Extended theories of gravitation

被引：1
|
作者：
Fatibene, Lorenzo [1 ]
Garruto, Simon [1 ]
机构：
[1] Univ Turin, Dept Math, Via Carlo Alberto 10, I-10123 Turin, Italy
来源：
INTERNATIONAL JOURNAL OF GEOMETRIC METHODS IN MODERN PHYSICS | 2016年 / 13卷 / 05期
关键词：
EPS; conformal theories; extended theory of gravitation;
D O I：
10.1142/S0219887816500705
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper, we shall review the equivalence between Palatini-f(R) theories and Brans-Dicke (BD) theories at the level of action principles. We shall define the Helmholtz Lagrangian associated to Palatini-f(R) theory and we will define some transformations which will be useful to recover Einstein frame and BD frame. We shall see an explicit example of matter field and we will discuss how the conformal factor affects the physical quantities.
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页数：5
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