An Interacting Dark Energy Model for the Expansion History of the Universe

Details An Interacting Dark Energy Model for the Expansion History of the Universe An Interacting Dark Energy Model for the Expansion History of the Universe

2006-06-16

arxiv.org/abs/astro-ph/0606408v2

Phys.Rev.D74:043530,2006

Astronomy and Astrophysics

Astrophysics

6 pages, 2 figures, Phys. Rev. D version

Scientific paper

10.1103/PhysRevD.74.043530

We explore a model of interacting dark energy where the dark energy density is related by the holographic principle to the Hubble parameter, and the decay of the dark energy into matter occurs at a rate comparable to the current value of the Hubble parameter. We find this gives a good fit to the observational data supporting an accelerating Universe, and the model represents a possible alternative interpretation of the expansion history of the Universe.

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