Common Origin of Visible and Dark Universe

Details Common Origin of Visible and Dark Universe Common Origin of Visible and Dark Universe

2009-09-29

arxiv.org/abs/0909.5463v1

Phys.Rev.D81:033001,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 1 figure

Scientific paper

10.1103/PhysRevD.81.033001

Dark matter, baryonic matter and dark energy have different properties but contribute comparable energy density to the present Universe. We point out that they may have a common origin. As the dark energy has a scale far lower than all known scales in particle physics but very close to neutrino masses, while the excess matter over antimatter in the baryonic sector is probably related to the neutrino mass-generation, we unify the origin of dark and visible Universe in a variant of seesaw model. In our model (i) the dark matter relic density is a dark matter asymmetry emerged simultaneously with the baryon asymmetry from leptogenesis; (ii) the dark energy is due to a pseudo-Nambu-Goldstone-Boson associated with the neutrino mass-generation.

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