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Constraints on the geometric and dynamic spatial curvature
Yu, Bo1,2
2015-10-15
Source PublicationPHYSICAL REVIEW D
Volume92Issue:8Pages:8354
AbstractIn this paper, the geometric and dynamic spatial curvature parameters of the Universe are constrained by type Ia supernova, baryon acoustic oscillation, and cosmic microwave background data. Compared with the previous result, a more stringent constraint is obtained, especially for the dynamic spatial curvature in the case of variable dark energy. No evidence is found that the geometric spatial curvature deviates from the dynamic spatial curvature, which is consistent with general relativity. In the case of dark energy with constant equation of state, it is found that -8.4 x 10(-3) <= Omega(geo)(K) <= 6.6 x 10(-3) (95% C.L.). This supports the hypothesis of a flat Universe in a very general meaning.
Subject Area天文和天体物理
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1103/PhysRevD.92.083514
WOS KeywordBARYON ACOUSTIC-OSCILLATIONS ; DARK ENERGY ; UNIVERSE ; ANISOTROPIES ; CONSTANT ; SAMPLES ; MODEL
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000362901600003
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/14873
Collection南极天文中心
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Peoples R China
2.Nanjing Univ, Purple Mt Observ, Joint Ctr Particle Nucl Phys & Cosmol, Nanjing 210093, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Yu, Bo. Constraints on the geometric and dynamic spatial curvature[J]. PHYSICAL REVIEW D,2015,92(8):8354.
APA Yu, Bo.(2015).Constraints on the geometric and dynamic spatial curvature.PHYSICAL REVIEW D,92(8),8354.
MLA Yu, Bo."Constraints on the geometric and dynamic spatial curvature".PHYSICAL REVIEW D 92.8(2015):8354.
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