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Speaker |
Willison, Steven |
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Co-autors |
Cecilia Garraffo, Elias Gravanis, Steven Willison |
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Talk Title |
Vacuum thin-shell solutions in five-dimensional Lovelock theory of gravity |
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Abstract |
We discuss junction conditions for vacuum solutions in Einstein-Gauss-Bonnet gravity in five-dimensions. These come from considering boundary terms in the Lovelock action. We focus on those cases where two spherically symmetric regions of space-time are joined in such a way that the induced stress tensor on the junction surface vanishes. For those cases, new global structures with surprising features are seen to arise. In particular, we show that vacuum spherically symmetric wormholes do exist in this theory. These can be regarded as gravitational solitons connecting two asymptotically (Anti) de-Sitter spaces. |
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