ITP OpenIR  > SCI期刊论文
Wang, Yi-Fan; Huang, Qing-Guo; Li, Tjonnie G. F.; Liao, Shihong7
Searching for primordial black holes with stochastic gravitational-wave background in the space-based detector frequency band
Source PublicationPHYSICAL REVIEW D
Language英语
KeywordDARK-MATTER HALOES EVOLUTION
AbstractAssuming that primordial black holes compose a fraction of dark matter, some of them may accumulate at the center of galaxy and perform a prograde or retrograde orbit against the gravity pointing towards the center exerted by the central massive black hole. If the mass of primordial black holes is of the order of stellar mass or smaller, such extreme mass ratio inspirals can emit gravitational waves and form a background due to incoherent superposition of all the contributions of the Universe. We investigate the stochastic gravitational-wave background energy density spectra from the directional source, the primordial black holes surrounding Sagittarius A* of the Milky Way, and the isotropic extragalactic total contribution, respectively. As will be shown, the resultant stochastic gravitational-wave background energy density shows different spectrum features such as the peak positions in the frequency domain for the above two kinds of sources. Detection of stochastic gravitational-wave background with such a feature may provide evidence for the existence of primordial black holes. Conversely, a null searching result can put constraints on the abundance of primordial black holes in dark matter.
2020
ISSN2470-0010
Volume101Issue:6Pages:63019
Cooperation Status国际
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.101.063019
Indexed BySCIE
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27086
CollectionSCI期刊论文
Affiliation1.Albert Einstein Inst, Max Planck Inst Gravitationsphys, D-30167 Hannover, Germany
2.Leibniz Univ Hannover, D-30167 Hannover, Germany
3.Wang, Yi-Fan; Li, Tjonnie G. F.] Chinese Univ Hong Kong, Dept Phys, Shatin, Hong Kong, Peoples R China
4.Chinese Acad Sci, CAS Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
5.Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
6.Yangzhou Univ, Ctr Gravitat & Cosmol, Coll Phys Sci & Technol, 88 South Univ Ave, Yangzhou 225009, Jiangsu, Peoples R China
7.Hunan Normal Univ, Synerget Innovat Ctr Quantum Effects & Applicat, 36 Lushan Lu, Changsha 410081, Peoples R China
8.Chinese Acad Sci, Natl Astron Observ, Key Lab Computat Astrophys, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yi-Fan,Huang, Qing-Guo,Li, Tjonnie G. F.,et al. Searching for primordial black holes with stochastic gravitational-wave background in the space-based detector frequency band[J]. PHYSICAL REVIEW D,2020,101(6):63019.
APA Wang, Yi-Fan,Huang, Qing-Guo,Li, Tjonnie G. F.,&Liao, Shihong.(2020).Searching for primordial black holes with stochastic gravitational-wave background in the space-based detector frequency band.PHYSICAL REVIEW D,101(6),63019.
MLA Wang, Yi-Fan,et al."Searching for primordial black holes with stochastic gravitational-wave background in the space-based detector frequency band".PHYSICAL REVIEW D 101.6(2020):63019.
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