Matches in SemOpenAlex for { <https://semopenalex.org/work/W1500512830> ?p ?o ?g. }
- W1500512830 abstract "We show that an interaction between dark matter and dark energy generically results in an effective dark-energy equation of state of $w<ensuremath{-}1$. This arises because the interaction alters the redshift dependence of the matter density. An observer who fits the data treating the dark matter as noninteracting will infer an effective dark-energy fluid with $w<ensuremath{-}1$. We argue that the model is consistent with all current observations, the tightest constraint coming from estimates of the matter density at different redshifts. Comparing the luminosity and angular-diameter distance relations with $ensuremath{Lambda}mathrm{CDM}$ and phantom models, we find that the three models are degenerate within current uncertainties but likely distinguishable by the next generation of dark-energy experiments." @default.
- W1500512830 created "2016-06-24" @default.
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- W1500512830 date "2006-04-06" @default.
- W1500512830 modified "2023-09-25" @default.
- W1500512830 title "Superacceleration as the signature of a dark sector interaction" @default.
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- W1500512830 doi "https://doi.org/10.1103/physrevd.73.083509" @default.
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