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题名: Naked singularity, firewall, and Hawking radiation
作者: Zhang, HS
刊名: SCIENTIFIC REPORTS
出版日期: 2017
卷号: 7, 页码:4000
学科分类: Science & Technology - Other Topics
DOI: http://dx.doi.org/10.1038/s41598-017-03854-y
通讯作者: Zhang, HS (reprint author), Univ Jinan, Sch Phys & Technol, West Rd Nan Xinzhuang 336, Jinan 250022, Shandong, Peoples R China. ;  Zhang, HS (reprint author), Shanghai Normal Univ, Ctr Astrophys, 100 Guilin Rd, Shanghai 200234, Peoples R China. ;  Zhang, HS (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: Spacetime singularity has always been of interest since the proof of the Penrose-Hawking singularity theorem. Naked singularity naturally emerges from reasonable initial conditions in the collapsing process. A recent interesting approach in black hole information problem implies that we need a firewall to break the surplus entanglements among the Hawking photons. Classically, the firewall becomes a naked singularity. We find some vacuum analytical solutions in Rn-gravity of the firewall-type and use these solutions as concrete models to study the naked singularities. By using standard quantum theory, we investigate the Hawking radiation emitted from the black holes with naked singularities. Here we show that the singularity itself does not destroy information. A unitary quantum theory works well around a firewall-type singularity. We discuss the validity of our result in general relativity. Further our result demonstrates that the temperature of the Hawking radiation still can be expressed in the form of the surface gravity divided by 2 pi. This indicates that a naked singularity may not compromise the Hakwing evaporation process.
类目[WOS]: Multidisciplinary Sciences
关键词[WOS]: BLACK-HOLE ;  GRAVITATIONAL COLLAPSE ;  RELATIVITY ;  FIELD
项目资助者: Program for Professor of Special Appointment (Eastern Scholar) at Shanghai Institutions of Higher Learning ;  National Natural Science Foundation of China [11075106, 11575083, 11275128] ;  National Education Foundation of China [200931271104]
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/22031
Appears in Collections:理论物理所2017年知识产出_期刊论文

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Zhang, HS. Naked singularity, firewall, and Hawking radiation[J]. SCIENTIFIC REPORTS,2017,7:4000.
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