Three-dimensional static vortex solitons in incommensurate magnetic crystals

Details Three-dimensional static vortex solitons in incommensurate magnetic crystals Three-dimensional static vortex solitons in incommensurate magnetic crystals

2011-08-22

arxiv.org/abs/1108.4330v1

Low Temp. Phys. 36, 766 (2010)

Physics

Condensed Matter

Strongly Correlated Electrons

7 pages, 5 figures

Scientific paper

10.1063/1.3493376

A new type of three-dimensional magnetic soliton in easy-axis ferromagnets is predicted by taking simultaneous account of the Dzyaloshinsky-Moriya interaction and an external magnetic field. The numerically obtained static three-dimensional solitons with a finite energy are characterized by a Hopf topological index H=0 and have a vortex structure. The structure of these solitons and the dependence of their energy on the external field are determined. The asymptotic behavior of these solitons is investigated and a necessary condition for their existence is found.

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