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题名: Extra dimensions and vacuum dark energy models
作者: Chen, CY ;  Shen, YG
刊名: CHINESE PHYSICS LETTERS
出版日期: 2004
卷号: 21, 期号:11, 页码:2320-2322
关键词: COSMOLOGY ;  UNIVERSE
学科分类: Physics
通讯作者: Chen, CY , Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China.
部门归属: Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China; Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: The role of vacuum energy or cosmological constant in cosmology is discussed in a kind of nontrivial higher-dimensional model. Under the framework of Einstein's gravity, we obtain the corresponding equations of motion and find that the cosmological constant and vacuum energy in the full regime does not drive its acceleration, but decelerates the expansion of the universe. The dimension of space is required to be n = 3 if we regard vacuum energy or cosmological constant as the candidate to drive the accelerated expansion of the universe.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000225056300069
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13972
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Chen, CY,Shen, YG. Extra dimensions and vacuum dark energy models[J]. CHINESE PHYSICS LETTERS,2004,21(11):2320-2322.
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