Weak cosmic censorship conjecture in the pure Lovelock gravity

被引:6
|
作者
Shaymatov, Sanjar [1 ,2 ,3 ,4 ,5 ,6 ]
Dadhich, Naresh [7 ]
机构
[1] Ulugh Beg Astron Inst, Astron St 33, Tashkent 100052, Uzbekistan
[2] Akfa Univ, Milliy Bog St 264, Tashkent 111221, Uzbekistan
[3] Natl Univ Uzbekistan, Tashkent 100174, Uzbekistan
[4] Natl Res Univ TIIAME, Inst Fundamental & Appl Res, Kori Niyoziy 39, Tashkent 100000, Uzbekistan
[5] Tashkent State Tech Univ, Tashkent 100095, Uzbekistan
[6] Samarkand State Univ, Univ Ave 15, Samarkand 140104, Uzbekistan
[7] Inter Univ Ctr Astron & Astrophys, Post Bag 4, Pune 411007, India
关键词
astrophysical black holes; cosmic singularity; Gauss-Bonnet-Lovelock-Horndeski-Palatini etc gravity theories; modified gravity; BLACK-HOLE; NOETHER CHARGE;
D O I
10.1088/1475-7516/2022/10/060
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
It is well known that a rotating black hole in four dimension could be overspun by linear order test particle accretion which however always gets overturned when non-linear perturbations are included. It turns out that in the Einstein gravity, repulsion due to rotation dominates over attraction due to mass in dimensions, D > 5, and consequently black hole cannot be overspun even for linear order accretion. For the pure Lovelock rotating black hole, this dimensional threshold is D > 4N + 1 where N is degree of single Nth order term in the Lovelock polynomial in the action. Thus the pure Lovelock rotating black holes always obey the weak cosmic censorship conjecture (WCCC) in all dimensions greater than 4N + 1. Since overall gravity being repulsive beyond this dimensional threshold, how is rotating black hole then formed there?
引用
收藏
页数:22
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