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APS » Phys. Rev. D » Volume 74 » Issue 4

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Phys. Rev. D 74, 043530 (2006) [6 pages]

Interacting dark energy model for the expansion history of the Universe

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Micheal S. Berger and Hamed Shojaei
Physics Department, Indiana University, Bloomington, Indiana 47405, USA

Received 9 July 2006; published 29 August 2006

Weexplore a model of interacting dark energy where the darkenergy density is related by the holographic principle to theHubble parameter, and the decay of the dark energy intomatter occurs at a rate comparable to the current valueof the Hubble parameter. We find this gives a goodfit to the observational data supporting an accelerating Universe, andthe model represents a possible alternative interpretation of the expansionhistory of the Universe.

©2006 The American Physical Society

URL:	http://link.aps.org/doi/10.1103/PhysRevD.74.043530
DOI:	10.1103/PhysRevD.74.043530
PACS:	98.80.-k; 95.36.+x 98.80.-k Cosmology 95.36.+x Dark energy YEAR: 2006
KEYWORDS:	dark energy, cosmology

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