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Non-existence of short hairs for static black holes (2402.09044v1)
Published 14 Feb 2024 in gr-qc and hep-th
Abstract: The black hole no-short hair theorem establishes a universal lower bound on the extension of hairs outside any 4-dimensional spherically symmetric black hole solutions. We generalise this theorem beyond spherical symmetry, specifically for static, axisymmetric hairy black hole solutions and prove that the ``hairosphere'' must extend beyond the radial extent of the innermost light ring.
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