D walls and junctions in supersymmetric gluodynamics in the large N limit suggest the existence of heavy hadrons

Gregory Gabadadze, Mikhail Shifman

    Research output: Contribution to journalArticle

    Abstract

    A number of arguments exists that the "minimal" Bogomol'nyi-Prasad-Sommerfeld (BPS) wall width in large-N supersymmetric gluodynamics vanishes as 1/N. There is a certain tension between this assertion and the fact that the mesons coupled to λλ have masses script O sign(N0). To reconcile these facts we argue that there should exist additional solitonlike states with masses scaling as N. The BPS walls must be "made" predominantly of these heavy states which are coupled to λλ stronger than the conventional mesons. The tension of the BPS wall junction scales as N2, which serves as an additional argument in favor of the 1/N scaling of the wall width. The heavy states can be thought of as solitons of the corresponding closed string theory. They are related to certain fivebranes in the M-theory construction. We study the issue of the wall width in toy models which capture some features of supersymmetric gluodynamics. We speculate that the special hadrons with mass scaling as N should also exist in the large-N limit of nonsupersymmetric gluodynamics.

    Original languageEnglish (US)
    Article number075014
    Pages (from-to)1-13
    Number of pages13
    JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
    Volume61
    Issue number7
    StatePublished - Apr 1 2000

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    hadrons
    Scaling
    Mesons
    M-Theory
    scaling
    String Theory
    Assertion
    mesons
    Solitons
    Vanish
    Closed
    string theory
    solitary waves
    Model

    ASJC Scopus subject areas

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

    Cite this

    D walls and junctions in supersymmetric gluodynamics in the large N limit suggest the existence of heavy hadrons. / Gabadadze, Gregory; Shifman, Mikhail.

    In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 61, No. 7, 075014, 01.04.2000, p. 1-13.

    Research output: Contribution to journalArticle

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