The matter power spectrum as a tool to discriminate dark matterr-dark energy interactions
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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.
3 pages, no figures, uses World Sci. style, submitted to te Proc. of the Eleventh Marcel Grossmann Meeting
3 pages, no figures, uses World Sci. style, submitted to te Proc. of the Eleventh Marcel Grossmann Meeting