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题名: A modified holographic dark energy model with infrared infinite extra dimension(s)
作者: Gong, Yungui ;  Li, Tianjun
刊名: PHYSICS LETTERS B
出版日期: 2010
卷号: 683, 期号:41004, 页码:241-247
关键词: PROBE WMAP OBSERVATIONS ;  HUBBLE-SPACE-TELESCOPE ;  HIGH-REDSHIFT SUPERNOVAE ;  YANG-MILLS CONDENSATE ;  DIGITAL SKY SURVEY ;  COSMOLOGICAL CONSTANT ;  STATEFINDER DIAGNOSIS ;  BLACK-HOLES ;  CONSTRAINTS ;  QUINTESSENCE
学科分类: Physics
通讯作者: Gong, YG , Chongqing Univ Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China
部门归属: [Gong, YG] Chongqing Univ Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China; [Gong, YG; Li, TJ] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China; [Li, TJ] Chinese Acad Sci, Inst Theoret Phys, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China; [Li, TJ] Texas A&M Univ, George P & Cynthia W Mitchell Inst Fundamental Ph, College Stn, TX 77843 USA
英文摘要: We propose a modified holographic dark energy (MHDE) model with the Hubble scale as the infrared (IR) cutoff. Introducing the infinite extra dimension(s) at very large distance scale, we consider the black hole mass in higher dimensions as the ultraviolet cutoff. Thus, we can probe the effects of the IR infinite extra dimension(s). As a concrete example, we consider the Dvali-Gabadadze-Porrati (DGP) model and its generalization. We find that the DGP model is dual to the MHDE model in five dimensions, and the ACDM model is dual to the MHDE model in six dimensions. Fitting the MHDE model to the observational data, we obtain that Omega m0 = 0.269(-0.027)(+0.030), Omega k0 = 0.003-(+0.011)(0.012),and the number of the spatial dimensions is N = 4.78(-0.44)(+0.68). The best fit value of N implies that there might exist two IR infinite extra dimensions. (C) 2009 Elsevier B.V. All rights reserved.
资助者: 973 Program[2010CB833004]; National Natural Science Foundation of China[10935013, 10821504]; Chongqing Science and Technology Commission[2009BA4050]; Cambridge-Mitchell Collaboration in Theoretical Cosmology; Chinese Academy of Sciences[KJCX3-SYW-N2]; Project of Knowledge Innovation Program (PKIP) of the Chinese Academy of Sciences[KJCX2.YW.W10]
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000274502900001
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内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5175
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Gong, Yungui,Li, Tianjun. A modified holographic dark energy model with infrared infinite extra dimension(s)[J]. PHYSICS LETTERS B,2010,683(41004):241-247.
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