A second Higgs doublet in the early universe: baryogenesis and gravitational waves
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Universidade Federal de Minas Gerais
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We show that simple Two Higgs Doublet models might still provide a viable
explanation for the matter-antimatter asymmetry of the Universe via electroweak baryogenesis, even after taking into account the recent order-of-magnitude improvement on the electron-EDM experimental bound by the ACME Collaboration. Moreover we show that, in
the region of parameter space where baryogenesis may be possible, the gravitational wave
spectrum generated at the end of the electroweak phase transition is within the sensitivity
reach of the future space-based interferometer LISA.
Abstract
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Cosmologia, Ondas gravitacionais
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Baryon asymmetry, Cosmological phase transitions, Cosmology, Gravitational waves
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https://iopscience.iop.org/article/10.1088/1475-7516/2017/05/052