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Chiral Skyrmionic matter in non-centrosymmetric magnets

2011; IOP Publishing; Volume: 303; Linguagem: Inglês

10.1088/1742-6596/303/1/012105

ISSN

1742-6596

Autores

U. Rößler, А. А. Леонов, Alexei N. Bogdanov,

Tópico(s)

Geomagnetism and Paleomagnetism Studies

Resumo

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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