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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
Source PublicationASTROPHYSICAL JOURNAL
2017-02-01
Volume835Issue:2
DOI10.3847/1538-4357/835/2/247
Contribution Rank第3完成单位
Indexed BySCI
KeywordAstroparticle Physics Black Hole Physics
Abstract

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.

Funding ProjectSouth University of Science and Technology of China ; Shenzhen Peacock Plan ; Shenzhen Fundamental Research Foundation[JCYJ20150630145302225] ; National Natural Science Foundation of China[11681240276] ; National Natural Science Foundation of China[11674152]
Funding OrganizationSouth University of Science and Technology of China ; Shenzhen Peacock Plan ; Shenzhen Fundamental Research Foundation[JCYJ20150630145302225] ; National Natural Science Foundation of China[11681240276, 11674152]
Language英语
Subject Area天文学 ; 天体物理学 ; 高能天体物理学
MOST Discipline Catalogue理学 ; 理学::天文学
SubtypeArticle
PublisherIOP PUBLISHING LTD
Publication PlaceTEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND
ISSN0004-637X
URL查看原文
WOS IDWOS:000401154800039
WOS Research AreaAstronomy & Astrophysics
WOS SubjectAstronomy & Astrophysics
WOS KeywordFORCE-FREE MAGNETOSPHERE ; ELECTRODYNAMICS ; EQUATION ; SPACE ; SPIN
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/10064
Collection大样本恒星演化研究组
Corresponding AuthorWu, Jian-Sheng
Affiliation1.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
Recommended Citation
GB/T 7714
Liao, Yi,Gong XB,Wu, Jian-Sheng. 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.(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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