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The Landau level-superfluid modified factor and the overal soft X/gamma-ray efficiency coefficient of a magnetar
Gao, Z. F.1,2,3; Peng, Q. H.4,5; Wang, N.1,2; Chou, C. K.6; Huo, W. S.7,8
2011-12-01
Source PublicationASTROPHYSICS AND SPACE SCIENCE
Volume336Issue:2Pages:427-439
Contribution Rank1
AbstractAs soon as the energies of electrons near the Fermi surface exceed Q, the threshold energy of inverse beta-decay, electron capture (EC) dominates inside a neutron star. The high-energy neutrons released by EC will destroy anisotropic (3) P (2) neutron Cooper pairs in the degenerate superfluid. By colliding with the neutrons produced in the process n+(na dagger na dagger")-> n+n+n, the kinetic energies of the neutrons released by EC will be transformed into thermal energy. A portion of this thermal energy will be transported from the star interior to the star surface by conduction, then converted to a thermal spectrum of soft X-rays and gamma-rays. By introducing two important parameters: the Landau level-superfluid modified factor and the overal soft X/gamma-ray efficiency coefficient, we compute the theoretical luminosity L (X) of a magnetar under our model and plot a diagram of L (X) as a function of magnetic field strength B. Numerical calculations based on our model agree well with the observed properties of magnetar candidates.
KeywordMagnetar Landau Levels Electron Capture Neutron Star Fermi Energy
SubtypeArticle
DOI10.1007/s10509-011-0791-x
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS KeywordXMM-NEWTON OBSERVATIONS ; X-RAY ; NEUTRON-STARS ; PULSAR XTE-J1810-197 ; GAMMA-REPEATERS ; FIELD-DECAY ; SUPERNOVA MODELS ; RADIO-EMISSION ; XTE J1810-197 ; LIGHT-CURVE
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000297359900016
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xao.ac.cn/handle/45760611-7/839
Collection射电天文研究室_脉冲星研究团组
射电天文研究室
其它
Corresponding AuthorGao, Z. F.
Affiliation1.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi Xinjiang 830011, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
4.Nanjing Univ, Dept Astron, Nanjing 210093, Peoples R China
5.Nanjing Univ, Minist Educ, Key Lab Astron & Astrophys, Nanjing 210093, Peoples R China
6.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
7.Xinjiang Univ, Sch Phys, Urumqi Xinjiang 830011, Peoples R China
8.Xinjiang Univ, Natl Astron Observ, Joint Ctr Astrophys, Urumqi Xinjiang 830011, Peoples R China
First Author AffilicationXinjiang Astronomical Observatory, Chinese Academy of Sciences
Corresponding Author AffilicationXinjiang Astronomical Observatory, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Gao, Z. F.,Peng, Q. H.,Wang, N.,et al. The Landau level-superfluid modified factor and the overal soft X/gamma-ray efficiency coefficient of a magnetar[J]. ASTROPHYSICS AND SPACE SCIENCE,2011,336(2):427-439.
APA Gao, Z. F.,Peng, Q. H.,Wang, N.,Chou, C. K.,&Huo, W. S..(2011).The Landau level-superfluid modified factor and the overal soft X/gamma-ray efficiency coefficient of a magnetar.ASTROPHYSICS AND SPACE SCIENCE,336(2),427-439.
MLA Gao, Z. F.,et al."The Landau level-superfluid modified factor and the overal soft X/gamma-ray efficiency coefficient of a magnetar".ASTROPHYSICS AND SPACE SCIENCE 336.2(2011):427-439.
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