Formation and evolution of cosmic D strings

Gia Dvali, Alexander Vilenkin

    Research output: Contribution to journalArticlepeer-review


    We study the formation of D and F cosmic strings in D-brane annihilation after brane inflation. We show that D string formation by quantum de Sitter fluctuations is severely suppressed, due to suppression of RR field fluctuations in compact dimensions. We discuss the resonant mechanism of production of D and F strings, which are formed as magnetic and electric flux tubes of the two orthogonal gauge fields living on the world-volume of the unstable brane. We outline the subsequent cosmological evolution of the D-F string network. We also compare the nature of these strings with the ordinary cosmic strings and point out some differences and similarities.

    Original languageEnglish (US)
    Pages (from-to)153-171
    Number of pages19
    JournalJournal of Cosmology and Astroparticle Physics
    Issue number3
    StatePublished - Mar 2004


    • Inflation
    • String theory and cosmology

    ASJC Scopus subject areas

    • Astronomy and Astrophysics


    Dive into the research topics of 'Formation and evolution of cosmic D strings'. Together they form a unique fingerprint.

    Cite this