Odd-Parity Negative Modes of Einstein-Yang-Mills Black Holes and Sphalerons
arXiv:hep-th/9409041 · doi:10.1016/0370-2693(94)01310-9
Abstract
An analytical proof of the existence of negative modes in the odd--parity perturbation sector is given for all known non-abelian Einstein--Yang--Mills black holes. The significance of the normalizability condition in the functional stability analysis is emphasized. The role of the odd--parity negative modes in the sphaleron interpretation of the Bartnik--McKinnon solutions is discussed.
(minor typographical errors fixed, to appear in Phys.Lett.B)
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