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The Ohmic decay of dipolar toroidal magnetic fields of magnetars
Gao, Zhi-Fu1,2; Omar, Nurimangul3; Shi, Xiao-Chun3; Wang, Na1
2019-12-16
Source PublicationASTRONOMISCHE NACHRICHTEN
ISSN0004-6337
Volume340Pages:1030-1034
Contribution Rank1
AbstractBy considering the general relativity effect, we calculated the dipolar toroidal magnetic field decay rates and investigated the L-X - L-rot relationship of 22 magnetars with soft X-ray luminosities. It is found that, for magnetars with L-X < L-rot, their observed soft X-ray emissions may come from the rotational energy loss rate, or from magnetosphere flow, and/or from particle wind heating, while for magnetars with L-X > L-rot, the Ohmic decay of crustal toroidal magnetic fields can provide their observed isotropic soft X-ray luminosities and maintain high thermal temperatures.
Keywordmagnetars toroidal magnetic field Ohmic decay
DOI10.1002/asna.201913711
Indexed BySCI
Language英语
Funding ProjectGZNU Doctor Starting Up Foundation[0516134] ; Guizhou Provincial Science Foundation[[2017]7349] ; Chinese National Science Foundation[U1831120] ; Chinese National Science Foundation[11173042] ; National Key R&D Program of China[2018YFA0404602]
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS IDWOS:000503144300001
PublisherWILEY-V C H VERLAG GMBH
Funding OrganizationGZNU Doctor Starting Up Foundation ; Guizhou Provincial Science Foundation ; Chinese National Science Foundation ; National Key R&D Program of China
Citation statistics
Document Type期刊论文
Identifierhttp://ir.xao.ac.cn/handle/45760611-7/3294
Collection射电天文研究室_脉冲星研究团组
Corresponding AuthorGao, Zhi-Fu
Affiliation1.Chinese Acad Sci, Xinjiang Astron Observ, Urumqi, Xinjiang, Peoples R China
2.Chinese Acad Sci, Key Lab Radio Astron, West Beijing Rd, Nanjing, Jiangsu, Peoples R China
3.Xinjiang Univ, Coll Phys Sci & Technol, Urumqi, Xinjiang, 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, Zhi-Fu,Omar, Nurimangul,Shi, Xiao-Chun,et al. The Ohmic decay of dipolar toroidal magnetic fields of magnetars[J]. ASTRONOMISCHE NACHRICHTEN,2019,340:1030-1034.
APA Gao, Zhi-Fu,Omar, Nurimangul,Shi, Xiao-Chun,&Wang, Na.(2019).The Ohmic decay of dipolar toroidal magnetic fields of magnetars.ASTRONOMISCHE NACHRICHTEN,340,1030-1034.
MLA Gao, Zhi-Fu,et al."The Ohmic decay of dipolar toroidal magnetic fields of magnetars".ASTRONOMISCHE NACHRICHTEN 340(2019):1030-1034.
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