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Strong coupling in Horava gravity.

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If you have a question about this talk, please contact Dr H K Kunduri .

Based on the gravity theory proposed recently by Horava, we work out how perturbations behave about the vacuum of the theory. We observe two different strong coupling problems: one associated with the principle of detailed balance (an elegant but not essential ingredient of the theory), and the other, as a result of the extra degrees of freedom from breaking Lorentz invariance. These problems suggest that General Relativity is not recovered in the infra-red limit, as was initially expected.

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

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