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Force-free magnetosphere on near-horizon geometry of near-extreme Kerr black holes
Li HQ(李惠泉)1,2; Yu C(余聪)1,2; Wang JC(王建成)1,2; Xu ZY(徐兆意)1,2
Source PublicationPHYSICAL REVIEW D
2015-07-14
Volume92Issue:2
DOI10.1103/PhysRevD.92.023009
Contribution Rank第1完成单位
Indexed BySCI
Abstract

We study force-free magnetospheres in the Blandford-Znajek process from rapidly rotating black holes by adopting the near horizon geometry of near-extreme Kerr black holes (near-NHEK). It is shown that the Znajek regularity condition on the horizon can be directly derived from the resulting stream equation. In terms of the condition, we split the full stream equation into two separate equations. Approximate solutions around the rotation axis are derived. They are found to be consistent with previous solutions obtained in the asymptotic region. The solutions indicate energy and angular-momentum extraction from the hole.

Funding ProjectNational Natural Science Foundation of China[11133006] ; National Natural Science Foundation of China[11163006] ; National Natural Science Foundation of China[11173054] ; Strategic Priority Research Program
Funding OrganizationNational Natural Science Foundation of China [11133006, 11163006, 11173054] ; Strategic Priority Research Program
Language英语
Subject Area物理学 ; 天文学 ; 天体物理学 ; 高能天体物理学
MOST Discipline Catalogue理学 ; 理学::物理学 ; 理学::天文学
SubtypeArticle
PublisherAMER PHYSICAL SOC
Publication PlaceONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA
ISSN1550-7998
URL查看原文
Archive Date2015-11-16
WOS IDWOS:000357862400002
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordANALYTIC SOLUTIONS ; ENERGY
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/5045
Collection高能天体物理研究组
中国科学院天体结构与演化重点实验室
Corresponding AuthorLi HQ(李惠泉)
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, 650011 Kunming, China
2.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 650011 Kunming, China
Recommended Citation
GB/T 7714
Li HQ,Yu C,Wang JC,et al. Force-free magnetosphere on near-horizon geometry of near-extreme Kerr black holes[J]. PHYSICAL REVIEW D,2015,92(2).
APA Li HQ,Yu C,Wang JC,&Xu ZY.(2015).Force-free magnetosphere on near-horizon geometry of near-extreme Kerr black holes.PHYSICAL REVIEW D,92(2).
MLA Li HQ,et al."Force-free magnetosphere on near-horizon geometry of near-extreme Kerr black holes".PHYSICAL REVIEW D 92.2(2015).
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