On the equivalence between f(R) theories and Einstein gravity

被引：0
|
作者：
Bhattacharyya, Soham [1 ]
机构：
[1] IIT Madras, Dept Phys, Chennai, India
来源：
CLASSICAL AND QUANTUM GRAVITY | 2023年 / 40卷 / 21期
关键词：
modified theories of gravity; conformal transformation; field redefinition; F(R); MODELS;
D O I：
10.1088/1361-6382/acfcff
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this brief note we present a somewhat trivial result. Namely, we show that perturbative off-shell f(R)-theory is equivalent to Einstein gravity, as well as to the Brans-Dicke theory and the Einstein scalar field model. We also discuss possible generalization of this result to higher-order gravitational field models.
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页数：12
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