The failure of cosmological perturbation theory in the new ekpyrotic and cyclic ekpyrotic scenarios

被引：95

作者：

Lyth, DH ^{[1
]}

机构：

[1] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England

来源：

PHYSICS LETTERS B | 2002年 / 526卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(01)01438-1

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Cosmological perturbation theory fails in the new ekpyrotic and cyclic ekpyrotic scenarios, before the scale factor of the Universe reaches zero. As a result, a recently-proposed,recipe for evolving the curvature perturbation through the bounce in these scenarios cannot be justified. (C) 2002 Published by Elsevier Science B.V.

引用

页码：173 / 178

页数：6

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