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Observing dark energy dynamics with supernova, microwave background, and galaxy clustering
Xia JQ(夏俊卿); Zhao GB(赵公博); Feng B(冯波); Li H(李虹); Zhang XM(张新民); Xia, JQ; Zhao, GB; Feng, B; Li, H; Zhang, XM
Source PublicationPHYSICAL REVIEW D
Corresponding AuthorChinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; Univ Tokyo, Grad Sch Sci, RESCEU, Tokyo 1130033, Japan
AbstractObserving dark energy dynamics is the most important aspect of the current dark energy research. In this paper we perform a global analysis of the constraints on the property of dark energy from the current observations. We pay particular attention to the effects of dark energy perturbations. Using the data from SNIa (157 gold sample), WMAP, and SDSS we find that the best fitting dark energy model is given by the dynamical model with the equation of state crossing -1. Nevertheless the standard Lambda CDM model is still a good fit to the current data and evidence for dynamics is currently not very strong. We also consider the constraints with the recent released SNIa data from Supernova Legacy Survey.
Subject AreaAstronomy & Astrophysics; Physics
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000236466100038
ADS Bibcode2006PhRvD..73f3521X
ADS URLhttps://ui.adsabs.harvard.edu/abs/2006PhRvD..73f3521X
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2006PhRvD..73f3521X/citations
Citation statistics
Cited Times:98 [INSPIRE]
Cited Times:101 [ADS]
Document Type期刊论文
First Author AffilicationInstitute of High Energy
Recommended Citation
GB/T 7714
Xia JQ,Zhao GB,Feng B,et al. Observing dark energy dynamics with supernova, microwave background, and galaxy clustering[J]. PHYSICAL REVIEW D,2006,73(6):63521.
APA 夏俊卿.,赵公博.,冯波.,李虹.,张新民.,...&Zhang, XM.(2006).Observing dark energy dynamics with supernova, microwave background, and galaxy clustering.PHYSICAL REVIEW D,73(6),63521.
MLA 夏俊卿,et al."Observing dark energy dynamics with supernova, microwave background, and galaxy clustering".PHYSICAL REVIEW D 73.6(2006):63521.
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