FURTHER EXTENDED THEORIES OF GRAVITATION: PART I

被引：26
|
作者：
Di Mauro, M. [1 ]
Fatibene, L. [1 ,2 ]
Ferraris, M. [1 ]
Francaviglia, M. [1 ,2 ,3 ]
机构：
[1] Univ Turin, Dept Math, I-10124 Turin, Italy
[2] Ist Nazl Fis Nucl, Sez Torino Italy, Turin, Italy
[3] Univ Calabria, LCS, I-87030 Commenda Di Rende, Italy
来源：
INTERNATIONAL JOURNAL OF GEOMETRIC METHODS IN MODERN PHYSICS | 2010年 / 7卷 / 05期
关键词：
Extended theories of gravitation; Weyl geometries; non-metric connections;
D O I：
10.1142/S0219887810004592
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We shall here propose a class of relativistic theories of gravitation, based on a foundational paper of Ehlers Pirani and Schild (EPS). All "extended theories of gravitation" (also known as f(R) theories) in Palatini formalism are shown to belong to this class. In a forthcoming paper, we shall show that this class of theories contains other more general examples. EPS framework helps in the interpretation and solution of these models that however have exotic behaviors even compared to f(R) theories.
引用
收藏
页码：887 / 898
页数：12
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