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题名: A Generalized Semi-Holographic Universe
作者: Li, H ;  Zhang, HS ;  Zhang, Y
刊名: CHINESE PHYSICS LETTERS
出版日期: 2013
卷号: 30, 期号:8, 页码:89801
关键词: UNIFIED 1ST LAW ;  DARK ENERGY ;  PHANTOM THERMODYNAMICS ;  BLACK-HOLES ;  MODEL ;  CONSTRAINTS ;  PRINCIPLE ;  DYNAMICS ;  VACUUM
学科分类: Physics
通讯作者: Li, H (reprint author), Yantai Univ, Dept Phys, 30 Qingquan Rd, Yantai 264005, Peoples R China.
部门归属: [Li Hui] Yantai Univ, Dept Phys, Yantai 264005, Peoples R China; [Zhang Hong-Sheng] Shanghai Normal Univ, SUCA, Shanghai 200234, Peoples R China; [Zhang Yi] Chongqing Univ Posts & Telecommun, Coll Math & Phys, Chongqing 400065, Peoples R China; [Zhang Hong-Sheng; Zhang Yi] Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China; [Zhang Yi] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA
英文摘要: We study the semi-holographic idea in the context of decaying dark components. The energy flow between dark energy and the compensating dark matter is thermodynamically generalized to involve a particle number variable dark component with non-zero chemical potential. It is found that, unlike the original semi-holographic model, no cosmological constant is needed for a dynamical evolution of the universe. A transient phantom phase appears while a non-trivial dark energy-dark matter scaling solution stays at a later time, which evades the big-rip and helps to resolve the coincidence problem. For reasonable parameters, the deceleration parameter is well consistent with current observations. The original semi-holographic model is extended and it also suggests that the concordance model may be reconstructed from the semi-holographic idea.
资助者: National Natural Science Foundation of China [10747155, 11205131, 11075106, 11005164, 11175270, 10935013]; Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning, Shanghai Municipal Pujiang [10PJ1408100]; CQ CSTC [2010BB0408]; Argonne National Laboratory
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000323733900056
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15305
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Li, H,Zhang, HS,Zhang, Y. A Generalized Semi-Holographic Universe[J]. CHINESE PHYSICS LETTERS,2013,30(8):89801.
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