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Higgsogenesis
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In addition to explaining the masses of elementary particles, the Higgs boson may have far-reaching implications for the generation of the matter content in the Universe. For instance, the Higgs plays a key role in two main theories of baryogenesis, namely electroweak baryogenesis and leptogenesis. In this letter, we propose a new cosmological scenario where the Higgs chemical potential mediates asymmetries between visible and dark matter sectors, either generating a baryon asymmetry from a dark matter asymmetry or vice-versa. We illustrate this mechanism with a simple model with two new fermions coupled to the Higgs and discuss associated signatures.
Forward citations
Cited by 2 Pith papers
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Primordial Dirac Leptogenesis
Baryogenesis can proceed via CP-violating inflaton decays that imprint an asymmetry in an inert Higgs doublet, which decays into Dirac neutrinos and is converted by sphalerons to the observed baryon asymmetry.
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Baryogenesis from Primordial CP Violation
A three-Higgs-doublet inflation model with a complex coupling to gravity can produce a scalar matter-antimatter asymmetry that electroweak sphalerons convert into a baryon asymmetry.
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