GENERAL-RELATIVITY AS A COSMOLOGICAL ATTRACTOR OF TENSOR-SCALAR THEORIES

被引：391
|
作者：
DAMOUR, T
NORDTVEDT, K
机构：
[1] CNRS,OBSERV PARIS,DEPT ASTROPHYS RELATIVISTE & COSMOL,F-92195 MEUDON,FRANCE
[2] MONTANA STATE UNIV,DEPT PHYS,BOZEMAN,MT 59717
来源：
PHYSICAL REVIEW LETTERS | 1993年 / 70卷 / 15期
关键词：
D O I：
10.1103/PhysRevLett.70.2217
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Tensor-scalar theories of gravity axe shown to generically contain an attractor mechanism toward general relativity, with the redshift at the beginning of the matter-dominated era providing the measure for the present level of deviation from general relativity. Quantitative estimates for the post-Newtonian parameters gamma - 1, beta - 1, and G/G are given, which give greater significance to future improvements of solar-system gravitational tests.
引用
收藏
页码：2217 / 2219
页数：3
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