Uses of complex metrics in cosmology
Abstract Complex metrics are a double-edged sword: they allow one to replace singular spacetimes, such as those containing a big bang, with regular metrics, yet they can also describe unphysical solutions in which quantum transitions may be more probable than ordinary classical evolution. In the cos...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
SpringerOpen
2022-08-01
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Series: | Journal of High Energy Physics |
Subjects: | |
Online Access: | https://doi.org/10.1007/JHEP08(2022)284 |