Conditions for the custodial symmetry in multi-Higgs-doublet models
High Energy Physics - Phenomenology
2018-05-29 v2 High Energy Physics - Theory
Mathematical Physics
math.MP
Abstract
We derive basis-independent, necessary and sufficient conditions for the custodial symmetry in N-Higgs-doublet models (NHDM) for N > 2, and apply them on some 3HDM examples.
Cite
@article{arxiv.1801.00519,
title = {Conditions for the custodial symmetry in multi-Higgs-doublet models},
author = {M. Aa. Solberg},
journal= {arXiv preprint arXiv:1801.00519},
year = {2018}
}
Comments
37 pages, 1 figure. A section on spontaneous breaking of the custodial SO(4) symmetry is added, in addition to a section on the Ivanov-Silva model and a discussion of theorem 1 in the case N=2. Equivalent to the version published in JHEP