Kaluza-Klein anisotropy in the CMB

被引：76

作者：

Barrow, JD ^{[1
]}

Maartens, R

机构：

[1] Univ Cambridge, Ctr Math Sci, DAMTP, Cambridge CB3 0WA, England

[2] Univ Portsmouth, Sch Comp Sci & Math, Relat & Cosmol Grp, Portsmouth PO1 2EG, Hants, England

来源：

PHYSICS LETTERS B | 2002年 / 532卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(02)01552-6

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We show that 5-dimensional Kaluza-Klein graviton stresses can slow the decay of shear anisotropy on the brane to observable levels, and we use cosmic microwave background anisotropies to place limits on the initial anisotropy induced by these stresses. An initial shear to Hubble distortion of only similar to 10(-3) Omega(0)h(0)(2) at the 5D Planck time would allow the observed large-angle CMB 0 signal to be a relic mainly of KK tidal effects. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：153 / 158

页数：6

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