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Unified Brane Gravity: Cosmological Dark Matter from Scale Dependent Newton Constant

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 نشر من قبل Ilya Gurwich
 تاريخ النشر 2009
  مجال البحث فيزياء
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We analyze, within the framework of unified brane gravity, the weak-field perturbations caused by the presence of matter on a 3-brane. Although deviating from the Randall-Sundrum approach, the masslessness of the graviton is still preserved. In particular, the four-dimensional Newton force law is recovered, but serendipitously, the corresponding Newton constant is shown to be necessarily lower than the one which governs FRW cosmology. This has the potential to puzzle out cosmological dark matter. A subsequent conjecture concerning galactic dark matter follows.



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