FURTHER EXTENDED THEORIES OF GRAVITATION: PART II

被引：13

作者：

Fatibene, L. ^{[1
,2
]}

Ferraris, M. ^{[1
]}

Francaviglia, M. ^{[1
,2
,3
]}

Mercadante, S. ^{[1
]}

机构：

[1] Univ Turin, Dept Math, I-10124 Turin, Italy

[2] Ist Nazl Fis Nucl, Sez Torino Italy, Milan, 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/S0219887810004609

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We shall present and analyze two examples of extended theories of gravitation in Palatini formalism with matter that couples to the connection. This will show that the class of Further Extended Theories of Gravitation introduced in [1] does not trivially reduce to f(R) models. It will also produce an example of theory that on-shell endows space-time with a non-trivial Weyl geometry where the connection is not induced by the metric structure (though it is compatible with it in the sense of Ehlers-Pirani-Schild; see [2]).

引用

页码：899 / 906

页数：8

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