Strength of the naked singularity in critical collapse

doi:10.1140/epjc/s10052-020-08486-7

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	Strength of the naked singularity in critical collapse
	Guo, Jun-Qi 1; Zhang, Lin 2; Chen, Yuewen 3,4; Joshi, Pankaj S.5; Zhang, Hongsheng 1
	2020-10-07
发表期刊	EUROPEAN PHYSICAL JOURNAL C
ISSN	1434-6044
卷号	80 期号:10 页码:4
摘要	The 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.
DOI	10.1140/epjc/s10052-020-08486-7
收录类别	SCI
语种	英语
资助项目	Shandong Province Natural Science Foundation[ZR2019MA068]
WOS研究方向	Physics
WOS类目	Physics, Particles & Fields
WOS记录号	WOS:000578510000003
出版者	SPRINGER
引用统计
文献类型	期刊论文
条目标识符	http://ir.amss.ac.cn/handle/2S8OKBNM/52347
专题	中国科学院数学与系统科学研究院
通讯作者	Guo, Jun-Qi
作者单位	1.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
推荐引用方式 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.