Limits on the parameters of the equation of state for interacting dark energy

Details Limits on the parameters of the equation of state for interacting dark energy Limits on the parameters of the equation of state for interacting dark energy

2010-04-14

arxiv.org/abs/1004.2360v1

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

18 pages, 11 figures, accepted for publication on Physics Letters B

Scientific paper

Under the assumption that cold dark matter and dark energy interact with each other through a small coupling term, $Q$, we constrain the parameter space of the equation of state $w$ of those dark energy fields whose variation of the field since last scattering do not exceed Planck's mass. We use three parameterizations of $w$ and two different expressions for $Q$. Our work extends previous ones.

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