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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.
Oscillation in power spectrum of primordial gravitational wave as a signature of higher-order stringy corrections
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
KeywordCoSmology Of Theories Beyond The Sm SuperStrings And Heterotic Strings
AbstractIn 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.
2016
Issue2Pages:59
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1007/JHEP02(2016)059
Indexed BySCI
Funding OrganizationNSFC [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]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21773
CollectionSCI期刊论文
Corresponding AuthorCai, 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.
Recommended Citation
GB/T 7714
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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