Conditions for the custodial symmetry in multi-Higgs-doublet models
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Journal of High Energy Physics (JHEP). 2018, . https://doi.org/10.1007/JHEP05(2018)163Abstract
We derive basis-independent, necessary and sufficient conditions for the custodial symmetry in N-Higgs-doublet models (NHDM) for N ≥ 3, and apply them on some 3HDM examples.