The Ohmic decay of dipolar toroidal magnetic fields of magnetars

doi:10.1002/asna.201913711

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	The Ohmic decay of dipolar toroidal magnetic fields of magnetars
	Gao, Zhi-Fu1,2 ; Omar, Nurimangul 3; Shi, Xiao-Chun 3; Wang, Na1
	2019-12-16
Source Publication	ASTRONOMISCHE NACHRICHTEN
ISSN	0004-6337
Volume	340 Issue:9-10 Pages:1030-1034
Contribution Rank	1
Abstract	By 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.
Corresponding Author	Gao, Zhi-Fu(zhifugao@xao.ac.cn)
Keyword	magnetars toroidal magnetic field Ohmic decay
DOI	10.1002/asna.201913711
Indexed By	SCI
Language	英语
Funding Project	GZNU 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 Area	Astronomy & Astrophysics
WOS Subject	Astronomy & Astrophysics
WOS ID	WOS:000503144300001
Publisher	WILEY-V C H VERLAG GMBH
Funding Organization	GZNU Doctor Starting Up Foundation ; Guizhou Provincial Science Foundation ; Chinese National Science Foundation ; National Key R&D Program of China
Citation statistics	Cited Times:14[WOS] [WOS Record] [Related Records in WOS]
Document Type	期刊论文
Identifier	http://ir.xao.ac.cn/handle/45760611-7/3294
Collection	射电天文研究室_脉冲星研究团组
Corresponding Author	Gao, Zhi-Fu
Affiliation	1.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 Affilication	Xinjiang Astronomical Observatory, Chinese Academy of Sciences
Corresponding Author Affilication	Xinjiang 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(9-10):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(9-10),1030-1034.
MLA	Gao, Zhi-Fu,et al."The Ohmic decay of dipolar toroidal magnetic fields of magnetars".ASTRONOMISCHE NACHRICHTEN 340.9-10(2019):1030-1034.

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