Topological effects in our brane world from extra dimensions

G. Dvali, Ian I. Kogan, M. Shifman

    Research output: Contribution to journalArticle

    Abstract

    The theories in which our world presents a domain wall (brane) embedded in large extra dimensions predict new types of topological defects. These defects arise due to the fact that the brane on which we live spontaneously breaks isometries of the extra space giving mass to some graviphotons. In many cases the corresponding vacuum manifold has nontrivial homotopies - this gives rise to topologically stable defects in four dimensions, such as cosmic strings and monopoles that carry gravimagnetic flux. The core structure of these defects is somewhat peculiar. Because of the fact that the translation invariance in the extra direction(s) is restored in their core, they act as "windows" to the extra dimensions. We also discuss the corresponding analogue of the Alice strings. Encircling such an object one would get transported onto a parallel brane.

    Original languageEnglish (US)
    Article number106001
    Pages (from-to)1-8
    Number of pages8
    JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
    Volume62
    Issue number10
    StatePublished - Nov 15 2000

    Fingerprint

    Brane World
    Extra Dimensions
    Branes
    Defects
    defects
    Translation Invariance
    Topological Defects
    Cosmic Strings
    strings
    Domain Wall
    Monopole
    Isometry
    Vacuum
    Strings
    monopoles
    Analogue
    domain wall
    invariance
    Predict
    analogs

    ASJC Scopus subject areas

    • Physics and Astronomy(all)
    • Nuclear and High Energy Physics
    • Mathematical Physics
    • Physics and Astronomy (miscellaneous)

    Cite this

    Topological effects in our brane world from extra dimensions. / Dvali, G.; Kogan, Ian I.; Shifman, M.

    In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 62, No. 10, 106001, 15.11.2000, p. 1-8.

    Research output: Contribution to journalArticle

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