Sweeping away the monopole problem

G. Dvali, Hong Liu, Tanmay Vachaspati

    Research output: Contribution to journalArticlepeer-review


    We propose a new solution to the cosmological monopole problem in which domain walls sweep away the magnetic monopoles and subsequently decay. The solution does not require extensive fine-tuning or model building; it works for the prototype SU(5) grand unification model. More generally, it shows that defect interactions can lead to “defect erasure” in phase transitions and that this can be relevant to early universe physics.

    Original languageEnglish (US)
    Pages (from-to)2281-2284
    Number of pages4
    JournalPhysical Review Letters
    Issue number11
    StatePublished - 1998

    ASJC Scopus subject areas

    • General Physics and Astronomy


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