Newman–Janis algorithm
An extension of the Newman–Janis algorithm
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Newman-Janis 算法的扩展
DOI：
10.1088/0264-9381/31/15/155003
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发表时间：
2014
影响因子：
3.5
通讯作者：
Aidan J. Keane
中科院分区：
文献类型：
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作者：
Aidan J. Keane
Newman-Janis 算法补充了零旋转，并应用于 Reissner-Nordström 时空的张量，以生成 Kerr-Newman 时空的度量、Maxwell、Ricci 和 Weyl 张量。此过程还提供了一种机制，通过该机制，Carter Killing 张量源自基础 Reissner-Nordström 度量的测地角动量张量。克尔-纽曼时空中的共形杀死张量以类似的方式生成。扩展算法还应用于 Reissner-Nordström 时空的 Killing 矢量，产生了有趣的结果。史瓦西到克尔的转变是一个特例。
The Newman–Janis algorithm is supplemented with a null rotation and applied to the tensors of the Reissner–Nordström spacetime to generate the metric, Maxwell, Ricci and Weyl tensors for the Kerr–Newman spacetime. This procedure also provides a mechanism whereby the Carter Killing tensor arises from the geodesic angular momentum tensor of the underlying Reissner–Nordström metric. The conformal Killing tensor in the Kerr–Newman spacetime is generated in a similar fashion. The extended algorithm is also applied to the Killing vectors of the Reissner–Nordström spacetime with interesting consequences. The Schwarzschild to Kerr transformation is a special case.