ITP OpenIR  > 理论物理所科研产出  > SCI期刊论文
Li, XD; Wang, S; Huang, QG; Zhang, X; Li, M; Zhang, X (reprint author), Northeastern Univ, Dept Phys, Coll Sci, Shenyang 110004, Peoples R China.
Dark energy and fate of the Universe
Source PublicationSCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
Language英语
KeywordSupernova Legacy Survey Hubble-space-telescope Dynamics Parametrizations Constraints
AbstractWe explore the ultimate fate of the Universe by using a divergence-free parametrization for dark energy w(z)=w (0)+w (a) [ln(2 + z) / (1 + z) - ln 2]. Unlike the Chevallier-Polarski-Linder parametrization, this parametrization has well behaved, bounded behavior for both high redshifts and negative redshifts, and thus can genuinely cover many theoretical dark energy models. After constraining the parameter space of this parametrization by using the current cosmological observations, we find that, at the 95.4% confidence level, our Universe can still exist at least 16.7 Gyr before it ends in a big rip. Moreover, for the phantom energy dominated Universe, we find that a gravitationally bound system will be destroyed at a time , where P is the period of a circular orbit around this system, before the big rip.
2012
ISSN1674-7348
Volume55Issue:7Pages:1330-1334
Subject AreaPhysics
Indexed BySCI
Funding OrganizationProject of Knowledge Innovation Program of Chinese Academy of Sciences; National Natural Science Foundation of China [11105053, 10705041, 10975032, 11175042, 10535060, 10975172, 10821504]; National Ministry of Education of China [NCET-09-0276, N100505001]; National Basic Research Program of China [2007CB815401] ; Project of Knowledge Innovation Program of Chinese Academy of Sciences; National Natural Science Foundation of China [11105053, 10705041, 10975032, 11175042, 10535060, 10975172, 10821504]; National Ministry of Education of China [NCET-09-0276, N100505001]; National Basic Research Program of China [2007CB815401] ; Project of Knowledge Innovation Program of Chinese Academy of Sciences; National Natural Science Foundation of China [11105053, 10705041, 10975032, 11175042, 10535060, 10975172, 10821504]; National Ministry of Education of China [NCET-09-0276, N100505001]; National Basic Research Program of China [2007CB815401] ; Project of Knowledge Innovation Program of Chinese Academy of Sciences; National Natural Science Foundation of China [11105053, 10705041, 10975032, 11175042, 10535060, 10975172, 10821504]; National Ministry of Education of China [NCET-09-0276, N100505001]; National Basic Research Program of China [2007CB815401]
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Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15074
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorZhang, X (reprint author), Northeastern Univ, Dept Phys, Coll Sci, Shenyang 110004, Peoples R China.
Recommended Citation
GB/T 7714
Li, XD,Wang, S,Huang, QG,et al. Dark energy and fate of the Universe[J]. SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,2012,55(7):1330-1334.
APA Li, XD,Wang, S,Huang, QG,Zhang, X,Li, M,&Zhang, X .(2012).Dark energy and fate of the Universe.SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY,55(7),1330-1334.
MLA Li, XD,et al."Dark energy and fate of the Universe".SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY 55.7(2012):1330-1334.
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