ITP OpenIR  > 理论物理所2017年知识产出
Chirality oscillation of primordial gravitational waves during inflation
Cai, Y; Wang, YT; Piao, YS; Cai, Y (reprint author), Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China.
2017
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号3页码:24
文章类型Article
摘要We show that if the gravitational Chern-Simons term couples to a massive scalar field (m > H), the primordial gravitational waves (GWs) will show itself the chirality oscillation, i.e., the amplitudes of the left-and right-handed GWs modes will convert into each other and oscillate in their propagations. This oscillation will eventually develop a permanent difference of the amplitudes of both modes, which leads to nearly opposite oscillating shapes in the power spectra of the left-and right-handed primordial GWs. We discuss its implication to the CMB B-mode polarization.
关键词CoSmology Of Theories Beyond The Sm String Field Theory
学科领域Physics
资助者NSFC [11222546, 11575188] ; NSFC [11222546, 11575188] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; NSFC [11222546, 11575188] ; NSFC [11222546, 11575188] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000]
DOIhttp://dx.doi.org/10.1007/JHEP03(2017)024
关键词[WOS]UNIVERSE
语种英语
资助者NSFC [11222546, 11575188] ; NSFC [11222546, 11575188] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; NSFC [11222546, 11575188] ; NSFC [11222546, 11575188] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000]
WOS类目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/311006/22110
专题理论物理所2017年知识产出
通讯作者Cai, Y (reprint author), Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China.
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GB/T 7714
Cai, Y,Wang, YT,Piao, YS,et al. Chirality oscillation of primordial gravitational waves during inflation[J]. JOURNAL OF HIGH ENERGY PHYSICS,2017(3):24.
APA Cai, Y,Wang, YT,Piao, YS,&Cai, Y .(2017).Chirality oscillation of primordial gravitational waves during inflation.JOURNAL OF HIGH ENERGY PHYSICS(3),24.
MLA Cai, Y,et al."Chirality oscillation of primordial gravitational waves during inflation".JOURNAL OF HIGH ENERGY PHYSICS .3(2017):24.
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