期刊
GENERAL RELATIVITY AND GRAVITATION
卷 41, 期 9, 页码 2017-2030出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10714-009-0828-4
关键词
Relativistic cosmology; Inhomogeneous models; Structure formation; Spatial curvature
The thoughts expressed in this article are based on remarks made by Jurgen Ehlers at the Albert-Einstein-Institut, Golm, Germany in July 2007. The main objective of this article is to demonstrate, in terms of plausible order-of-magnitude estimates for geometrical scalars, the relevance of spatial curvature in realistic models of the Universe that describe the dynamics of structure formation since the epoch of matter-radiation decoupling. We introduce these estimates with a commentary on the use of a quasi-Newtonian metric form in this context.
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