Weak cosmic censorship with SU(2) gauge field and bound on charge-to-mass ratio

被引:1
|
作者
Song, Yan [1 ,2 ]
Cui, Si-Yuan [1 ,2 ]
Wang, Yong-Qiang [1 ,2 ]
机构
[1] Lanzhou Univ, Lanzhou Ctr Theoret Phys, Sch Phys Sci & Technol, Key Lab Theoret Phys Gansu Prov, Lanzhou 730000, Peoples R China
[2] Lanzhou Univ, Inst Theoret Phys & Res Ctr Gravitat, Lanzhou 730000, Peoples R China
基金
中国国家自然科学基金;
关键词
Black Holes; Spacetime Singularities;
D O I
10.1007/JHEP01(2024)100
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
We numerically construct the stationary solutions of SU(2) Einstein-Yang-Mills theory in four dimensional anti-de Sitter spacetime. When the t component of the SU(2) gauge field is taken to the only nonzero component, we construct a class of counterexamples to the weak cosmic censorship conjecture in Einstein-Maxwell theory. However, including a nonzero phi component of SU(2) gauge field, we can argue that there is a minimum value qW, when the charge carried by the phi component is larger than this minimum value, for sufficiently large boundary electric amplitude a, the original counterexamples can be removed and cosmic censorship is preserved.
引用
收藏
页数:15
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