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29 March 2024
 
  » arxiv » gr-qc/0402013

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Neutrino mixing contribution to the cosmological constant
M.Blasone ; A.Capolupo ; S.Capozziello ; S.Carloni ; G.Vitiello ;
Date 3 Feb 2004
Journal Phys.Lett. A323 (2004) 182-189
Subject gr-qc
AbstractWe show that the non-perturbative vacuum structure associated with neutrino mixing leads to a non-zero contribution to the value of the cosmological constant. Such a contribution comes from the specific nature of the mixing phenomenon. Its origin is completely different from the one of the ordinary contribution of a massive spinor field. We estimate this neutrino mixing contribution by using the natural cut--off appearing in the quantum field theory formalism for neutrino mixing and oscillation.
Source arXiv, gr-qc/0402013
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