Reference : Two-Higgs-doublet model from the group-theoretic perspective
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/66970
Two-Higgs-doublet model from the group-theoretic perspective
English
Ivanov, Igor mailto [INFN, Cosenza, Italy > > > >]
2006
Physics Letters B
Elsevier Science
632
2-3
360-365
Yes (verified by ORBi)
International
0370-2693
Amsterdam
The Netherlands
[en] In the two-Higgs-doublet model, different Higgs doublets can be viewed as components of a generic “hyperspinor”. We decompose the Higgs potential of this model into irreducible representations of the SU(2) group of transformations of this hyperspinor. We discuss invariant combinations of Higgs potential parameters λi that arise in this decomposition and provide simple and concise sets of conditions for the hidden Z2-symmetry, Peccei–Quinn symmetry, and explicit CP-conservation in 2HDM. We show that some results obtained previously by brute-force calculations are reduced to simple linear algebraic statements in our approach.
http://hdl.handle.net/2268/66970
10.1016/j.physletb.2005.10.015
http://dx.doi.org/10.1016/j.physletb.2005.10.015

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