Astronomy and Astrophysics – Astrophysics
Scientific paper
2008-06-12
Phys.Rev.D78:021302,2008
Astronomy and Astrophysics
Astrophysics
14 pages, 5 figures. Key words: Cosmology, dark energy, coincidence problem. Slightly extended version of the paper published
Scientific paper
10.1103/PhysRevD.78.021302
The coincidence problem of late cosmic acceleration constitutes a serious riddle with regard to our understanding of the evolution of the Universe. Here we argue that this problem may someday be solved -or better understood- by expressing the Hubble expansion rate as a function of the ratio of densities (dark matter/dark energy) and observationally determining the said rate in terms of the redshift.
del Campo Sergio
Herrera Ramon
Pavon Diego
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