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Effective theory approach to brane world black holes
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We derive static spherically-symmetric vacuum solutions of the low-energy effective action for the two brane Randall-Sundrum model. The solutions with non-trivial radion belong to a one-parameter family describing traversable wormholes between the branes and a black hole, and were first discovered in the context of Einstein gravity with a conformally-coupled scalar field. From a brane world perspective, a distinctive feature of all the solutions with non-trivial radion is a brane intersection about which the bulk geometry is conical but the induced metrics on the branes are regular. Contrary to earlier claims in the literature, we show these solutions are stable under monopole perturbations.
Forward citations
Cited by 2 Pith papers
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On the instability of some k-essence space-times
Two previously found k-essence black hole/wormhole solutions are shown to be unstable under radial perturbations, and a generic instability is argued for power-law k-essence with exponent n < 1/2.
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Spherically symmetric black holes and wormholes in hybrid metric-Palatini gravity
In the massless sector of hybrid metric-Palatini gravity, exact spherical vacuum solutions are generically singular or wormhole-like, with special extremal black holes and an infinite-horizon geometry.
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