Nonminimal derivative coupling and the recovering of cosmological constant

被引：123

作者：

Capozziello, S ^{[1
]}

Lambiase, G

机构：

[1] Univ Salerno, Dipartimento Sci Fis ER Caianiello, I-84081 Baronissi, Italy

[2] Ist Nazl Fis Nucl, Sez Napoli, Naples, Italy

来源：

GENERAL RELATIVITY AND GRAVITATION | 1999年 / 31卷 / 07期

关键词：

cosmological constant; scalar field;

D O I：

10.1023/A:1026631531309

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We show that the existence of the cosmological constant can be connected to a nonminimal derivative coupling, in the action of gravity, between the geometry and the kinetic part of a given scaler field without introducing any effective potential of scalar fields. Exact solutions are given.

引用

页码：1005 / 1014

页数：10

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