Journal
PHYSICS LETTERS B
Volume 669, Issue 5, Pages 275-277Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2008.10.017
Keywords
Holography; Dark energy; Redshift
Funding
- Universidad del Valle [CI-7713]
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We propose an infrared cut-off for the holographic dark energy, which besides the square of the Hubble scale also contains the time derivative of the Hubble scale. This avoids the problem of causality which appears using the event horizon area as the cut-off, and solves the coincidence problem. (C) 2008 Published by Elsevier B.V.
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