Dilaton gravity on the brane

Keiichi Maeda, David Wands

    Research output: Contribution to journalArticle

    178 Citations (Scopus)

    Abstract

    We derive the four-dimensional field equations for the induced metric and scalar field on the world-volume of a 3-brane in a five-dimensional bulk with Einstein gravity plus a self-interacting scalar field. We calculate the effective four-dimensional gravitational constant and cosmological constant for arbitrary forms of the brane tension and self-interaction potential for the scalar field in the bulk. In addition to the canonical energy-momentum tensor for the scalar field and ordinary matter on the brane, the effective four-dimensional Einstein equations include terms due to the scalar field and gravitational waves in the bulk. We present solutions corresponding to static Minkowski brane worlds and also dynamical Friedmann-Robertson-Walker brane world cosmologies. We discuss the induced coupling of the scalar field to ordinary matter on the brane.

    Original languageEnglish
    Article number124009
    Pages (from-to)1-9
    Number of pages9
    JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
    Volume62
    Issue number12
    Publication statusPublished - 2000 Dec 15

    Fingerprint

    Dilaton
    Branes
    Scalar Field
    Gravity
    gravitation
    scalars
    Brane World
    Gravitational constant
    gravitational constant
    Energy-momentum Tensor
    Einstein Equations
    Gravitational Waves
    Cosmological Constant
    Einstein equations
    gravitational waves
    Albert Einstein
    kinetic energy
    tensors
    Calculate
    Metric

    ASJC Scopus subject areas

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

    Cite this

    Dilaton gravity on the brane. / Maeda, Keiichi; Wands, David.

    In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 62, No. 12, 124009, 15.12.2000, p. 1-9.

    Research output: Contribution to journalArticle

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