Generalized 2D dilaton gravity and kinetic gravity braiding

被引：12
|
作者：
Takahashi, Kazufumi [1 ]
Kobayashi, Tsutomu [1 ]
机构：
[1] Rikkyo Univ, Dept Phys, Toshima Ku, Tokyo 1718501, Japan
来源：
CLASSICAL AND QUANTUM GRAVITY | 2019年 / 36卷 / 09期
关键词：
2D dilaton gravity; Horndeski theory; black hole solution; TENSOR;
D O I：
10.1088/1361-6382/ab1355
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We show explicitly that the nonminimal coupling between the scalar field and the Ricci scalar in 2D dilaton gravity can be recast in the form of kinetic gravity braiding (KGB). This is as it should be, because KGB is the 2D version of the Horndeski theory. We also determine all the static solutions with a linearly time-dependent scalar configuration in the shift-symmetric KGB theories in 2D.
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页数：8
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