The effect of supersymmetry breaking in the Mass Varying Neutrinos

Details The effect of supersymmetry breaking in the Mass Varying Neutrinos The effect of supersymmetry breaking in the Mass Varying Neutrinos

2006-03-24

arxiv.org/abs/hep-ph/0603204v3

Phys.Rev. D74 (2006) 055002

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 7 figures, RevTeX4, references added, discussions and figures revised

Scientific paper

10.1103/PhysRevD.74.055002

We discuss the effect of the supersymmetry breaking on the Mass Varying Neutrinos(MaVaNs) scenario. Especially, the effect mediated by the gravitational interaction between the hidden sector and the dark energy sector is studied. A model including a chiral superfield in the dark sector and the right handed neutrino superfield is proposed. Evolutions of the neutrino mass and the equation of state parameter are presented in the model. It is remarked that only the mass of a sterile neutrino is variable in the case of the vanishing mixing between the left-handed and a sterile neutrino on cosmological time scale. The finite mixing makes the mass of the left-handed neutrino variable.

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