Magnetostatic energies of spherical particles

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Abstract
The demagnetizing energy or magnetostatic self energy of a spherical particle is calculated for two groups of magnetic `free pole' configuration. The groups are chosen so that the calculated energies are directly applicable to problems concerning (a) non-magnetic inclusions in uniaxially magnetized domains and supporting `spikes' of reverse magnetization and (b) spherical magnetic particles of uniaxial materials containing few domains. The results are presented in graphical form but the various equations should be easily applied to different problems.

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