Bloch point structure

Bloch point structure in a magnetic nanosphere.
Oleksandr V. Pylypovskyi, Denis D. Sheka, and Yuri Gaididei
Phys. Rev. B 85, 224401 (2012)

Dynamics of total spin along the z axis of the sample. The Bloch point is initially shifted by Δz=−2a₀ from the center of the sample. The insets show magnetization distribution in z=−0.5a₀ and y=−0.5a₀ planes for different times. The color bar indicates S_z,n for different lattice nodes.