Finite mass gravitating Yang monopoles
arXiv:0809.0806 · doi:10.1103/PhysRevD.78.125016
Abstract
We show that gravity cures the infra-red divergence of the Yang monopole when a proper definition of conserved quantities in curved backgrounds is used, i.e. the gravitating Yang monopole in cosmological Einstein theory has a finite mass in generic even dimensions (including time). In addition, we find exact Yang-monopole type solutions in the cosmological Einstein-Gauss-Bonnet-Yang-Mills theory and briefly discuss their properties.
10 pages, no figures, RevTeX 4; version 2 to appear in PRD with minor wording changes
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