Real null coframes in general relativity and GPS type coordinates

被引:30
作者
Blagojevic, M [1 ]
Garecki, J [1 ]
Hehl, FW [1 ]
Obukhov, YN [1 ]
机构
[1] Univ Cologne, Inst Theoret Phys, D-50923 Cologne, Germany
关键词
D O I
10.1103/PhysRevD.65.044018
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Some time ago, Finkelstein defined a "symmetric" null frame with four real null vectors. We discuss this Finkelstein frame and show that a similarly defined real null coframe is closely related to the GPS type coordinates recently introduced by Rovelli.
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页数:6
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