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题名: SNe data analysis in variable speed of light cosmologies without cosmological constant
作者: Zhang, PF ;  Meng, XH
刊名: MODERN PHYSICS LETTERS A
出版日期: 2014
卷号: 29, 期号:24, 页码:1450103
关键词: FINE-STRUCTURE CONSTANT ;  SUPERNOVAE
学科分类: Physics
DOI: 10.1142/S021773231450103X
通讯作者: Zhang, PF (reprint author), Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China.
部门归属: [Zhang, Pengfei ;  Meng, Xinhe] Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China ;  [Meng, Xinhe] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
英文摘要: In this work, we aim to show the possibilities of the variable speed of light (VSL) theory in explaining the type Ia supernovae (SNe) observations without introducing dark energy. The speed of light is assumed to be scale factor-dependent, which is the most popular assumption in VSL theory. We show the modified calculation of the distance modulus and the validity of the redshift-scale factor relation in VSL theory. Three different models of VSL are tested SNe data-sets with proper constraints on the model parameters. The comparison of the three models and flat ACDM in distance modulus is showed. Some basic problems and the difficulties of the confirmation of the VSL theory are also discussed.
资助者: National Natural Science Foundation of China [11075078, 10675062]; Chinese Academy of Sciences (CAS) through the KITPC [KJCX2.YW.W10]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000340606100004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15685
Appears in Collections:理论物理所2014年知识产出 _期刊论文

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Recommended Citation:
Zhang, PF,Meng, XH. SNe data analysis in variable speed of light cosmologies without cosmological constant[J]. MODERN PHYSICS LETTERS A,2014,29(24):1450103.
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