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Strength of the naked singularity in critical collapse
Guo, Jun-Qi1; Zhang, Lin2; Chen, Yuewen3,4; Joshi, Pankaj S.5; Zhang, Hongsheng1
2020-10-07
Source PublicationEUROPEAN PHYSICAL JOURNAL C
ISSN1434-6044
Volume80Issue:10Pages:4
AbstractThe critical collapse of a scalar field is a threshold solution of black hole formation, in which a naked singularity arises. We study here the curvature strength of this singularity using a numerical ansatz. The behavior of the Jacobi volume forms is examined along a non-spacelike geodesic in the limit of approach to the singularity. These are seen to be vanishing, thus showing that all physical objects will be crushed to zero size near the singularity. Consequently, although the critical collapse is considered to be a fine-tuning problem, the naked singularity forming is gravitationally strong. This implies that the spacetime cannot be extended beyond the singularity, thus making the singularity genuine and physically interesting. These results imply that the nature of critical collapse may need to be examined and explored further.
DOI10.1140/epjc/s10052-020-08486-7
Indexed BySCI
Language英语
Funding ProjectShandong Province Natural Science Foundation[ZR2019MA068]
WOS Research AreaPhysics
WOS SubjectPhysics, Particles & Fields
WOS IDWOS:000578510000003
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.amss.ac.cn/handle/2S8OKBNM/52347
Collection中国科学院数学与系统科学研究院
Corresponding AuthorGuo, Jun-Qi
Affiliation1.Jinan Univ, Sch Phys & Technol, Jinan 250022, Shandong, Peoples R China
2.Chongqing Univ, Coll Math & Stat, Chongqing 401331, Peoples R China
3.Univ Chinese Acad Sci, Chinese Acad Sci, Acad Math & Syst Sci, Inst Appl Math,Morningside Ctr Math, Beijing 100190, Peoples R China
4.Univ Chinese Acad Sci, Chinese Acad Sci, Acad Math & Syst Sci, LESC,Inst Computat Math, Beijing 100190, Peoples R China
5.Charusat Univ, Int Ctr Cosmol, Anand 388421, Gujarat, India
Recommended Citation
GB/T 7714
Guo, Jun-Qi,Zhang, Lin,Chen, Yuewen,et al. Strength of the naked singularity in critical collapse[J]. EUROPEAN PHYSICAL JOURNAL C,2020,80(10):4.
APA Guo, Jun-Qi,Zhang, Lin,Chen, Yuewen,Joshi, Pankaj S.,&Zhang, Hongsheng.(2020).Strength of the naked singularity in critical collapse.EUROPEAN PHYSICAL JOURNAL C,80(10),4.
MLA Guo, Jun-Qi,et al."Strength of the naked singularity in critical collapse".EUROPEAN PHYSICAL JOURNAL C 80.10(2020):4.
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