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

来源：

PHYSICAL REVIEW D | 2003年 / 68卷 / 08期

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.

引用

页数：2

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