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Holographic dark energy models: a comparison from the latest observational data
Li, Miao; Li, Xiao-Dong; Wang, Shuang; Zhang, Xin; Li, M , Chinese Acad Sci, Inst Theoret Phys, Zhong Guan Cun E St, Beijing 100080, Peoples R China
2009
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
ISSN1475-7516
期号6页码:-
摘要The holographic principle of quantum gravity theory has been applied to the dark energy (DE) problem, and so far three holographic DE models have been proposed: the original holographic dark energy (HDE) model, the agegraphic dark energy (ADE) model, and the holographic Ricci dark energy (RDE) model. In this work, we perform the best-fit analysis on these three models, by using the latest observational data including the Union+CFA3 sample of 397 Type Ia supernovae (SNIa), the shift parameter of the cosmic microwave background (CMB) given by the five-year Wilkinson Microwave Anisotropy Probe (WMAP5) observations, and the baryon acoustic oscillation (BAO) measurement from the Sloan Digital Sky Survey (SDSS). The analysis shows that for HDE, chi(2)(min) = 465.912; for RDE, chi(2)(min) = 483.130; for ADE, chi(2)(min) = 481.694. Among these models, HDE model can give the smallest. chi(2)(min). Besides, we also use the Bayesian evidence (BE) as a model selection criterion to make a comparison. It is found that for HDE, ADE, and RDE, Delta ln BE = -0.86, -5.17, and -8.14, respectively. So, it seems that the HDE model is more favored by the observational data.
部门归属[Li, M; Li, XD; Wang, S] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; [Li, M; Zhang, X] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100080, Peoples R China; [Li, XD] Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Peoples R China; [Wang, S] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Peoples R China; [Zhang, X] Northeastern Univ, Coll Sci, Dept Phys, Shenyang 110004, Peoples R China
关键词Probe Wmap Observations High-redshift Supernovae Hubble-space-telescope Yang-mills Condensate Gamma-ray Bursts Cosmological Constant Statefinder Diagnosis Galaxy Clusters Constraints Quintessence
学科领域Physics
资助者Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China
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收录类别SCI
资助者Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China
WOS记录号WOS:000267776100002
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被引频次:138[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5317
专题理论物理所1978-2010年知识产出
通讯作者Li, M , Chinese Acad Sci, Inst Theoret Phys, Zhong Guan Cun E St, Beijing 100080, Peoples R China
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GB/T 7714
Li, Miao,Li, Xiao-Dong,Wang, Shuang,et al. Holographic dark energy models: a comparison from the latest observational data[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2009(6):-.
APA Li, Miao,Li, Xiao-Dong,Wang, Shuang,Zhang, Xin,&Li, M , Chinese Acad Sci, Inst Theoret Phys, Zhong Guan Cun E St, Beijing 100080, Peoples R China.(2009).Holographic dark energy models: a comparison from the latest observational data.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(6),-.
MLA Li, Miao,et al."Holographic dark energy models: a comparison from the latest observational data".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .6(2009):-.
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