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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
Holographic dark energy models: a comparison from the latest observational data
Source PublicationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
KeywordProbe Wmap Observations High-redshift Supernovae Hubble-space-telescope Yang-mills Condensate Gamma-ray Bursts Cosmological Constant Statefinder Diagnosis Galaxy Clusters Constraints Quintessence
AbstractThe 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.
2009
ISSN1475-7516
Issue6Pages:-
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNatural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China ; Natural Science Foundation of China
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Cited Times:146[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5317
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLi, M , Chinese Acad Sci, Inst Theoret Phys, Zhong Guan Cun E St, Beijing 100080, Peoples R China
Recommended Citation
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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