Multiple ΛCDM cosmology with string landscape features and future singularities

E. Elizalde, A. N. Makarenko, S. Nojiri, V. V. Obukhov, S. D. Odintsov

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    5 Citations (Scopus)


    Multiple ΛCDM cosmology is studied in a way that is formally a classical analog of the Casimir effect. Such cosmology corresponds to a time-dependent dark fluid model or, alternatively, to its scalar field presentation, and it motivated by the string landscape picture. The future evolution of the several dark energy models constructed within the scheme is carefully investigated. It turns out to be almost always possible to choose the parameters in the models so that they match the most recent and accurate astronomical values. To this end, several universes are presented which mimic (multiple) ΛCDM cosmology but exhibit Little Rip, asymptotically de Sitter, or Type I, II, III, and IV finite-time singularity behavior in the far future, with disintegration of all bound objects in the cases of Big Rip, Little Rip and Pseudo-Rip cosmologies. © 2012 Springer Science+Business Media Dordrecht.
    Original languageEnglish
    Pages (from-to)479-488
    JournalAstrophysics and Space Science
    Issue number2
    Publication statusPublished - 1 Apr 2013


    • Dark energy
    • Finite future singularity


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