Static BPS 'monopoles' in all even spacetime dimensions
Abstract
Two families of SO(2n) Higgs models in 2n dimensional spacetime are presented. One family arises from the dimensional reduction of higher dimensional Yang-Mills systems while the construction of the other one is ad hoc, the n=2 member of each family coinciding with the usual SU(2) Yang-Mills--Higgs system without Higgs potential. All models support BPS 'monopole' solutions. The 'dyons' of the dimensionally descended models are also BPS, while the electrically charged solutions of the ad hoc models are not BPS.
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