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Fast radio bursts from primordial black hole binaries coalescence
Deng, Can-Min1,2; Cai, Yifu2,3; Wu, Xue-Feng1,2; Liang, En-Wei4,5
2018-12-20
Source PublicationPHYSICAL REVIEW D
ISSN2470-0010
Volume98Issue:12Pages:7
Corresponding AuthorDeng, Can-Min(dengcm@pmo.ac.cn) ; Cai, Yifu(yifucai@ustc.edu.cn) ; Wu, Xue-Feng(xfwu@pmo.ac.cn) ; Liang, En-Wei(lew@gxu.edu.cn)
AbstractIn this paper we propose a model in which the coalescence of primordial black hole (PBHs) binaries with equal mass M similar to 10(28) g can emit luminous gigahertz (GHz) radio transient, which may be candidate sources for the observed fast radio bursts (FRBs), if at least one black hole holds an appropriate amount of net electric charge Q. Using a dimensionless quantity for the charge q = Q/root GM, our analyses infer that q similar to O(10(-4.5)) can explain the FRBs with released energy of order O(10(40)) ergs. With the current sample of FRBs and assuming a distribution of charge phi(q) for all PBHs, we can deduce that its form is proportional to q(-3.0 +/- 0.1) for q >= 7.2 x 10(-5) if PBHs are sources of the observed FRBs. Furthermore, with the proposed hypothetical scenario and by estimating the local event rate of FRBs similar to 2.6 x 10(3) Gpc(-3) yr(-1), one derives a lower bound for the fraction of PBHs (at the mass of 10(28) g) against that of matter, f(PBH) (10(28) g) greater than or similar to 10(-5), needed to explain the rate. With this inspiring estimate, we expect that future observations of FRBs can help us to falsify their physical origins from the PBH binaries coalescences. In the future, the gravitational waves produced by mergers of small black holes will be detected by high frequency gravitational wave detectors. We believe that this work will be a useful addition to the current literature on multimessenger astronomy and cosmology.
DOI10.1103/PhysRevD.98.123016
WOS KeywordGRAVITATIONAL-WAVES ; ELECTRIC CHARGE ; RADIATION ; DETECTOR ; LIMITS
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000454171300001
PublisherAMER PHYSICAL SOC
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/20497
Collection中国科学院紫金山天文台
Corresponding AuthorDeng, Can-Min; Cai, Yifu; Wu, Xue-Feng; Liang, En-Wei
Affiliation1.Chinese Acad Sci, Purple Mt Observ, Nanjing 210008, Jiangsu, Peoples R China
2.Univ Sci & Technol China, Sch Astron & Space Sci, Hefei 230026, Anhui, Peoples R China
3.Univ Sci & Technol China, Dept Astron, CAS Key Lab Res Galaxies & Cosmol, Hefei 230026, Anhui, Peoples R China
4.Guangxi Univ, Dept Phys, GXU NAOC Ctr Astrophys & Space Sci, Nanning 530004, Peoples R China
5.Guangxi Key Lab Relativist Astrophys, Nanning 530004, Peoples R China
Recommended Citation
GB/T 7714
Deng, Can-Min,Cai, Yifu,Wu, Xue-Feng,et al. Fast radio bursts from primordial black hole binaries coalescence[J]. PHYSICAL REVIEW D,2018,98(12):7.
APA Deng, Can-Min,Cai, Yifu,Wu, Xue-Feng,&Liang, En-Wei.(2018).Fast radio bursts from primordial black hole binaries coalescence.PHYSICAL REVIEW D,98(12),7.
MLA Deng, Can-Min,et al."Fast radio bursts from primordial black hole binaries coalescence".PHYSICAL REVIEW D 98.12(2018):7.
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