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A Black Hole Levitron

We study the problem of spatially stabilising four dimensional extremal black holes in background electric/magnetic fields. Whilst looking for stationary stable solutions describing black holes kept in external fields we find that taking a continuum limit of Denef et al's multi-center solutions provides a supergravity description of such backgrounds within which a black hole can be trapped in a given volume. This is realised by levitating a black hole over a magnetic dipole base. We comment on how such a construction resembles a mechanical Levitron.

preprint2009arXivOpen access
Xerxes D. ArsiwallaErik P. Verlinde
hep-th
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Open access2 authors1 topic
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Xerxes D. ArsiwallaErik P. Verlinde

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