Growing Matter

Details Growing Matter Growing Matter

2007-06-20

arxiv.org/abs/0706.3064v1

Phys.Rev.D78:023015,2008

Astronomy and Astrophysics

Astrophysics

6 pages

Scientific paper

10.1103/PhysRevD.78.023015

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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