Matches in SemOpenAlex for { <https://semopenalex.org/work/W2594520447> ?p ?o ?g. }
- W2594520447 abstract "We extend the results of a previous paper where a model of interacting dark energy, with a cosmological term decaying linearly with the Hubble parameter, is tested against the observed mass power spectrum. In spite of the agreement with observations of type Ia supernovas, baryonic acoustic oscillations, and the cosmic microwave background, we had shown previously that no good concordance is achieved if we include the mass power spectrum. However, our analysis was based on the ad hoc assumption that the interacting cosmological term is strictly homogeneous. Now we perform a more complete analysis, by perturbing such a term. Although our conclusions are still based on a particular, scale-invariant choice of the primordial spectrum of dark energy perturbations, we show that a cosmological term decaying linearly with the Hubble parameter is indeed disfavored as compared to the standard model." @default.
- W2594520447 created "2017-03-16" @default.
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- W2594520447 date "2008-12-18" @default.
- W2594520447 modified "2023-09-23" @default.
- W2594520447 title "Evolution of density perturbations in decaying vacuum cosmology: The case of nonzero perturbations in the cosmological term" @default.
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- W2594520447 doi "https://doi.org/10.1103/physrevd.78.123522" @default.
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