Delta function singularities in the Weyl tensor at the brane

Details Delta function singularities in the Weyl tensor at the brane Delta function singularities in the Weyl tensor at the brane

2001-01-08

arxiv.org/abs/hep-th/0101047v1

Phys.Rev. D64 (2001) 068501

Physics

High Energy Physics

High Energy Physics - Theory

RevTeX, 6 pages

Scientific paper

10.1103/PhysRevD.64.068501

In a recent paper Shiromizu, Maeda and Sasaki derived the gravitational equations of motion which would hold on a brane which is embedded in a higher dimensional bulk spacetime, showing that even when the Einstein equations are imposed in the bulk, nonetheless the embedding leads to a modification of the Einstein equations on the brane. In this comment on their work we explicitly identify and evaluate a delta function singularity effect at the brane which they do not appear to have discussed in their paper, an effect which, while actually being of interest in and of itself, nonetheless turns out not to modify their reported results.

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