Magnetic soliton transport over topological spin texture in chiral helimagnet with strong easy-plane anisotropy

Details Magnetic soliton transport over topological spin texture in chiral helimagnet with strong easy-plane anisotropy Magnetic soliton transport over topological spin texture in chiral helimagnet with strong easy-plane anisotropy

2009-01-11

arxiv.org/abs/0901.1423v1

Physics

Condensed Matter

Strongly Correlated Electrons

10 pages, 3 figures

Scientific paper

We show the existence of an isolated soliton excitation over the topological ground state configuration in chiral helimagnet with the Dzyaloshinskii-Moryia exchange and the strong easy-plane anisotropy. The magnetic field perpendicular to the helical axis stabilizes the kink crystal state which plays a role of "topological protectorate" for the traveling soliton with a definite handedness. To find new soliton solution, we use the B\"{a}cklund transformation technique. It is pointed out that the traveling soliton carries the magnon density and a magnetic solition transport may be realized.

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