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Using a model of nonmagnetic impurity potential, we have examined thebehavior of planar vortex solutions in the classical two-dimensional XYferromagnets in the presence of a spin vacancy localized out of the vortexcore. Our results show that a spinless atom impurity gives rise to an effectivepotential that repels the vortex structure.Comment: 6 pages, 2 figures, RevTex

Planar vortex in two-dimensionalXYferromagnets with a nonmagnetic impurity potential