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题名: Parity violation in pre-inflationary bounce
作者: Wang, YT;  Piao, YS
刊名: PHYSICS LETTERS B
出版日期: 2015
卷号: 741, 期号:0, 页码:55-60
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1016/j.physletb.2014.12.011
通讯作者: Wang, YT (reprint author), Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China.
文章类型: Article
英文摘要: The power suppression on large scale in the CMB TT-mode power spectrum might imply the occurrence of a pre-inflationary bounce. We calculate the circularly polarized gravitational wave, leaded by the gravitational Chern-Simons term universally appearing in particle physics and string theory, in the inflation model with the pre-inflationary bounce. The circularly polarized gravitational wave will induce TB- and EB-mode correlations at CMB last scatting surface. We find that if the pre-inflationary bounce actually occurs, the TB- and EB-mode correlations on large scale will be enhanced, while the BB-mode correlation on corresponding scales is suppressed. (C) 2014 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/3.0/).
类目[WOS]: Astronomy & Astrophysics ;  Physics, Nuclear ;  Physics, Particles & Fields
关键词[WOS]: HEMISPHERICAL POWER ASYMMETRY ;  STRING COSMOLOGY ;  GRAVITY-WAVES ;  BIG-BANG ;  SKY MAPS ;  SIGNATURE ;  ANOMALIES ;  PROBE ;  WMAP
收录类别: SCI
项目资助者: NSFC [11222546] ;  National Basic Research Program of China [2010CB832804]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21097
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Wang, YT,Piao, YS. Parity violation in pre-inflationary bounce[J]. PHYSICS LETTERS B,2015,741(0):55-60.
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