期刊
CLASSICAL AND QUANTUM GRAVITY
卷 31, 期 2, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/31/2/025019
关键词
super-inflation; bounce; low multipole anomaly
类别
资金
- Louisiana Board of Regents [LEQSF(2011-13)-RD-A21]
- Lancaster-Manchester-Sheffield Consortium for Fundamental Physics under STFC grant [ST/J000418/1]
- Science and Technology Facilities Council [ST/L000520/1, ST/J000418/1, ST/G00045X/1] Funding Source: researchfish
- STFC [ST/J000418/1, ST/G00045X/1, ST/L000520/1] Funding Source: UKRI
In this paper we present a simple argument that shows a non-singular bouncing cosmology naturally yields an era of super-inflation which can precede the phase of normal potential driven inflation. One of the consequences of a super-inflation phase is that it might be able to account for suppressing the low multipole in the amplitude of the cosmic microwave background radiation. We estimate that the number of e-folds of super-inflation required to explain the current Planck data to be roughly three e-folds.
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