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arxiv: 0706.3064 · v1 · submitted 2007-06-20 · 🌌 astro-ph · hep-ph· hep-th

Growing Matter

Luca Amendola (INAF/OAR , Roma , Italy) , Marco Baldi (Max-Planck-Institut f. Astrophysics , Garching , Germany) , Christof Wetterich (Institute for Theoretical Physics , Heidelberg This is my paper
classification 🌌 astro-ph hep-phhep-th
keywords mattergrowingcomponentmassacceleratedappearancearoundassociate
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We investigate quintessence cosmologies with a matter component consisting of particles with an increasing mass. While negligible in early cosmology, the appearance of a growing matter component has stopped the evolution of the cosmon field at a redshift around six. In turn, this has triggered the accelerated expansion of the Universe. We propose to associate growing matter with neutrinos. Then the presently observed dark energy density and its equation of state are determined by the neutrino mass.

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