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A dark energy model characterized by the age of the universe
Cai, Rong-Gen; Cai, RG , Chinese Acad Sci, Inst Theoret Phys, PO BOx 2735, Beijing 100080, Peoples R China
2007
发表期刊PHYSICS LETTERS B
ISSN0370-2693
卷号657期号:41004页码:228-231
摘要Quantum mechanics together with general relativity leads to the Karolyhazy relation and a corresponding energy density of quantum fluctuations of space-time. Based on the energy density we propose a dark energy model, in which the age of the universe is introduced as the length measure. This dark energy is consistent with astronomical data if the unique numerical parameter in the dark energy model is taken to be a number of order one. The dark energy behaves like a cosmological constant at early time and drives the universe to an eternally accelerated expansion with power-law form at late time. In addition, we point out a subtlety in this kind of dark energy model. (c) 2007 Elsevier B.V. All rights reserved.
部门归属[Cai, RG] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Cosmological Constant Space-time Supernovae
学科领域Physics
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收录类别SCI
WOS记录号WOS:000251753100011
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被引频次:318[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/311006/5617
专题理论物理所1978-2010年知识产出
通讯作者Cai, RG , Chinese Acad Sci, Inst Theoret Phys, PO BOx 2735, Beijing 100080, Peoples R China
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Cai, Rong-Gen,Cai, RG , Chinese Acad Sci, Inst Theoret Phys, PO BOx 2735, Beijing 100080, Peoples R China. A dark energy model characterized by the age of the universe[J]. PHYSICS LETTERS B,2007,657(41004):228-231.
APA Cai, Rong-Gen,&Cai, RG , Chinese Acad Sci, Inst Theoret Phys, PO BOx 2735, Beijing 100080, Peoples R China.(2007).A dark energy model characterized by the age of the universe.PHYSICS LETTERS B,657(41004),228-231.
MLA Cai, Rong-Gen,et al."A dark energy model characterized by the age of the universe".PHYSICS LETTERS B 657.41004(2007):228-231.
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