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Oscillation in power spectrum of primordial gravitational wave as a signature of higher-order stringy corrections
Cai, Y; Wang, YT; Piao, YS; Piao, YS (reprint author), Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China.; Piao, YS (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
2016
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号2页码:59
文章类型Article
摘要In low-energy effective string theory, alpha' corrections involve the coupling of the dilaton field to Gauss-Bonnet term. We assume that the dilaton potential is fine tuned so that the dilaton field may oscillate rapidly for a while around the minimum of its potential but the inflation background is not affected. By numerical method, we find that if the dilaton starts to oscillate at the time of about similar to 60 e-folds before the end of inflation, alpha' correction may bring unusual oscillations to the inflationary gravitational wave spectrum, which might be measurably imprinted in the CMB B-mode polarization.
关键词CoSmology Of Theories Beyond The Sm SuperStrings And Heterotic Strings
学科领域Physics
资助者NSFC [11222546] ; NSFC [11222546] ; NSFC [11222546] ; NSFC [11222546] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; NSFC [11222546] ; NSFC [11222546] ; NSFC [11222546] ; NSFC [11222546] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; 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/JHEP02(2016)059
关键词[WOS]GRAVITY-WAVES ; PERTURBATIONS ; EQUATIONS ; UNIVERSE ; TENSOR
收录类别SCI
语种英语
资助者NSFC [11222546] ; NSFC [11222546] ; NSFC [11222546] ; NSFC [11222546] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; NSFC [11222546] ; NSFC [11222546] ; NSFC [11222546] ; NSFC [11222546] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; National Basic Research Program of China [2010CB832804] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; Strategic Priority Research Program of Chinese Academy of Sciences [XDA04000000] ; 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/311006/21773
专题理论物理所SCI论文
通讯作者Cai, Y; Wang, YT; Piao, YS (reprint author), Univ Chinese Acad Sci, Sch Phys, Beijing 100049, Peoples R China.; Piao, YS (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, POB 2735, Beijing 100190, Peoples R China.
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Cai, Y,Wang, YT,Piao, YS,et al. Oscillation in power spectrum of primordial gravitational wave as a signature of higher-order stringy corrections[J]. JOURNAL OF HIGH ENERGY PHYSICS,2016(2):59.
APA Cai, Y,Wang, YT,Piao, YS,Piao, YS ,&Piao, YS .(2016).Oscillation in power spectrum of primordial gravitational wave as a signature of higher-order stringy corrections.JOURNAL OF HIGH ENERGY PHYSICS(2),59.
MLA Cai, Y,et al."Oscillation in power spectrum of primordial gravitational wave as a signature of higher-order stringy corrections".JOURNAL OF HIGH ENERGY PHYSICS .2(2016):59.
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