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- W4249834114 abstract "In 2D classical spin arrays subject to planar Heisenberg interaction Jxy, periodic metastable states of vortex–antivortex pairs will be described. In the unit cell of 2n×2n spins with the symmetry of planar group P4, two vortices and two antivortices are arranged. Their pair energy increases nearly logarithmically with pair distance n. In contrast, for isotropic interaction J the excitations are half-skyrmion-like and their pair energy is ≈4πJ(1–1.02/n2), hence 4πJ in the continuous limit as for a single skyrmion. A collapse is prevented due to the increase of the mean energy per spin for decreasing distance n." @default.
- W4249834114 created "2022-05-12" @default.
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- W4249834114 date "2004-05-01" @default.
- W4249834114 modified "2023-10-14" @default.
- W4249834114 title "2D periodically ordered states of vortices?antivortices and skyrmion-like excitations in planar up to isotropic heisenberg classical spin arrays" @default.
- W4249834114 doi "https://doi.org/10.1016/s0304-8853(03)02027-4" @default.
- W4249834114 hasPublicationYear "2004" @default.
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