Holographic field theory models of dark energy in interaction with dark matter

Details Holographic field theory models of dark energy in interaction with dark matter Holographic field theory models of dark energy in interaction with dark matter

2010-09-30

arxiv.org/abs/1009.6198v4

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

arXiv admin note: substantial text overlap with arXiv:0912.3992

Scientific paper

We discuss two lagrangian interacting dark energy models in the context of the holographic principle. The potentials of the interacting fields are constructed. The models are compared with CMB distance information, baryonic acoustic oscilations, lookback time and the Constitution supernovae sample. For both models the results are consistent with a non vanishing interaction between dark sectors - with more than three standard deviations of confidence for one of them. Moreover, in both cases, the sign of coupling is consistent with dark energy decaying into dark matter, alleviating the coincidence problem.

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