Spatially compact solutions and stabilization in Einstein-Yang-Mills-Higgs theories
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Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Péter Forgács1, Sébastien Reuillon
1Laboratoire de Mathématiques et PhysiqueThéorique, CNRS-UMR 6083, Université de Tours, Parc de Grandmont, 37200 Tours, France.
Abstract:
New solutions to the static, spherically symmetric Einstein-Yang-Mills-Higgs equations with the Higgs field in the triplet (doublet) representation are presented. They form continuous families parametrized by alpha = M(W)/M(Pl) [M(W) (M(Pl)) denoting the W boson (the Planck) mass]. The corresponding space-times are regular and have spatially compact sections. A particularly interesting class with the Yang-Mills amplitude being nodeless is exhibited and is shown to be linearly stable with respect to spherically symmetric perturbations. For some solutions with nodes of the Yang-Mills amplitude a new stabilization phenomenon is found, according to which their unstable modes disappear as alpha increases (for the triplet) or decreases (for the doublet).
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