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arxiv: 1202.1296 · v1 · submitted 2012-02-06 · ✦ hep-th · astro-ph.CO· gr-qc

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A no-hair theorem for the galileon

Lam Hui , Alberto Nicolis
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classification ✦ hep-th astro-ph.COgr-qc
keywords galileongravityno-hairtheoremapplybecauseblackcannot
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We consider a galileon field coupled to gravity. The standard no-hair theorems do not apply, because of the galileon's peculiar derivative interactions. We prove that, nonetheless, static spherically symmetric black holes cannot sustain non-trivial galileon profiles. Our theorem holds regardless of whether there are non-minimal couplings between the galileon and gravity of the covariant galileon type.

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