TL;DR
This paper explores nontrivial solutions with NUT charge in Einstein-Yang-Mills-Higgs theory, revealing how nonabelian monopoles acquire electric fields in gravitational dyon backgrounds and generalizing known dyon black hole solutions.
Contribution
It introduces new nontrivial NUT-charged solutions in Einstein-Yang-Mills-Higgs theory, expanding understanding of gravitational dyons and their properties.
Findings
Solutions approach asymptotic Taub-NUT spacetime
Magnetic monopoles acquire electric fields in dyon backgrounds
Magnetic charge can take arbitrary values
Abstract
We argue that the Einstein-Yang-Mills-Higgs theory presents nontrivial solutions with a NUT charge. These solutions approach asymptotically the Taub-NUT spacetime and generalize the known dyon black hole configurations. The main properties of the solutions and the differences with respect to the asymptotically flat case are discussed. We find that a nonabelian magnetic monopole placed in the field of gravitational dyon necessarily acquires an electric field, while the magnetic charge may take arbitrary values.
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