A general test of the Copernican principle

被引：194
|
作者：
Clarkson, Chris [1 ]
Bassett, Bruce [1 ,2 ]
Lu, Teresa Hui-Ching [1 ]
机构：
[1] Univ Cape Town, Dept Math & Appl Math, Cosmol & Grav Grp, ZA-7701 Rondebosch, South Africa
[2] S African Astron Observ, Cape Town, South Africa
来源：
PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 01期
关键词：
D O I：
10.1103/PhysRevLett.101.011301
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
To date, there has been no general way of determining if the Copernican principle-that we live at a typical position in the Universe-is in fact a valid assumption, significantly weakening the foundations of cosmology as a scientific endeavor. Here we present an observational test for the Copernican assumption which can be automatically implemented while we search for dark energy in the coming decade. Our test is entirely independent of any model for dark energy or theory of gravity and thereby represents a model-independent test of the Copernican principle.
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页数：4
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