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Singularity avoidance in Bianchi I quantum cosmology
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DOI：10.1140/epjc/s10052-019-7193-6.png)
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摘要
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We extend recent discussions of singularity avoidance in quantum gravity from isotropic to anisotropic cosmological models. The investigation is done in the framework of quantum geometrodynamics (Wheeler-DeWitt equation). We formulate criteria of singularity avoidance for general Bianchi class A models and give explicit and detailed results for Bianchi I models with and without matter. The singularities in these cases are big bang and big rip. We find that the classical singularities can generally be avoided in these models.
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4.8
论文数:
1.8W
被引数:
4.7W
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