ITP OpenIR  > SCI期刊论文
Bian, Ligong; Cai, Rong-Gen; Liu, Jing3; Yang, Xing-Yu; Zhou, Ruiyu
Evidence for different gravitational-wave sources in the NANOGrav dataset
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractThe NANOGrav Collaboration recently reported a strong evidence for a stochastic common-spectrum process in the pulsar-timing data. We evaluate the evidence of interpreting this process as mergers of super massive black hole binaries and/or various stochastic gravitational-wave background sources in the early Universe, including first-order phase transitions, cosmic strings, domain walls, and large amplitude curvature perturbations. We discuss the implications of the constraints on these possible sources. It is found that the data shows a positive evidence in favor of the cosmic strings against other gravitational-wave sources based on the Bayes factor analysis.
2021
ISSN2470-0010
Volume103Issue:8Pages:L081301
Cooperation Status国内
Subject AreaAstronomy & Astrophysics ; Physics
MOST Discipline CatalogueAstronomy & Astrophysics ; Physics, Particles & Fields
DOI10.1103/PhysRevD.103.L081301
Indexed BySCIE
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/27320
CollectionSCI期刊论文
Affiliation1.Chongqing Univ, Dept Phys, Chongqing 401331, Peoples R China
2.Chinese Acad Sci, Inst Theoret Phys, CAS Key Lab Theoret Phys, POB 2735, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Sch Phys Sci, 19A Yuquan Rd, Beijing 100049, Peoples R China
4.Univ Chinese Acad Sci, Sch Fundamental Phys & Math Sci, Hangzhou Inst Adv Study, Hangzhou 310024, Peoples R China
Recommended Citation
GB/T 7714
Bian, Ligong,Cai, Rong-Gen,Liu, Jing,et al. Evidence for different gravitational-wave sources in the NANOGrav dataset[J]. PHYSICAL REVIEW D,2021,103(8):L081301.
APA Bian, Ligong,Cai, Rong-Gen,Liu, Jing,Yang, Xing-Yu,&Zhou, Ruiyu.(2021).Evidence for different gravitational-wave sources in the NANOGrav dataset.PHYSICAL REVIEW D,103(8),L081301.
MLA Bian, Ligong,et al."Evidence for different gravitational-wave sources in the NANOGrav dataset".PHYSICAL REVIEW D 103.8(2021):L081301.
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