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The effects of superhigh magnetic fields on the equations of state of neutron stars
Gao, Z. F.1,2; Wang, N.1; Xu, Y.3; Shan, H.1; Li, X. -D.4
2015-11-01
Source PublicationASTRONOMISCHE NACHRICHTEN
Volume336Issue:8-9Pages:866-870
Contribution Rank1
AbstractBy introducing Dirac's -function in superhigh magnetic fields, we deduce a general formula for the pressure of degenerate and relativistic electrons, P-e, which is suitable for superhigh magnetic fields, discuss the quantization of Landau levels of electrons, and consider the quantum electrodynamic(QED) effects on the equations of states (EOSs) for different matter systems. The main conclusions are as follows: the stronger the magnetic field strength, the higher the electron pressure becomes; compared with a common radio pulsar, a magnetar could be a more compact oblate spheroid-like deformed neutron star due to the anisotropic total pressure; and an increase in the maximum mass of a magnetar is expected because of the positive contribution of the magnetic field energy to the EoS of the star. Since this is an original work in which some uncertainties could exist, modifications and improvements of our theory should be considered in our future studies. ((c) 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
KeywordEquation Of State Dense Matter Magnetic Fields Stars: Neutron
SubtypeArticle
DOI10.1002/asna.201512239
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
Language英语
WOS KeywordIRON-GROUP NUCLEI ; ELECTRON-CAPTURE ; NI-56 ; DECAY ; RAY
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000364913700027
Project Number11173041 ; 11133001 ; 11447165 ; 11373006 ; 11173042
Funding OrganizationXinjiang Natural Science Foundation(2013211A053) ; Chinese National Science Foundation(11273051 ; National Basic Research Program of China grants 973 Programs(2012CB821801) ; Strategic Priority Research Program
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Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xao.ac.cn/handle/45760611-7/896
Collection射电天文研究室_脉冲星研究团组
射电天文研究室
计算机技术应用研究室
其它
Corresponding AuthorGao, Z. F.
Affiliation1.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi 830011, Xinjiang, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, Nanjing 210008, Jiangsu, Peoples R China
3.Chinese Acad Sci, Natl Astron Observ, Changchun Observ, Changchun 130117, Peoples R China
4.Nanjing Univ, Shchool Astron & Space Sci, Nanjing 210046, Jiangshu, 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.,Wang, N.,Xu, Y.,et al. The effects of superhigh magnetic fields on the equations of state of neutron stars[J]. ASTRONOMISCHE NACHRICHTEN,2015,336(8-9):866-870.
APA Gao, Z. F.,Wang, N.,Xu, Y.,Shan, H.,&Li, X. -D..(2015).The effects of superhigh magnetic fields on the equations of state of neutron stars.ASTRONOMISCHE NACHRICHTEN,336(8-9),866-870.
MLA Gao, Z. F.,et al."The effects of superhigh magnetic fields on the equations of state of neutron stars".ASTRONOMISCHE NACHRICHTEN 336.8-9(2015):866-870.
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