A unique Neutrino Mass Matrix Texture under Exponential Parametrization

Abstract

Under the exponential parametrization scheme $m_{ij}^{\nu }\sim r{e}^{i\theta }$, we propose a \emph{unique} neutrino mass matrix texture that exhibits four correlations among its elements. The mixing scheme obtained from the proposed texture is consistent with experimental observations. We construct a concrete model based on the $SU(2{)}_L\times U(1{)}_Y\times A_4\times Z_{10}\times Z_7$ group within the framework of the seesaw mechanism.

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