Axionic Dark Matter in a Bi-Metric Universe
We study the evolution and production of axion dark matter in a universe model with two scale factors corresponding to different patches of the universe. The interaction between patches is described through a deformed Poisson bracket structure. The first part of the present paper is devoted to a rev...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
MDPI AG
2023-09-01
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Series: | Universe |
Subjects: | |
Online Access: | https://www.mdpi.com/2218-1997/9/10/429 |