ITP OpenIR  > 理论物理所2012年知识产出
Revisit of the interaction between holographic dark energy and dark matter
Zhang, ZH; Li, S; Li, XD; Zhang, X; Li, M; Zhang, ZH (reprint author), Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Peoples R China.
2012
发表期刊JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
ISSN1475-7516
期号6页码:9
摘要In this paper we investigate the possible direct, non-gravitational interaction between holographic dark energy (HDE) and dark matter. Firstly, we start with two simple models with the interaction terms Q proportional to rho(dm) and Q proportional to rho(de), and then we move on to the general form Q proportional to rho(alpha)(m)rho(beta)(de). The cosmological constraints of the models are obtained from the joint analysis of the present Union 2.1+BAO+CMB+H-0 data. We find that the data slightly favor an energy flow from dark matter to dark energy, although the original HDE model still lies in the 95.4% confidence level (CL) region. For all models we find c < 1 at the 95.4% CL. We show that compared with the cosmic expansion, the effect of interaction on the evolution of rho(dm) and rho(de) is smaller, and the relative increment (decrement) amount of the energy in the dark matter component is constrained to be less than 9% (15%) at the 95.4% CL. By introducing the interaction, we find that even when c < 1 the big rip still can be avoided due to the existence of a de Sitter solution at z -> -1. We show that this solution cannot be accomplished in the two simple models, while for the general model such a solution can be achieved with a large beta, and the big rip may be avoided at the 95.4% CL.
部门归属[Zhang, Zhenhui; Li, Xiao-Dong] Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Peoples R China; [Zhang, Zhenhui; Li, Song; Li, Xiao-Dong; Li, Miao] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Li, Song; Li, Xiao-Dong; Li, Miao] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China; [Li, Song; Li, Miao] Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Beijing 100190, Peoples R China; [Li, Xiao-Dong] Univ Sci & Technol China, Interdisciplinary Ctr Theoret Study, Hefei 230026, Peoples R China; [Zhang, Xin] Northeastern Univ, Coll Sci, Dept Phys, Shenyang 110004, Peoples R China; [Zhang, Xin] Peking Univ, Ctr High Energy Phys, Beijing 100080, Peoples R China
关键词Probe Wmap Observations Baryon Acoustic-oscillations Hubble-space-telescope Brans-dicke Theory Digital Sky Survey Cosmological Constant Black-holes Accelerating Universe Data Release Model
学科领域Physics
资助者NSFC [10535060, 10975172, 10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001]; 973 program of the Ministry of Science and Technology of China [2007CB815401] ; NSFC [10535060, 10975172, 10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001]; 973 program of the Ministry of Science and Technology of China [2007CB815401] ; NSFC [10535060, 10975172, 10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001]; 973 program of the Ministry of Science and Technology of China [2007CB815401] ; NSFC [10535060, 10975172, 10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001]; 973 program of the Ministry of Science and Technology of China [2007CB815401]
URL查看原文
收录类别SCI
语种英语
资助者NSFC [10535060, 10975172, 10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001]; 973 program of the Ministry of Science and Technology of China [2007CB815401] ; NSFC [10535060, 10975172, 10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001]; 973 program of the Ministry of Science and Technology of China [2007CB815401] ; NSFC [10535060, 10975172, 10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001]; 973 program of the Ministry of Science and Technology of China [2007CB815401] ; NSFC [10535060, 10975172, 10821504, 10705041, 10975032, 11175042]; National Ministry of Education of China [NCET-09-0276, N100505001]; 973 program of the Ministry of Science and Technology of China [2007CB815401]
WOS记录号WOS:000306003500009
引用统计
被引频次:26[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/311006/15085
专题理论物理所2012年知识产出
通讯作者Zhang, ZH (reprint author), Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Peoples R China.
推荐引用方式
GB/T 7714
Zhang, ZH,Li, S,Li, XD,et al. Revisit of the interaction between holographic dark energy and dark matter[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2012(6):9.
APA Zhang, ZH,Li, S,Li, XD,Zhang, X,Li, M,&Zhang, ZH .(2012).Revisit of the interaction between holographic dark energy and dark matter.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(6),9.
MLA Zhang, ZH,et al."Revisit of the interaction between holographic dark energy and dark matter".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .6(2012):9.
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