The superflow of two kinds of superconducting electrons (arrows show their velocities) as calculated on supercomputers.
Graphic 1 shows the first kind of supercurrent forming vortices.
The superflow of two kinds of superconducting electrons (arrows show their velocities) as calculated on supercomputers.
Graphic 2 shows superflow of the other subpopulation of electrons on the surface of a vortex cluster.