Symmetry Theory of the Flexomagnetoelectric Interaction in the Magnetic Vortices and Skyrmions

Details Symmetry Theory of the Flexomagnetoelectric Interaction in the Magnetic Vortices and Skyrmions Symmetry Theory of the Flexomagnetoelectric Interaction in the Magnetic Vortices and Skyrmions

2011-09-06

arxiv.org/abs/1109.1453v2

Physics

Condensed Matter

Materials Science

Submitted revised version to the Physica B: Condenced Matter

Scientific paper

Symmetry classification of the magnetic vortices and skyrmions has been suggested. Relation between symmetry based predictions and direct calculation has been shown. It was shown, that electric dipole moment of the vortex is located inside the small vortex core. The antivortices and antiskyrmions do not carry the total core electric dipole induced by the flexomagnetoelectric interaction in the hexoctahedral cubic crystal. The volumetric bound electric charge is distributed around the core. Switching of the core electric dipole direction produces the switching of the core magnetization or vortex chirality and vice versa. The vortices and skyrmions with time-invariant enantiomorphism have two degenerative states: clockwise and counterclockwise state.

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