Abstract
We study models with radiative neutrino mass generation and explore the relation betweenthe neutrino masses and dark energy. In these models, the pseudo-Nambu–Goldstonebosons (pNGBs) arise at two-loop level via the Majorana neutrino masses. In particular, wedemonstrate that the potential energy of the pNGB could be the dark energy potential andthe observed value of the equation of state parameter of the universe, i.e., , can be realized.
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