Reconstructing the temporal evolution of the speed of light in a flat FRW Universe

doi:10.1088/1674-4527/19/10/152

CORC > 国家天文台 > 中国科学院国家天文台

	Reconstructing the temporal evolution of the speed of light in a flat FRW Universe
	Wang, Dan-Dan 1,2; Zhang, Han-Yu 3; Zheng, Jing-Lan 1,2; Wang, Yu-Ting 1; Zhao, Gong-Bo 1,4,5
刊名	RESEARCH IN ASTRONOMY AND ASTROPHYSICS
	2019-10-01
卷号	19 期号:10 页码:7
关键词	cosmology dark energy large scale structure
ISSN号	1674-4527
DOI	10.1088/1674-4527/19/10/152
英文摘要	We present a novel method to reconstruct the temporal evolution of the speed of light c(z) in a flat Friedmann-Robertson-Walker (FRW) Universe using astronomical observations. After validating our pipeline with mock datasets, we apply our method to the latest baryon acoustic oscillations (BAO) and supernovae observations, and reconstruct c(z) in the redshift range of z. [0, 1.5]. We find no evidence of a varying speed of light, althoughwe see some interesting features of c(z), the fractional difference between c(z) and c0 (the speed of light in the International System of Units), e.g., c(z) < 0 and c(z) > 0 at 0.2. z. 0.5 and 0.8. z. 1.3, respectively, although the significance of these features is currently far below statistical importance.
资助项目	National Key Basic Research and Development Program of China[2018YFA0404503] ; National Basic Research Program of China (973 Program)[2015CB857004] ; National Natural Science Foundation of China[11720101004] ; National Natural Science Foundation of China[11673025] ; CAS Interdisciplinary Innovation Team Fellowship
WOS关键词	GALAXIES ; SAMPLE
WOS研究方向	Astronomy & Astrophysics
语种	英语
出版者	NATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
WOS记录号	WOS:000505165600015
资助机构	National Key Basic Research and Development Program of China ; National Key Basic Research and Development Program of China ; National Basic Research Program of China (973 Program) ; National Basic Research Program of China (973 Program) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Interdisciplinary Innovation Team Fellowship ; CAS Interdisciplinary Innovation Team Fellowship ; National Key Basic Research and Development Program of China ; National Key Basic Research and Development Program of China ; National Basic Research Program of China (973 Program) ; National Basic Research Program of China (973 Program) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Interdisciplinary Innovation Team Fellowship ; CAS Interdisciplinary Innovation Team Fellowship ; National Key Basic Research and Development Program of China ; National Key Basic Research and Development Program of China ; National Basic Research Program of China (973 Program) ; National Basic Research Program of China (973 Program) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Interdisciplinary Innovation Team Fellowship ; CAS Interdisciplinary Innovation Team Fellowship ; National Key Basic Research and Development Program of China ; National Key Basic Research and Development Program of China ; National Basic Research Program of China (973 Program) ; National Basic Research Program of China (973 Program) ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; CAS Interdisciplinary Innovation Team Fellowship ; CAS Interdisciplinary Innovation Team Fellowship
内容类型	期刊论文
源URL	[http://ir.bao.ac.cn/handle/114a11/53935]
专题	中国科学院国家天文台
通讯作者	Zhao, Gong-Bo
作者单位	1.Chinese Acad Sci, Natl Astron Observ, Beijing 100101, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Kansas State Univ, Dept Phys, 116 Cardwell Hall, Manhattan, KS 66506 USA 4.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China 5.Univ Portsmouth, Inst Cosmol & Gravitat, Portsmouth PO1 3FX, Hants, England
推荐引用方式 GB/T 7714	Wang, Dan-Dan,Zhang, Han-Yu,Zheng, Jing-Lan,et al. Reconstructing the temporal evolution of the speed of light in a flat FRW Universe[J]. RESEARCH IN ASTRONOMY AND ASTROPHYSICS,2019,19(10):7.
APA	Wang, Dan-Dan,Zhang, Han-Yu,Zheng, Jing-Lan,Wang, Yu-Ting,&Zhao, Gong-Bo.(2019).Reconstructing the temporal evolution of the speed of light in a flat FRW Universe.RESEARCH IN ASTRONOMY AND ASTROPHYSICS,19(10),7.
MLA	Wang, Dan-Dan,et al."Reconstructing the temporal evolution of the speed of light in a flat FRW Universe".RESEARCH IN ASTRONOMY AND ASTROPHYSICS 19.10(2019):7.