Bloch points

Magnetization structure of a Bloch point singularity.
R.G. Elías and A. Verga
EJPB 82, 159 (2011)

Comparison of the Bloch point evolution with fixed magnetization at the surface of a sphere of radius
larger than the exchange length R = 20 nm; times are: (left) t = 0, (middle) t = 80 ps, and (right) t = 160 ps.