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Higher dimensional gravity, bubbles, and new puzzles for AdS/CFT

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If you have a question about this talk, please contact David Kubiznak .

In more than four dimensions, it is now well known that there are multiple types of black holes. I’ll review the fact there are also regular horizon-free geometries ruled out in four dimensions that may be described as non-Kaluza Klein bubbles of nothing. These topologically nontrivial solutions that present new puzzles for the AdS/CFT correspondence, in particular the fact that one may write down regular (horizon-free) solitons that violate the BPS bound.

This talk is part of the DAMTP Friday GR Seminar series.

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