The BKL scenario, infrared renormalization, and quantum cosmology

被引:22
作者
Bojowald, Martin [1 ]
机构
[1] Penn State Univ, Inst Gravitat & Cosmos, 104 Davey Lab, University Pk, PA 16802 USA
来源
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2019年 / 01期
关键词
quantum cosmology; cosmic singularity; SUGGESTED INTERPRETATION; TERMS;
D O I
10.1088/1475-7516/2019/01/026
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
A discussion of inhomogeneity is indispensable to understand quantum cosmology, even if one uses the dynamics of homogeneous geometries as a first approximation. While a full quantization of inhomogeneous gravity is not available, a broad framework of effective field theory provides important ingredients for quantum cosmology. Such a setting also allows one to take into account lessons from the Belinski-Khalatnikov-Lifshitz (BKL) scenario. Based on several new ingredients, this article presents conditions on various parameters and mathematical constructions that appear in minisuperspace models. Examples from different approaches demonstrate their restrictive nature.
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页数:14
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