Tuesday 19 April 2016

Thermally activated helicity reversals of skyrmions

Thermally activated helicity reversals of skyrmions.
X. Z. Yu, K. Shibata, W. Koshibae, Y. Tokunaga, Y. Kaneko, T. Nagai, K. Kimoto, Y. Taguchi, N. Nagaosa, and Y. Tokura
Phys. Rev. B 93, 134417 (2016)
Schematic of a bubble with winding number 1. Arrows show that the magnetic moments and concentric rings are a bubble domain wall. ϕ, φ, and ψ denote the polar angle, azimuthal angle, and the angle between the magnetic moment and the x direction, respectively.

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