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Applications of the junction conditions connecting the Robertson-Walker metric and the metric of a local system on our universe
Tan YP(覃一平); Qin, YP (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
发表期刊CHINESE PHYSICS LETTERS
2006-03
卷号23期号:3页码:758-761
DOI10.1088/0256-307X/23/3/064
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收录类别SCI
摘要We investigate how the local and global metrics are connected in all ideal model of spacetime where the local system is assumed to be highly symmetric and the cosmological matter is kept away from the local system and does not disturbed by the local system. A boundary condition arising from the junction conditions is obtained and its implication in our universe is studied. We know that the total mass of a sufficiently large system must be that of the cosmological matter within the region of that size. This requirement is satisfied since it is just a consequence of the boundary condition. The analysis shows that at the very late epoch of the universe, there exists a particular time when the largest symmetric local systems stop growing and the observation of this time call be used to check the cosmological parameters. Adopting the popular Values (Omega(M),Omega(Lambda)) = (0.28, 0.72), we find that particular time would be associated with z = 0.726, the effect of dark matter on the clustering of objects would be insignificant, and the Virgo cluster would be gravitationally bound even if dark matter is ignored.
语种英语
学科领域Physics
文章类型Article
ISSN0256-307X
URL查看原文
归档日期2006-02-27
WOS记录号WOS:000235928800064
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
关键词[WOS]HUBBLE-SPACE-TELESCOPE ; COSMOLOGICAL CONSTANT ; SUPERNOVAE ; CONSTRAINTS ; GALAXIES
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/7007
专题星系研究组
通讯作者Qin, YP (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
作者单位National Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, PO Box 110, Kunming 650011
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GB/T 7714
Tan YP,Qin, YP . Applications of the junction conditions connecting the Robertson-Walker metric and the metric of a local system on our universe[J]. CHINESE PHYSICS LETTERS,2006,23(3):758-761.
APA Tan YP,&Qin, YP .(2006).Applications of the junction conditions connecting the Robertson-Walker metric and the metric of a local system on our universe.CHINESE PHYSICS LETTERS,23(3),758-761.
MLA Tan YP,et al."Applications of the junction conditions connecting the Robertson-Walker metric and the metric of a local system on our universe".CHINESE PHYSICS LETTERS 23.3(2006):758-761.
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