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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.
Source PublicationCHINESE PHYSICS LETTERS
2006-03
Volume23Issue:3Pages:758-761
DOI10.1088/0256-307X/23/3/064
Contribution Rank第1完成单位
Indexed BySCI
AbstractWe 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.
Language英语
Subject AreaPhysics
SubtypeArticle
ISSN0256-307X
URL查看原文
Archive Date2006-02-27
WOS IDWOS:000235928800064
WOS Research AreaPhysics
WOS SubjectPhysics, Multidisciplinary
WOS KeywordHUBBLE-SPACE-TELESCOPE ; COSMOLOGICAL CONSTANT ; SUPERNOVAE ; CONSTRAINTS ; GALAXIES
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Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/7007
Collection星系研究组
Corresponding AuthorQin, YP (reprint author), Chinese Acad Sci, Yunnan Observ, Natl Astron Observ, POB 110, Kunming 650011, Peoples R China.
AffiliationNational Astronomical Observatories/Yunnan Observatory, Chinese Academy of Sciences, PO Box 110, Kunming 650011
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
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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