Astronomy and Astrophysics – Astrophysics
Scientific paper
2006-12-29
Astronomy and Astrophysics
Astrophysics
3 pages, no figures, uses World Sci. style, submitted to te Proc. of the Eleventh Marcel Grossmann Meeting
Scientific paper
The coincidence problem of late cosmic acceleration gets significantly alleviated when a suitable interaction between matter and dark energy, either of phantom type or not, enters the picture. We show that a class of models featuring this interaction fares rather well when contrasted with the anisotropies of the CMBR and the matter power spectrum. The latter test is very sensible to the interaction and may be used to discriminate between different models.
Atrio-Barandela Fernando
Olivares German
Pavon Diego
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