Chaos of Yang-Mills field in class A Bianchi spacetimes

Yoshida Jin, Keiichi Maeda

    Research output: Contribution to journalArticle

    12 Citations (Scopus)

    Abstract

    Studying the Yang-Mills field and the gravitational field in class A Bianchi spacetimes, we find that chaotic behavior appears in the late phase (the asymptotic future). In this phase, the Yang-Mills field behaves as that in Minkowski spacetime, in which we can understand it by a potential picture, except for types VIII and IX. At the same time, in the initial phase (near the initial singularity), we numerically find that the behavior seems to approach the Kasner solution. However, we show that the Kasner circle is unstable and the Kasner solution is not an attractor. From an analysis of stability and numerical simulation, we find a Mixmaster-like behavior in Bianchi I spacetime. Although this result may provide a counterexample to the Belinskii, Khalatnikov, and Lifshitz (BKL) conjecture, we show that the BKL conjecture is still valid in Bianchi IX spacetime. We also analyze a multiplicative effect of two types of chaos, that is, chaos with the Yang-Mills field and that in vacuum Bianchi IX spacetime. Two types of chaos seem to coexist in the initial phase. However, the effect due to the Yang-Mills field is much smaller than that of the curvature term.

    Original languageEnglish
    Pages (from-to)1-11
    Number of pages11
    JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
    Volume71
    Issue number6
    DOIs
    Publication statusPublished - 2005 Mar 15

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    Yang-Mills Field
    Yang-Mills fields
    chaos
    Chaos
    Space-time
    gravitational fields
    Gravitational Field
    Chaotic Behavior
    curvature
    Counterexample
    Attractor
    Multiplicative
    Vacuum
    Circle
    vacuum
    Unstable
    Curvature
    Class
    Singularity
    Valid

    ASJC Scopus subject areas

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

    Cite this

    Chaos of Yang-Mills field in class A Bianchi spacetimes. / Jin, Yoshida; Maeda, Keiichi.

    In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 71, No. 6, 15.03.2005, p. 1-11.

    Research output: Contribution to journalArticle

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