Baryonic density and scalar-tensor gravity theories

被引：0
|
作者：
Alimi, JM [1 ]
Serna, A [1 ]
机构：
[1] Observ Paris, Lab Astrophys Extragalact & Cosmol, CNRS URA 173, F-92195 Meudon, France
来源：
MODERN MODIFIED THEORIES OF GRAVITATION AND COSMOLOGY | 1998年
关键词：
cosmology : theory; dark matter; reactions; nucleosynthese; abundances;
D O I：
暂无
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We have studied homogeneous and isotropic cosmological models and the primordial light element production in scalar-tensor gravity theories. We show that a wide class of them allows for a baryonic density very close to that needed for the universe closure. This class of theories converges soon enough towards General Relativity and, hence, is compatible with all solar-system and binary pulsar gravitational tests. These theories have also important consequences on inflation and on formation of large-scale structures.
引用
收藏
页码：192 / 201
页数：4
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