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Phys. Rev. D 73, 083528 (2006) [8 pages]

Interacting dark energy and the cosmic coincidence problem

Micheal S. Berger and Hamed Shojaei
Physics Department, Indiana University, Bloomington, Indiana 47405, USA
Received 2 March 2006; published 27 April 2006

The introduction of an interaction for dark energy to the standard cosmology offers a potential solution to the cosmic coincidence problem. We examine the conditions on the dark energy density that must be satisfied for this scenario to be realized. Under some general conditions we find a stable attractor for the evolution of the Universe in the future. Holographic conjectures for the dark energy offer some specific examples of models with the desired properties.

©2006 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevD.73.083528
DOI: 10.1103/PhysRevD.73.083528
PACS: 98.80.-k; 95.36.+x
KEYWORDS: dark energy, cosmology

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