Multiverse cosmological models

P. C. W. Davies

    Research output: Contribution to journalArticlepeer-review

    37 Citations (Scopus)


    Recent advances in string theory and inflationary cosmology have led to a surge of interest in the possible existence of an ensemble of cosmic regions, or "universes", among the members of which key physical parameters, such as the masses of elementary particles and the coupling constants, might assume different values. The observed values in our cosmic region are then attributed to an observer selection effect (the so-called anthropic principle). The assemblage of universes has been dubbed "the multiverse". In this paper we review the multiverse concept and the criticisms that have been advanced against it on both scientific and philosophical grounds.
    Original languageEnglish
    Pages (from-to)727-743
    Number of pages17
    JournalModern Physics Letters A
    Issue number10
    Publication statusPublished - 2004


    • cosmological models
    • multiverse
    • anthropic principle


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