Possible connection between the location of the cutoff in the cosmic microwave background spectrum and the equation of state of dark energy

被引：127

作者：

Enqvist, K ^{[1
]}

Sloth, MS

机构：

[1] Univ Helsinki, Dept Phys Sci, FIN-00014 Helsinki, Finland

[2] Univ Helsinki, Helsinki Inst Phys, FIN-00014 Helsinki, Finland

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 93卷 / 22期

基金：

芬兰科学院;

关键词：

D O I：

10.1103/PhysRevLett.93.221302

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We investigate a possible connection between the suppression of the power at low multipoles in the cosmic microwave background (CMB) spectrum and the late time acceleration. We show that, assuming a cosmic IR/UV duality between the UV cutoff and a global infrared cutoff given by the size of the future event horizon, the equation of state of the dark energy can be related to the apparent cutoff in the CMB spectrum. The present limits on the equation of state of dark energy are shown to imply an IR cutoff in the CMB multipole interval of 9>l>8.5.

引用

页数：4

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