NAOC Open IR
NANOGrav signal from first-order confinement-deconfinement phase transition in different QCD-matter scenarios
Li, Shou-Long1,2; Shao, Lijing3,4; Wu, Puxun1,2; Yu, Hongwei1,2
2021-08-05
Source PublicationPHYSICAL REVIEW D
ISSN2470-0010
Volume104Issue:4Pages:6
AbstractRecently, an indicative evidence of a stochastic process, reported by the NANOGrav Collaboration based on the analysis of 12.5-year pulsar timing array data which might be interpreted as a potential stochastic gravitational wave signal, has aroused the keen interest of theorists. The first-order color charge confinement phase transition at the QCD scale could be one of the cosmological sources for the NANOGrav signal. If the phase transition is flavor dependent and happens sequentially, it is important to find that what kind of QCD matter in which the first-order confinement-deconfinement phase transition happens is more likely to be the potential source of the NANOGrav signal during the evolution of the universe. In this paper, we would like to illustrate that the NANOGrav signal could be generated from confinement-deconfinement transition in either heavy static quarks with a zero baryon chemical potential, or quarks with a finite baryon chemical potential. In contrast, the gluon confinement could not possibly be the source for the NANOGrav signal according to the current observation. Future observation will help to distinguish between different scenarios.
Funding OrganizationNSFC ; NSFC ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National SKA Program of China ; National SKA Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society ; NSFC ; NSFC ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National SKA Program of China ; National SKA Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society ; NSFC ; NSFC ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National SKA Program of China ; National SKA Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society ; NSFC ; NSFC ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National SKA Program of China ; National SKA Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society
DOI10.1103/PhysRevD.104.043510
WOS KeywordGRAVITATIONAL-RADIATION ; WAVES ; BUBBLES
Language英语
Funding ProjectNSFC[11947216] ; NSFC[11690034] ; NSFC[11805063] ; NSFC[11775077] ; NSFC[12075084] ; China Postdoctoral Science Foundation[2019M662785] ; National SKA Program of China[2020SKA0120300] ; National Natural Science Foundation of China[11975027] ; National Natural Science Foundation of China[11991053] ; National Natural Science Foundation of China[11721303] ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology[2018QNRC001] ; Max Planck Partner Group Program - Max Planck Society
Funding OrganizationNSFC ; NSFC ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National SKA Program of China ; National SKA Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society ; NSFC ; NSFC ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National SKA Program of China ; National SKA Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society ; NSFC ; NSFC ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National SKA Program of China ; National SKA Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society ; NSFC ; NSFC ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National SKA Program of China ; National SKA Program of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Young Elite Scientists Sponsorship Program by the China Association for Science and Technology ; Max Planck Partner Group Program - Max Planck Society ; Max Planck Partner Group Program - Max Planck Society
WOS Research AreaAstronomy & Astrophysics ; Physics
WOS SubjectAstronomy & Astrophysics ; Physics, Particles & Fields
WOS IDWOS:000681427400005
PublisherAMER PHYSICAL SOC
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Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/76197
Collection中国科学院国家天文台
Corresponding AuthorYu, Hongwei
Affiliation1.Hunan Normal Univ, Dept Phys, Changsha 410081, Peoples R China
2.Hunan Normal Univ, Synerget Innovat Ctr Quantum Effect & Applicat, Changsha 410081, Peoples R China
3.Peking Univ, Kavli Inst Astron & Astrophys, Beijing 100871, Peoples R China
4.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
Recommended Citation
GB/T 7714
Li, Shou-Long,Shao, Lijing,Wu, Puxun,et al. NANOGrav signal from first-order confinement-deconfinement phase transition in different QCD-matter scenarios[J]. PHYSICAL REVIEW D,2021,104(4):6.
APA Li, Shou-Long,Shao, Lijing,Wu, Puxun,&Yu, Hongwei.(2021).NANOGrav signal from first-order confinement-deconfinement phase transition in different QCD-matter scenarios.PHYSICAL REVIEW D,104(4),6.
MLA Li, Shou-Long,et al."NANOGrav signal from first-order confinement-deconfinement phase transition in different QCD-matter scenarios".PHYSICAL REVIEW D 104.4(2021):6.
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