Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-12-20
PoS(QFTHEP2011)074
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages, prepared for Proceedings of the XXth International Workshop "High Energy Physics and Quantum Field Theory", Sept. 24
Scientific paper
The origin of the neutrino mass, dark matter (DM), and dark energy (DE) are among the most challenging problems of fundamental physics. We address these questions from analyses of the models where the neutrino mass is generated via Yukawa coupling to the quintessence field which represents the DE. It has been shown in a recent work on the toy model with a single Dirac fermion coupled to the quintessence that by choosing parameters of the DE potential to match the present DE density, the model allows to lock the neutrino mass at m ~0.01 eV and yields consistent estimates for other parameters of the Universe. To include the DM component into this framework we propose here to add the right-handed Majorana term(s) into Lagrangian with the quintessence-generated mass. As a results, the DE field is responsible for generation of the masses of the light active Majorana neutrinos as well as of the heavy sterile neutrinos. The latter are natural DM candidates.
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