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题名: Probing interaction and spatial curvature in the holographic dark energy model
作者: Li, Miao ;  Li, Xiao-Dong ;  Wang, Shuang ;  Wang, Yi ;  Zhang, Xin
刊名: JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
出版日期: 2009
期号: 12, 页码:-
关键词: HIGH-REDSHIFT SUPERNOVAE ;  HUBBLE-SPACE-TELESCOPE ;  EQUATION-OF-STATE ;  COSMOLOGICAL CONSTANT ;  WMAP OBSERVATIONS ;  BLACK-HOLES ;  STATEFINDER DIAGNOSIS ;  ACCELERATING UNIVERSE ;  ENTROPY BOUNDS ;  CONSTRAINTS
学科分类: Physics
通讯作者: Li, M , Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China,Peoples R China
部门归属: [Li, M] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China; [Li, M; Li, XD; Wang, S; Zhang, X] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, 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; [Wang, Y] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada; [Zhang, X] Northeastern Univ, Coll Sci, Dept Phys, Shenyang 110004, Peoples R China
英文摘要: In this paper we place observational constraints on the interaction and spatial curvature in the holographic dark energy model. We consider three kinds of phenomenological interactions between holographic dark energy and matter, i.e., the interaction term Q is proportional to the energy densities of dark energy (rho(A)), matter (p(m)), and matter plus dark energy (p(m) + p(A)). For probing the interaction and spatial curvature in the holographic dark energy model, we use the latest observational data including the type la supernovae (SNIa) Constitution data, 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). Our results show that, the interaction and spatial curvature in the holographic dark energy model are both rather small. Besides, it is interesting to find that there exists significant degeneracy between the phenomenological interaction and the spatial curvature in the holographic dark energy model.
资助者: Natural Science Foundation of China[107105041, 10821504, 10975032, 10975172]; Ministry of Science and Technology[2007CB815401]; University of Science and Technology of China
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000273314300012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5206
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Li, Miao,Li, Xiao-Dong,Wang, Shuang,et al. Probing interaction and spatial curvature in the holographic dark energy model[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2009(12):-.
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