4.4 Article

Three-Higgs-doublet model under A4 symmetry implies alignment

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 1, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP01(2018)011

Keywords

Beyond Standard Model; Gauge Symmetry; Spontaneous Symmetry Breaking

Funding

  1. CSIR, India through a NET Senior Research Fellowship
  2. SERB Grant [SR/S2/JCB-14/20, EMR/2015/00198909]

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A model with three scalar doublets can be conveniently accommodated within an A4 symmetric framework. The A4 symmetry permits only a restricted form for the scalar potential. We show that for the global minima of this potential alignment follows as a natural consequence. We also verify that in every case positivity and unitarity constraints are satisfactorily met.

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