Wilkinson Microwave Anisotropy Probe data and the curvature of space

被引：87

作者：

Uzan, JP

Kirchner, U

Ellis, GFR

机构：

[1] Univ Paris 11, CNRS, UMR 8627, Phys Theor Lab, F-91405 Orsay, France

[2] CNRS, Inst Astrophys Paris, GReCO, F-75014 Paris, France

[3] Univ Cape Town, Dept Math & Appl Math, ZA-7700 Rondebosch, South Africa

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2003年 / 344卷 / 04期

关键词：

cosmic microwave background; cosmological parameters; cosmology : miscellaneous; early Universe;

D O I：

10.1046/j.1365-8711.2003.07043.x

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Inter alia, the high-precision Wilkinson Microwave Anisotropy Probe (WMAP) data on cosmic background radiation marginally indicate that the Universe has positively curved (and hence spherical) spatial sections. In this Letter, we take this data seriously and consider some of the consequences for the background dynamics. In particular, we show that this implies a limit to the number of e-foldings that could have taken place in the inflationary epoch; however, this limit is consistent with some inflationary models that solve all the usual cosmological problems and that are consistent with standard structure formation theory.

引用

页码：L65 / L68

页数：4

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