Symmetry nonrestoration at high temperature and the monopole problem

Gia Dvali, Alejandra Melfo, Goran Senjanović

    Research output: Contribution to journalArticle

    Abstract

    We show that there exists a range of parameters in SU(5) theory for which the grand unified theory symmetry remains broken at high temperature, thus avoiding the phase transition that gives rise to the overproduction of monopoles. The thermal production of monopoles can be naturally suppressed, keeping their number density below the cosmological limits.

    Original languageEnglish (US)
    Pages (from-to)4559-4562
    Number of pages4
    JournalPhysical Review Letters
    Volume75
    Issue number25
    DOIs
    StatePublished - 1995

    ASJC Scopus subject areas

    • Physics and Astronomy(all)

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