期刊
PHYSICS LETTERS B
卷 669, 期 5, 页码 275-277出版社
ELSEVIER
DOI: 10.1016/j.physletb.2008.10.017
关键词
Holography; Dark energy; Redshift
资金
- Universidad del Valle [CI-7713]
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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