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Phase-transition Theory of Kerr Black Holes in the Electromagnetic Field
Liao, Yi1,2; Gong XB(龚小波)3; Wu, Jian-Sheng1; Wu, Jian-Sheng(South Univ Sci & Technol China, Dept Phys, Shenzhen 518055, Peoples R China)
发表期刊ASTROPHYSICAL JOURNAL
2017-02-01
卷号835期号:2
DOI10.3847/1538-4357/835/2/247
产权排序第3完成单位
收录类别SCI
关键词Astroparticle Physics Black Hole Physics
摘要For a Kerr black hole (KBH) with spin J and mass M in a steady electromagnetic field, a special Wald vacuum solution (WVS) has been found in the case of the. no-source uniform field. For WVS, the Meissner effect (ME) occurs only in the the extreme KBH, where M-2/J=1, in this case, the magnetic field is totally excluded from the event horizon (EH) of KBH. However, WVS does not consider the Hawking radiation (HR) but treats KBH as an absolutely black body. If HR is added, researchers believe that the condition is not so restricted and it is possible for ME to occur in the. less-extreme case. How less is the "less-extreme case"? This paper tries to answer this question. Since the Hawking temperature T-H of KBH defined by HR is proportional to the surface gravity. at the EH, this question is actually about the so-called existence/non-existence of ME (ME/NME) or superconducting phase transition. In this paper, we study the connection between the superconductivity of KBH-EH and the existence of Weyl fermion. Using thermodynamic formulas and the KBH state equation, we prove that the inherent-parameter condition for ME to occur is M-2/J <= is an element of(c) = 1.5 in force-free fields whether it be in the simple axisymmetric vacuum zero source case or in the non-zero source case, which can be described by the nonlinear Grad-Shafranov equation. We suggest that this is a second-order phase transition and calculate the critical exponents delta=1 and eta=1/2 for the specific heat diverging at constant J.
项目资助者South University of Science and Technology of China ; Shenzhen Peacock Plan ; Shenzhen Fundamental Research Foundation(JCYJ20150630145302225) ; National Natural Science Foundation of China(11681240276, 11674152)
语种英语
学科领域天文学
文章类型Article
ISSN0004-637X
URL查看原文
WOS记录号WOS:000401154800039
WOS研究方向Astronomy & Astrophysics
WOS类目Astronomy & Astrophysics
关键词[WOS]FORCE-FREE MAGNETOSPHERE ; ELECTRODYNAMICS ; EQUATION ; SPACE ; SPIN
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文献类型期刊论文
条目标识符http://ir.ynao.ac.cn/handle/114a53/10064
专题大样本恒星演化研究组
通讯作者Wu, Jian-Sheng(South Univ Sci & Technol China, Dept Phys, Shenzhen 518055, Peoples R China)
作者单位1.Department of Physics, South University of Science and Technology of China, Shenzhen, 518055, China
2.Department of Physics, College of Science, National University of Defense Technology, Shangsha, 410073, China
3.Yunnan Observatory, Chinese Academy of Sciences, Kunming, 650011, China
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Liao, Yi,Gong XB,Wu, Jian-Sheng,et al. Phase-transition Theory of Kerr Black Holes in the Electromagnetic Field[J]. ASTROPHYSICAL JOURNAL,2017,835(2).
APA Liao, Yi,Gong XB,Wu, Jian-Sheng,&Wu, Jian-Sheng.(2017).Phase-transition Theory of Kerr Black Holes in the Electromagnetic Field.ASTROPHYSICAL JOURNAL,835(2).
MLA Liao, Yi,et al."Phase-transition Theory of Kerr Black Holes in the Electromagnetic Field".ASTROPHYSICAL JOURNAL 835.2(2017).
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