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The spin period formation of millisecond pulsar by the torques of accretion and gravitational wave emission
Guo, Y. Q.1,2; Zhang, C. M.1,2; Pan, Y. Y.3
2016-11-01
Source PublicationASTROPHYSICS AND SPACE SCIENCE
ISSN0004-640X
Volume361Issue:11
AbstractWe investigated the spin period evolution of the accreting neutron star (NS) in binary systems, based on the accretion-induced magnetic decay model, while both the accretion spin-up torque and the gravitational wave (GW) emission induced spin-down torque are taken into account. We found that the spin period of millisecond pulsar (MSP) can stop at the value of several milliseconds, if the accretion spin-up torque balances the spin-down torque by the GW radiation. Furthermore, we obtained the minimum spin period of MSP and its relation to the deformation ellipticity of NS that accounts for the NS mass quadrupole moment. The comparisons between the pulsar observations and the model results are discussed in the diagram of magnetic field versus spin period, and the consistency can be obtained.
KeywordStars: Neutron Pulsars: General Gravitational Waves Methods: Analytical
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1007/s10509-016-2948-0
WOS KeywordNEUTRON-STAR DEFORMATION ; X-RAY BINARY ; MAGNETIC-FIELD ; RADIO PULSARS ; EVOLUTION ; RADIATION ; DECAY
Indexed BySCI
Language英语
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000387667500012
PublisherSPRINGER
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Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/24097
Collection中国科学院紫金山天文台
Corresponding AuthorGuo, Y. Q.
Affiliation1.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Beijing 100012, Peoples R China
3.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Guo, Y. Q.,Zhang, C. M.,Pan, Y. Y.. The spin period formation of millisecond pulsar by the torques of accretion and gravitational wave emission[J]. ASTROPHYSICS AND SPACE SCIENCE,2016,361(11).
APA Guo, Y. Q.,Zhang, C. M.,&Pan, Y. Y..(2016).The spin period formation of millisecond pulsar by the torques of accretion and gravitational wave emission.ASTROPHYSICS AND SPACE SCIENCE,361(11).
MLA Guo, Y. Q.,et al."The spin period formation of millisecond pulsar by the torques of accretion and gravitational wave emission".ASTROPHYSICS AND SPACE SCIENCE 361.11(2016).
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