TL;DR
This paper discusses key issues in quantum cosmology, focusing on the arrow of time, interpretation of the wave function, and stability of approximations in different regions of the universe's scale factor.
Contribution
It provides insights into the arrow of time, wave function interpretation, and stability analysis within the Wheeler-De Witt framework in quantum cosmology.
Findings
Clarified the arrow of time in quantum cosmology
Analyzed the interpretation of the wave function in different regions
Examined the stability of Born-Oppenheimer approximations
Abstract
We comment on two issues in quantum cosmology, in the context of the Wheeler-De Witt equation and wave function of the Universe: (i) arrow of time and interpretation of the wave function in the classically allowed regions; (ii) stability of an approximation of the Born-Oppenheimer type in classically forbidden regions of the scale factor.
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Taxonomy
TopicsCosmology and Gravitation Theories · Relativity and Gravitational Theory · Computational Physics and Python Applications