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Robust limits on photon mass from statistical samples of extragalactic radio pulsars
Wei, Jun-Jie1,2; Wu, Xue-Feng1,3
2018-07-01
Source PublicationJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
ISSN1475-7516
Issue7Pages:11
Corresponding AuthorWei, Jun-Jie(jjwei@pmo.ac.cn)
AbstractThe photon zero-mass hypothesis has been investigated for a long time using the frequency-dependent time delays of radio emissions from astrophysical sources. However, the search for a rest mass of the photon has been hindered by the similarity between the frequency-dependent dispersions due to the plasma and nonzero photon mass effects. Considering the contributions to the observed dispersion measure from both the plasma and nonzero photon mass effects, and assuming the dispersion induced by the plasma effect is an unknown constant, we obtain a robust limit on the photon mass by directly fitting a combination of the dispersion measures of radio sources. Using the observed dispersion measures from two statistical samples of extragalactic pulsars, here we show that at the 68% confidence level, the constraints on the photon mass can be as low as m(gamma) <= 1.51 x 10(-48) kg similar or equal to 8.47 x 10(-13) eV/c(2) for the sample of 22 radio pulsars in the Large Magellanic Cloud and m(gamma) <= 1.58 x 10(-48) kg similar or equal to 8.86 x 10(-13) eV/c(2) for the other sample of 5 radio pulsars in the Small Magellanic Cloud, which are comparable with that obtained by a single extragalactic pulsar. Furthermore, the statistical approach presented here can also be used when more fast radio bursts with known redshifts are detected in the future.
Keywordradio pulsars intergalactic media
DOI10.1088/1475-7516/2018/07/045
WOS KeywordLARGE-MAGELLANIC-CLOUD ; LIGHT ; DISCOVERY ; VELOCITY ; BURSTS ; LAW
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000439590200001
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/32575
Collection中国科学院紫金山天文台
Corresponding AuthorWei, Jun-Jie
Affiliation1.Chinese Acad Sci, Purple Mt Observ, 8 Yuanhua Rd, Nanjing 210034, Jiangsu, Peoples R China
2.Guangxi Univ, Guangxi Key Lab Relativist Astrophys, 100 East Daxue Rd, Nanning 530004, Jiangsu, Peoples R China
3.Univ Sci & Technol China, Sch Astron & Space Sci, 96 JinZhai Rd, Hefei 230026, Anhui, Peoples R China
Recommended Citation
GB/T 7714
Wei, Jun-Jie,Wu, Xue-Feng. Robust limits on photon mass from statistical samples of extragalactic radio pulsars[J]. JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS,2018(7):11.
APA Wei, Jun-Jie,&Wu, Xue-Feng.(2018).Robust limits on photon mass from statistical samples of extragalactic radio pulsars.JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS(7),11.
MLA Wei, Jun-Jie,et al."Robust limits on photon mass from statistical samples of extragalactic radio pulsars".JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS .7(2018):11.
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