Reconstruction of a scalar-tensor theory of gravity in an accelerating universe

被引：715
|
作者：
Boisseau, B
Esposito-Farèse, G
Polarski, D
Starobinsky, AA
机构：
[1] Univ Tours, UPRES A 6083 CNRS, Lab Math & Phys Theor, F-37200 Tours, France
[2] CNRS Marseille Luminy, Ctr Phys Theor, F-13288 Marseille 9, France
[3] Observ Paris, Dept Astrophys Relativiste & Cosmol, F-92195 Meudon, France
[4] Landau Inst Theoret Phys, Moscow 117334, Russia
[5] Univ Cambridge, Newton Inst Math Sci, Cambridge CB3 0EH, England
来源：
PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 11期
关键词：
D O I：
10.1103/PhysRevLett.85.2236
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The present acceleration of the Universe strongly indicated by recent observational data can be modeled in the scope of a scalar-tensor theory of gravity. We show that it is possible to determine the structure of this theory along with the present density of dustlike matter from two observable cosmological functions: the luminosity distance and the linear density perturbation in the dustlike matter component as functions of redshift. Explicit results are presented in the first order in the small inverse Brans-Dicke parameter omega(-1).
引用
收藏
页码：2236 / 2239
页数：4
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