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Stability of the tree-level vacuum in two Higgs doublet models against charge or CP spontaneous violation
classification
✦ hep-ph
keywords
chargedoublethiggsmodelspotentialspontaneoustree-levelbreaking
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We show that in two Higgs doublet models at tree-level the potential minimum preserving electric charge and CP symmetries, when it exists, is the global one. Furthermore, we derived a very simple condition, involving only the coefficients of the quartic terms of the potential, that guarantees spontaneous CP breaking.
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Cited by 1 Pith paper
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Vacuum structure of the Babu-Nandi-Tavartkiladze model of neutrino mass generation
In the BNT neutrino mass model the electroweak vacuum is not generically the global minimum, with stability reducible to two mass inequalities when the quadruplet vev vanishes.
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