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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
Source PublicationPHYSICS LETTERS B
KeywordCosmological Constant Space-time Supernovae
AbstractQuantum 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.
2007
ISSN0370-2693
Volume657Issue:41004Pages:228-231
Subject AreaPhysics
Indexed BySCI
Citation statistics
Cited Times:343[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5617
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorCai, RG , Chinese Acad Sci, Inst Theoret Phys, PO BOx 2735, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
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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