On Plane Wave Solutions in Lorentz-Violating Extensions of Gravity

被引：7

作者：

Nascimento, J. R. ^{[1
]}

Petrov, A. Yu. ^{[1
]}

Vieira, A. R. ^{[2
]}

机构：

[1] Univ Fed Paraiba, Dept Fis, BR-58051970 Joao Pessoa, PB, Brazil

[2] Univ Fed Triangulo Mineiro, Campus Iturama, BR-38280000 Iturama, MG, Brazil

来源：

GALAXIES | 2021年 / 9卷 / 02期

关键词：

gravitational waves; Lorentz and charge-parity-time (CPT) violation;

D O I：

10.3390/galaxies9020032

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

In this paper, we obtain dispersion relations corresponding to plane wave solutions in Lorentz-breaking extensions of gravity with dimension 3, 4, 5 and 6 operators. We demonstrate that these dispersion relations display a usual Lorentz-invariant mode when the corresponding additive term involves higher derivatives.

引用

页数：10

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