The gravitational light shift and the Sachs-Wolfe effect

被引：1
|
作者：
Merlin, Cesar [1 ]
Salgado, Marcelo [1 ]
机构：
[1] Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico
来源：
GENERAL RELATIVITY AND GRAVITATION | 2011年 / 43卷 / 10期
关键词：
Gravitational light shift; 3+1 formalism; Sachs-Wolfe effect; COSMOLOGICAL PERTURBATIONS; COVARIANT; MODELS;
D O I：
10.1007/s10714-011-1193-7
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Using a 3+1 decomposition of spacetime, we derive a new formula to compute the gravitational light shifts as measured by two observers which are normal to the spacelike hypersurfaces defining the foliation. This formula is quite general and is also independent of the existence of Killing fields. Known examples are considered to illustrate the usefulness of the formula. In particular, we focus on the Sachs-Wolfe effect that arises in a perturbed Friedman-Robertson-Walker cosmology.
引用
收藏
页码：2701 / 2712
页数：12
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