Spontaneous baryogenesis from asymmetric inflaton
Copyright policy )Spontaneous baryogenesis from asymmetric inflaton
We propose a variant scenario of spontaneous baryogenesis from asymmetric inflaton based on current-current interactions between the inflaton and matter fields with a non-zero B-L charge. When the inflaton starts to oscillate around the minimum after inflation, it may lead to excitation of a CP-odd component, which induces an effective chemical potential for the B-L number through the current-current interactions. We study concrete inflation models and show that the spontaneous baryogenesis scenario can be naturally implemented in the chaotic inflation in supergravity.
6 pages
Nuclear and High Energy Physics, Cosmology and Nongalactic Astrophysics (astro-ph.CO), inflation: chaos, Physics, QC1-999, FOS: Physical sciences, baryogenesis, Supergravity, inflation: model, inflaton, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), potential: chemical, excited state, supergravity, B-L number, info:eu-repo/classification/ddc/530, asymmetry, Relativistic cosmology, Astrophysics - Cosmology and Nongalactic Astrophysics
Nuclear and High Energy Physics, Cosmology and Nongalactic Astrophysics (astro-ph.CO), inflation: chaos, Physics, QC1-999, FOS: Physical sciences, baryogenesis, Supergravity, inflation: model, inflaton, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), potential: chemical, excited state, supergravity, B-L number, info:eu-repo/classification/ddc/530, asymmetry, Relativistic cosmology, Astrophysics - Cosmology and Nongalactic Astrophysics
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