Mass Matrix Model Broken From A4 To 2 $\leftrightarrow$ 3 Symmetry

Abstract

2$\leftrightarrow$3 symmetry is realized by the breaking from alterating group of degree 4 ($A4$) symmetry. $A4$ explains why the generation number is three. However the mass matrices are realized in the form of the breaking to $2\leftrightarrow 3$ symmetry $\times Z_3$, which leads us to $2\leftrightarrow 3$ symmetric mass matrix with vanishing (1,1) component. Thus the $3\times 3$ mass matrix model with $2\leftrightarrow 3$ symmetry and vanishing (1,1) component has the group theoretical background as the symmetry in GUT model.

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References in corpus (1)

• How Far Can the SO(10) Two Higgs Model Describe the Observed Neutrino Masses and Mixings ?

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