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Resumo(s)
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. (C) 2004 Elsevier B.V. All rights reserved.
Descrição
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Color Breaking Suoergravity MSSM
Contexto Educativo
Citação
Ferreira, P. M.; SANTOS, R.; BARROSO, A. - Stability of the tree-level vacuum in two Higgs doublet models against charge or CP spontaneous violation. Physics Letters B. ISSN 0370-2693. Vol. 603, nr. 3-4 (2004), p. 219-229