ITP OpenIR  > SCI期刊论文
Gong, Yungui; Wang, Anzhong; Wu, Qiang; Zhang, Yuan-Zhong; Gong, YG , Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China
Direct evidence of acceleration from a distance modulus-redshift graph
Source PublicationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
KeywordDark Energy Cosmological Constant Cosmic Acceleration Supernova Constraints Universe Model Probe Reconstruction Quintessence
AbstractThe energy conditions give upper bounds on the luminosity distance. We apply these upper bounds to the 192 ESSENCE supernova Ia data to show that the Universe has experienced accelerated expansion. This conclusion is drawn directly from the distance modulus - redshift graph. In addition to being a very simple method, this method is also totally independent of any cosmological model. From the degeneracy of the distance modulus at low redshift, we argue that the choice of omega(0) for probing the property of dark energy is misleading. One explicit example is used to support this argument.
2007
ISSN1475-7516
Issue8Pages:-
Subject AreaPhysics
Indexed BySCI
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Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5685
CollectionSCI期刊论文
Corresponding AuthorGong, YG , Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China
Recommended Citation
GB/T 7714
Gong, Yungui,Wang, Anzhong,Wu, Qiang,et al. Direct evidence of acceleration from a distance modulus-redshift graph[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2007(8):-.
APA Gong, Yungui,Wang, Anzhong,Wu, Qiang,Zhang, Yuan-Zhong,&Gong, YG , Chongqing Univ Posts & Telecommun, Coll Elect Engn, Chongqing 400065, Peoples R China.(2007).Direct evidence of acceleration from a distance modulus-redshift graph.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(8),-.
MLA Gong, Yungui,et al."Direct evidence of acceleration from a distance modulus-redshift graph".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .8(2007):-.
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