Authors discretize an S^3 sigma model with generalized DMI on cubic lattices, run Monte Carlo simulations, and report phases including a toroidal antiSkyrmion of unit charge.
Chiral Skyrmionic matter in non-centrosymmetric magnets
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abstract
Axisymmetric magnetic strings with a fixed sense of rotation and nanometer sizes (chiral magnetic vortices or Skyrmions) have been predicted to exist in a large group of non-centrosymmetric crystals more than two decades ago. Recently these extraordinary magnetic states have been directly observed in thin layers of cubic helimagnet (Fe,Co)Si. In this report we apply our earlier theoretical findings to review main properties of chiral Skyrmions, to elucidate their physical nature, and to analyse these recent experimental results on magnetic-field-driven evolution of Skyrmions and helicoids in chiral helimagnets.
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cond-mat.mes-hall 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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Phase diagram of magnetic $S^3$ Skyrmions on three-dimensional lattices and the toroidal antiSkyrmion
Authors discretize an S^3 sigma model with generalized DMI on cubic lattices, run Monte Carlo simulations, and report phases including a toroidal antiSkyrmion of unit charge.