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Reconstructing the temporal evolution of the speed of light in a flat FRW Universe
Wang, Dan-Dan1,2; Zhang, Han-Yu3; Zheng, Jing-Lan1,2; Wang, Yu-Ting1; Zhao, Gong-Bo1,4,5
2019-10-01
Source PublicationRESEARCH IN ASTRONOMY AND ASTROPHYSICS
ISSN1674-4527
Volume19Issue:10Pages:7
AbstractWe 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.
Keywordcosmology dark energy large scale structure
Funding OrganizationNational 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
DOI10.1088/1674-4527/19/10/152
WOS KeywordGALAXIES ; SAMPLE
Language英语
Funding ProjectNational 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
Funding OrganizationNational 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
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000505165600015
PublisherNATL ASTRONOMICAL OBSERVATORIES, CHIN ACAD SCIENCES
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/53936
Collection中国科学院国家天文台
Corresponding AuthorZhao, Gong-Bo
Affiliation1.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
Recommended Citation
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.
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