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Kerr-Newman-AdS black hole surrounded by perfect fluid matter in Rastall gravity
Xu ZY(俆兆意)1,2,3,4; Hou X(侯贤)1,3,4; Gong XB(龚小波)1,2,3,4; Wang JC(王建成)1,2,3,4
Source PublicationEUROPEAN PHYSICAL JOURNAL C
2018-06-20
Volume78Issue:6Pages:12
DOI10.1140/epjc/s10052-018-5991-x
Contribution Rank第1完成单位
Indexed BySCI
Abstract

The Rastall gravity is the modified Einstein general relativity, in which the energy-momentum conservation law is generalized to T-;mu(mu nu) = lambda R-,R-nu. In this work, we derive the Kerr-Newman-AdS (KN-AdS) black hole solutions surrounded by the perfect fluid matter in the Rastall gravity using the Newman-Janis method and Mathematica package. We then discuss the black hole properties surrounded by two kinds of specific perfect fluid matter, the dark energy (omega = - 2/3) and the perfect fluid dark matter (omega = - 1/3). Firstly, the Rastall parameter kappa lambda could be constrained by the weak energy condition and strong energy condition. Secondly, by analyzing the number of roots in the horizon equation, we get the range of the perfect fluid matter intensity alpha, which depends on the black hole mass M and the Rastall parameter kappa lambda. Thirdly, we study the influence of the perfect fluid dark matter and dark energy on the ergosphere. We find that the perfect fluid dark matter has significant effects on the ergosphere size, while the dark energy has smaller effects. Finally, we find that the perfect fluid matter does not change the singularity of the black hole. Furthermore, we investigate the rotation velocity in the equatorial plane for the KN-AdS black hole with dark energy and perfect fluid dark matter. We propose that the rotation curve diversity in Low Surface Brightness galaxies could be explained in the framework of the Rastall gravity when both the perfect fluid dark matter halo and the baryon disk are taken into account.

Funding ProjectNational Natural Science Foundation of China[11503078] ; National Natural Science Foundation of China[11573060] ; National Natural Science Foundation of China[11661161010]
Funding OrganizationNational Natural Science Foundation of China[11503078, 11573060, 11661161010]
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
PublisherSPRINGER
Publication Place233 SPRING ST, NEW YORK, NY 10013 USA
ISSN1434-6044
URL查看原文
WOS IDWOS:000435979200005
WOS Research AreaPhysics
WOS SubjectPhysics, Particles & Fields
WOS KeywordCOLD DARK-MATTER ; COSMOLOGICAL CONSTANT ; ENERGY ; GROWTH ; QUINTESSENCE ; CONSTRAINTS ; EVOLUTION ; GALAXIES ; HALOS ; WAVE
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ynao.ac.cn/handle/114a53/12407
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 AuthorXu ZY(俆兆意)
Affiliation1.Yunnan Observatories, Chinese Academy of Sciences, 396 Yangfangwang, Guandu District, Kunming 650216, Peoples Republic of China
2.University of Chinese Academy of Sciences, Beijing 100049, Peoples Republic of China
3.Key Laboratory for the Structure and Evolution of Celestial Objects, Chinese Academy of Sciences, 396 Yangfangwang, Guandu District, Kunming 650216, Peoples Republic of China
4.Center for Astronomical Mega-Science, Chinese Academy of Sciences, 20A Datun Road, Chaoyang District, Beijing 100012, People's Republic of China
First Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Corresponding Author AffilicationYunnan Observatories, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Xu ZY,Hou X,Gong XB,et al. Kerr-Newman-AdS black hole surrounded by perfect fluid matter in Rastall gravity[J]. EUROPEAN PHYSICAL JOURNAL C,2018,78(6):12.
APA Xu ZY,Hou X,Gong XB,&Wang JC.(2018).Kerr-Newman-AdS black hole surrounded by perfect fluid matter in Rastall gravity.EUROPEAN PHYSICAL JOURNAL C,78(6),12.
MLA Xu ZY,et al."Kerr-Newman-AdS black hole surrounded by perfect fluid matter in Rastall gravity".EUROPEAN PHYSICAL JOURNAL C 78.6(2018):12.
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