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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
2006
发表期刊PHYSICAL REVIEW D
卷号73期号:6页码:63521
通讯作者Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China ; Univ Tokyo, Grad Sch Sci, RESCEU, Tokyo 1130033, Japan
文章类型Article
摘要Observing 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.
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.73.063521
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000236466100038
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被引频次:82[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240724
专题粒子天体物理中心
多学科研究中心
作者单位中国科学院高能物理研究所
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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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