Duality between operator ordering factor and massless scalar field
Abstract In order to investigate the role of quantum effects in the evolution of the universe, one can either use the Wheeler–DeWitt equation (WDWE) that contains an operator ordering factor, or add an item called massless scalar field to WDWE. In this paper, we study the relationship between operat...
Main Authors: | Dongshan He, Qing-yu Cai |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2022-09-01
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Series: | European Physical Journal C: Particles and Fields |
Online Access: | https://doi.org/10.1140/epjc/s10052-022-10736-9 |
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