Lorentz violations and Euclidean signature metrics -: art. no. 087501

被引:17
作者
Barbero, JF [1 ]
Villaseñor, EJS [1 ]
机构
[1] CSIC, Ctr Fis Miguel A Catalan, Inst matemat & Fis Fundamental, Madrid 28006, Spain
关键词
D O I
10.1103/PhysRevD.68.087501
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We show that the families of effective actions considered by Jacobson to study Lorentz invariance violations contain a class of models that represent pure general relativity with a Euclidean signature. We also point out that some members of this family of actions preserve Lorentz invariance in a generalized sense.
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页数:2
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