Dark energy from Neutrinos and Standard Model Higgs potential

Details Dark energy from Neutrinos and Standard Model Higgs potential Dark energy from Neutrinos and Standard Model Higgs potential

2010-06-23

arxiv.org/abs/1006.4461v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages

Scientific paper

If neutrino mass is a function of the Higgs potential then minimum of the total thermodynamic potential $\Omega$ (which is the Higgs potential minus the neutrino pressure) can shift from the standard electro-weak vev $v=246.2$ GeV by a small amount which depends on the neutrino pressure. If the neutrino mass is a very steep function of the Higgs field then the equilibrium thermodynamic potential can act like the dark energy with $\omega \simeq -1$. Choosing the neutrino mass as logarithmic function of the Higgs field and a heavy mass scale, we find that the correct magnitude of the cosmological density of the present universe $\rho_\lambda \simeq (0.002 eV)^4$ is obtained by choosing the heavy mass at the GUT scale.

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