Graviton confinement inside hypermonopoles of any dimension

Details Graviton confinement inside hypermonopoles of any dimension Graviton confinement inside hypermonopoles of any dimension

2010-02-26

arxiv.org/abs/1002.5021v2

Physics

High Energy Physics

High Energy Physics - Theory

23 pages, 6 figures, uses iopart. Misprints corrected, references added, matches published version

Scientific paper

We show the generic existence of metastable massive gravitons in the four-dimensional core of self-gravitating hypermonopoles in any number of infinite-volume extra-dimensions. Confinement is observed for Higgs and gauge bosons couplings of the order unity. Provided these resonances are light enough, they realise the Dvali-Gabadadze-Porrati mechanism by inducing a four-dimensional gravity law on some intermediate length scales. The effective four-dimensional Planck mass is shown to be proportional to a negative power of the graviton mass. As a result, requiring gravity to be four-dimensional on cosmological length scales may solve the mass hierarchy problem.

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