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Type: Artigo de periódico
Title: Structure of potentials with N higgs doublets
Author: Nishi, CC
Abstract: Extensions of the standard model with N Higgs doublets are simple extensions presenting a rich mathematical structure. An underlying Minkowski structure emerges from the study of both variable space and parameter space. The former can be completely parametrized in terms of two future lightlike Minkowski vectors with spatial parts forming an angle whose cosine is -(N-1)(-1). For the parameter space, the Minkowski parametrization enables one to impose sufficient conditions for bounded below potentials, characterize certain classes of local minima, and distinguish charge breaking vacua from neutral vacua. A particular class of neutral minima presents a degenerate mass spectrum for the physical charged Higgs bosons.
Country: EUA
Editor: Amer Physical Soc
Citation: Physical Review D. Amer Physical Soc, v. 76, n. 5, 2007.
Rights: aberto
Identifier DOI: 10.1103/PhysRevD.76.055013
Date Issue: 2007
Appears in Collections:Unicamp - Artigos e Outros Documentos

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