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Can baryon asymmetry be explained by a large initial value before inflation?

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arxiv 2307.03049 v1 pith:SIK527VR submitted 2023-07-06 astro-ph.CO hep-ph

Kai Murai , Fuminobu Takahashi , Masaki Yamada , Wen Yin This is my paper · ORCID
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We show that the baryon asymmetry of the Universe cannot be explained by a large initial value before inflation because it inevitably predicts correlated baryon isocurvature perturbations that are already excluded by cosmic microwave background observations. Similar arguments can generally be applied to some models of dark matter.

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  1. Baryogenesis via the CKM Matrix with Minimal Flavor Violation

    hep-ph 2026-08 conditional novelty 7.0 of 10

    An MFV leptoquark model shows that the CKM phase alone can in principle generate the observed baryon asymmetry without time-varying model parameters.

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