On the role of the rotations and Bogoliubov transformations in neutrino mixing
arXiv:1608.04709 · doi:10.1016/j.physletb.2016.08.022
Abstract
We show that mixing transformations for Dirac fields arise as a consequence of the non-trivial interplay between rotations and Bogoliubov transformations at level of ladder operators. Indeed the non-commutativity between the algebraic generators of such transformations turns out to be responsible of the unitary inequivalence of the flavor and mass representations and of the associated vacuum structure. A possible thermodynamic interpretation is also investigated.
arXiv commentaccepted for publication, in printing PLB
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