The effects of superhigh magnetic fields on the equations of state of neutron stars

doi:10.1002/asna.201512239

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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
发表期刊	ASTRONOMISCHE NACHRICHTEN
卷号	336 期号:8-9 页码:866-870
摘要	By 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)
文章类型	Article
关键词	Equation Of State Dense Matter Magnetic Fields Stars: Neutron
WOS标题词	Science & Technology ; Physical Sciences
DOI	10.1002/asna.201512239
关键词[WOS]	IRON-GROUP NUCLEI ; ELECTRON-CAPTURE ; NI-56 ; DECAY ; RAY
收录类别	SCI
语种	英语
项目资助者	Xinjiang Natural Science Foundation(2013211A053) ; Chinese National Science Foundation(11273051 ; National Basic Research Program of China grants 973 Programs(2012CB821801) ; Strategic Priority Research Program "The Emergence of Cosmological Structures" of Chinese Academy of Sciences(XDB09000000) ; Qinglan project of Jiangsu Province ; 11173041 ; 11133001 ; 11447165 ; 11373006 ; 11173042)
WOS研究方向	Astronomy & Astrophysics
WOS类目	Astronomy & Astrophysics
WOS记录号	WOS:000364913700027
引用统计
文献类型	期刊论文
条目标识符	http://libir.pmo.ac.cn/handle/332002/16071
专题	紫金山天文台青海观测站
作者单位	1.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
推荐引用方式 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.