fig5
![Topological transformation of magnetic hopfion in confined geometries](https://image.oaes.cc/c6670d56-42f2-47b1-bc63-35459146ca04/microstructures4069.fig.5.jpg)
Figure 5. Current-driven dynamics of hopfions in designed nanostructures. Trajectory of hopfions in (A) nanostripe with a single notch. (B) “H-like” shaped nanostructures at J = -10 × 1011 A·m-2. (C) Current-driven transition from hopfion to toron in a stepped geometry at