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Parity violation in pre-inflationary bounce
Wang, YT; Piao, YS; Wang, YT (reprint author), Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China.
2015
发表期刊PHYSICS LETTERS B
卷号741期号:0页码:55-60
文章类型Article
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/).
学科领域Astronomy & Astrophysics ; Physics
资助者NSFC [11222546] ; NSFC [11222546] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; NSFC [11222546] ; NSFC [11222546] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804]
DOIhttp://dx.doi.org/10.1016/j.physletb.2014.12.011
关键词[WOS]HEMISPHERICAL POWER ASYMMETRY ; STRING COSMOLOGY ; GRAVITY-WAVES ; BIG-BANG ; SKY MAPS ; SIGNATURE ; ANOMALIES ; PROBE ; WMAP
收录类别SCI
语种英语
资助者NSFC [11222546] ; NSFC [11222546] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; NSFC [11222546] ; NSFC [11222546] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804]
WOS类目Astronomy & Astrophysics ; Physics, Nuclear ; Physics, Particles & Fields
引用统计
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21097
专题2015年知识产出
通讯作者Wang, YT (reprint author), Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China.
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Wang, YT,Piao, YS,Wang, YT . Parity violation in pre-inflationary bounce[J]. PHYSICS LETTERS B,2015,741(0):55-60.
APA Wang, YT,Piao, YS,&Wang, YT .(2015).Parity violation in pre-inflationary bounce.PHYSICS LETTERS B,741(0),55-60.
MLA Wang, YT,et al."Parity violation in pre-inflationary bounce".PHYSICS LETTERS B 741.0(2015):55-60.
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