Neutrino Mixing as a Source for Cosmological Constant

@article{Blasone2004NeutrinoMA,
  title={Neutrino Mixing as a Source for Cosmological Constant},
  author={M. Blasone and A. Capolupo and S. Capozziello and S. Carloni and G. Vitiello},
  journal={Brazilian Journal of Physics},
  year={2004},
  volume={35},
  pages={455-461}
}
We report on recent results showing that neutrino mixing may lead to a non-zero contribution to the cosmological constant. This contribution is of a completely different nature with respect to the usual one by a massive spinor field. We also study the problem of field mixing in Quantum Field Theory in curved space-time, for the case of a scalar field in the Friedmann-Robertson-Walker metric. 
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