Predictivity lost, predictivity regained: A Miltonian cosmic censorship conjecture

被引:11
|
作者
Emparan, Roberto [1 ,2 ]
机构
[1] Inst Catalana Recerca & Estudis Avancats ICREA, Passeig Lluis Co 23, E-08010 Barcelona, Spain
[2] Univ Barcelona, Dept Fis Quant & Astrofis, Inst Ciencies Cosmos, Marti & Franques 1, E-08028 Barcelona, Spain
来源
关键词
Cosmic censorship; singularities; black holes; black strings; critical collapse; GRAVITATIONAL COLLAPSE;
D O I
10.1142/S021827182043021X
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Cosmic censorship is known to fail in some well-controlled phenomena, calling into question the predictive power of General Relativity and opening up the possibility of observing Planck-scale physics. We propose that the cosmic censorship conjecture can be amended so that its spirit prevails. Naked singularities that, classically, have zero mass are allowed. Physically, these are Planck-sized "black holes", which evaporate in a few Planck times. General Relativity fails only for a tiny interval in time, to then quickly regain control in a Miltonian evolution that returns us to the predictive paradise of Einstein's equations. If this refinement of the conjecture is correct, then, even though Nature does allow to expose breakdowns in the smooth fabric of spacetime, it limits them to a mostly harmless minimum.
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页数:6
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