期刊
FRONTIERS IN ASTRONOMY AND SPACE SCIENCES
卷 8, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fspas.2021.647241
关键词
loop quantum gravity; black holes; quantum field theory; spin networks; general relativity
资金
- Hearne Institute for Theoretical Physics, CCT-LSU, Pedeciba [NSF-PHY-1903799]
- MICINN from Spain [FIS 2017-86497-C2-2-P]
- Fondo Clemente Estable [FCE_1_2019_1_155865]
The study reveals the existence of semi-classical states in the quantum theory that can approximate general relativity coupled to an effective anisotropic fluid, eliminating the singularity and allowing the continuation of spacetime into a white hole spacetime. This is similar to previously considered scenarios based on loop quantum gravity quantization.
We continue our investigation of an improved quantization scheme for spherically symmetric loop quantum gravity. We find that in the region where the black hole singularity appears in the classical theory, the quantum theory contains semi-classical states that approximate general relativity coupled to an effective anisotropic fluid. The singularity is eliminated and the space-time can be continued into a white hole space-time. This is similar to previously considered scenarios based on a loop quantum gravity quantization.
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