DW on helical magnets

Vortex Domain Walls in Helical Magnets.
Fuxiang Li, T. Nattermann, and V. L. Pokrovsky
Phys. Rev. B 108, 107203 (2012)

DWs in centrosymmetric helical magnets. Cross section parallel to the x-y plane of (a) a Hubert wall, (b) a vortex wall parallel to the helical axis in a system where the magnetization rotates in the x-y plane, (c) a vortex wall tilted
with respect to the helical axis.