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ANALYTIC PROPERTIES OF FORCE-FREE JETS IN THE KERR SPACETIME-II
Pan, Zhen1; Yu C(余聪)2,3; Pan, Z (reprint author), Univ Calif Davis, Dept Phys, One Shields Ave, Davis, CA 95616 USA.
发表期刊ASTROPHYSICAL JOURNAL
2016-01-10
卷号816期号:2
DOI10.3847/0004-637X/816/2/77
产权排序第2完成单位
收录类别SCI
关键词Gravitation Magnetic Fields Magnetohydrodynamics (Mhd)
摘要We reinvestigate the structure of a steady axisymmetric force-free magnetosphere around a Kerr black hole (BH). The BH magnetosphere structure is governed by a second-order differential equation of A(phi) depending on two "free" functions Omega and I, where A(phi) is the phi component of the vector potential of the electromagnetic field, Omega is the angular velocity of the magnetic field lines, and I is the poloidal electric current. While the two functions Omega and I are not arbitrarily given, they do need to be self-consistently determined along with the differential equation. Based on the perturbation approach we proposed in paper I, in this paper, we self-consistently sort out two boundary conditions governing Omega and I, and interpret these conditions mathematically and physically. Making use of the boundary conditions, we prove that all magnetic field lines crossing the infinite-redshift surface also penetrate the event horizon. Furthermore, we argue that the BH Meissner effect does not work in a force-free magnetosphere due to the perfect conductivity.
项目资助者National Natural Science Foundation of China (11173057, 11521303) ; Yunnan Natural Science Foundation (2012FB187, 11373064, 2014HB048)
语种英语
学科领域Astronomy & Astrophysics
文章类型Article
ISSN0004-637X
URL查看原文
WOS记录号WOS:000368238500029
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]BLACK-HOLE MAGNETOSPHERES ; RELATIVISTIC MAGNETOHYDRODYNAMIC SIMULATIONS ; ACTIVE GALACTIC NUCLEI ; MAGNETIC-FIELD ; ACCRETION ; EXTRACTION ; DRIVEN ; ENERGY
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被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/9402
专题大样本恒星演化研究组
中国科学院天体结构与演化重点实验室
通讯作者Pan, Z (reprint author), Univ Calif Davis, Dept Phys, One Shields Ave, Davis, CA 95616 USA.
作者单位1.Department of Physics, University of California, One Shields Avenue, Davis, CA 95616, USA
2.Yunnan Observatories, Chinese Academy of Sciences, Kunming 650011, China
3.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, Kunming 650011, China
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Pan, Zhen,Yu C,Pan, Z . ANALYTIC PROPERTIES OF FORCE-FREE JETS IN THE KERR SPACETIME-II[J]. ASTROPHYSICAL JOURNAL,2016,816(2).
APA Pan, Zhen,余聪,&Pan, Z .(2016).ANALYTIC PROPERTIES OF FORCE-FREE JETS IN THE KERR SPACETIME-II.ASTROPHYSICAL JOURNAL,816(2).
MLA Pan, Zhen,et al."ANALYTIC PROPERTIES OF FORCE-FREE JETS IN THE KERR SPACETIME-II".ASTROPHYSICAL JOURNAL 816.2(2016).
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