Lie point symmetries of the geodesic equations of the Godel's metric

被引:0
|
作者
Al-Kindi, Fatma [1 ]
Ziad, Muhammad [1 ]
机构
[1] Sultan Qaboos Univ, Dept Math, Coll Sci, Muscat, Oman
来源
15TH MARCEL GROSSMANN MEETING, PT A | 2022年
关键词
Lie Symmetries; Isometries; Geodesic Equations;
D O I
暂无
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Lie point symmetries of the geodesic equations of the Godel's metric are found. These form a ten dimensional Lie algebra. The Lie algebra contains a maximal seven-dimensional solvable sub- algebra. It also contains five dimensional subalgebra of isometries of the metric. The isometries are used to reduce the order of the geodesic system by one. The time-like trajectories of the Godel's metric are then derived and their graphs in the (r, phi) plane are displayed showing some interesting features of the dynamics in this universe.
引用
收藏
页码:1341 / 1346
页数:6
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