Tunneling into extra dimension and high-energy violation of Lorentz invariance

Sergei L. Dubovsky

    Research output: Contribution to journalArticle

    Abstract

    We consider a class of models with infinite extra dimension, where bulk space does not possess SO (1, 3) invariance, but Lorentz invariance emerges as an approximate symmetry of the low-energy effective theory. In these models, the maximum attainable speeds of the graviton, gauge bosons and scalar particles are automatically equal to each other and smaller than the maximum speed in the bulk. Additional fine-tuning is needed in order to assure that the maximum attainable speed of fermions takes the same value. A peculiar feature of our scenario is that there are no truly localized modes. All four-dimensional particles are resonances with finite widths. The latter depends on the energy of the particle and is naturally small at low energies.

    Original languageEnglish (US)
    Pages (from-to)231-247
    Number of pages17
    JournalJournal of High Energy Physics
    Volume6
    Issue number1
    StatePublished - Jan 1 2002

    Fingerprint

    invariance
    gravitons
    energy
    bosons
    fermions
    tuning
    scalars
    symmetry

    Keywords

    • Extra Large Dimensions
    • Space-Time Symmetries

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

    Cite this

    Tunneling into extra dimension and high-energy violation of Lorentz invariance. / Dubovsky, Sergei L.

    In: Journal of High Energy Physics, Vol. 6, No. 1, 01.01.2002, p. 231-247.

    Research output: Contribution to journalArticle

    @article{7c3693b3ec9f4255850680b3fce4c5e7,
    title = "Tunneling into extra dimension and high-energy violation of Lorentz invariance",
    abstract = "We consider a class of models with infinite extra dimension, where bulk space does not possess SO (1, 3) invariance, but Lorentz invariance emerges as an approximate symmetry of the low-energy effective theory. In these models, the maximum attainable speeds of the graviton, gauge bosons and scalar particles are automatically equal to each other and smaller than the maximum speed in the bulk. Additional fine-tuning is needed in order to assure that the maximum attainable speed of fermions takes the same value. A peculiar feature of our scenario is that there are no truly localized modes. All four-dimensional particles are resonances with finite widths. The latter depends on the energy of the particle and is naturally small at low energies.",
    keywords = "Extra Large Dimensions, Space-Time Symmetries",
    author = "Dubovsky, {Sergei L.}",
    year = "2002",
    month = "1",
    day = "1",
    language = "English (US)",
    volume = "6",
    pages = "231--247",
    journal = "Journal of High Energy Physics",
    issn = "1126-6708",
    publisher = "Springer Verlag",
    number = "1",

    }

    TY - JOUR

    T1 - Tunneling into extra dimension and high-energy violation of Lorentz invariance

    AU - Dubovsky, Sergei L.

    PY - 2002/1/1

    Y1 - 2002/1/1

    N2 - We consider a class of models with infinite extra dimension, where bulk space does not possess SO (1, 3) invariance, but Lorentz invariance emerges as an approximate symmetry of the low-energy effective theory. In these models, the maximum attainable speeds of the graviton, gauge bosons and scalar particles are automatically equal to each other and smaller than the maximum speed in the bulk. Additional fine-tuning is needed in order to assure that the maximum attainable speed of fermions takes the same value. A peculiar feature of our scenario is that there are no truly localized modes. All four-dimensional particles are resonances with finite widths. The latter depends on the energy of the particle and is naturally small at low energies.

    AB - We consider a class of models with infinite extra dimension, where bulk space does not possess SO (1, 3) invariance, but Lorentz invariance emerges as an approximate symmetry of the low-energy effective theory. In these models, the maximum attainable speeds of the graviton, gauge bosons and scalar particles are automatically equal to each other and smaller than the maximum speed in the bulk. Additional fine-tuning is needed in order to assure that the maximum attainable speed of fermions takes the same value. A peculiar feature of our scenario is that there are no truly localized modes. All four-dimensional particles are resonances with finite widths. The latter depends on the energy of the particle and is naturally small at low energies.

    KW - Extra Large Dimensions

    KW - Space-Time Symmetries

    UR - http://www.scopus.com/inward/record.url?scp=21644467846&partnerID=8YFLogxK

    UR - http://www.scopus.com/inward/citedby.url?scp=21644467846&partnerID=8YFLogxK

    M3 - Article

    VL - 6

    SP - 231

    EP - 247

    JO - Journal of High Energy Physics

    JF - Journal of High Energy Physics

    SN - 1126-6708

    IS - 1

    ER -