Astrophysics > Cosmology and Nongalactic Astrophysics
[Submitted on 26 Mar 2014
(v1)
, last revised 16 Oct 2014 (this version, v2)]
Title: How well do we understand the thermal history of the Universe? Implications of the recent BICEP2 data
Title: 我们对宇宙的热历史了解得多吗？ 最近BICEP2数据的含义
Abstract: Applying Grand Unified Theories in the context of the early Universe, cosmic strings are an unavoidable partner of the inflaton field. To render such models compatible with the CMB temperature anisotropies, the inflationary scale has to be lower than the 2x10^{16} GeV value deduced from the tensor-to-scalar ratio announced from the BICEP2 collaboration. Some questions are consequently raised about our understanding of the thermal history of the Universe.
Submission history
From: Mairi Sakellariadou [view email][v1] Wed, 26 Mar 2014 14:29:17 UTC (9 KB)
[v2] Thu, 16 Oct 2014 13:27:19 UTC (10 KB)
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