Capture of bulk geodesics by brane-world black holes

Abstract

In this note we study bulk timelike geodesics in the presence of a brane-world black hole, where the brane-world is a two-brane moving in a 3+1-dimensional asymptotically $ad{S}_4$ spacetime. We show that for a certain range of the parameters measuring the black hole mass and bulk cosmological constant, there exist stable timelike geodesics which orbit the black hole and remain bound close to the two-brane.

6 pages LaTeX, expanded the conclusion, added some references, the numerical estimate is not sharp

References in corpus (2)

• Brane-World Black Holes
• Black Diamonds at Brane Junctions

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