7. Superconductivity - University of Liverpool

Vortices.
In the lectures on superfluid helium, we have seen that a
macroscopic wavefunction can give rise to vortices that
quantised.
If the electrons in a superconductor also forms a macroscopic
wavefunction, quantised vortices should also be possible in the
electrons. This is indeed observed:
Essmann and Trauble, Physics Letters 24A, 526 (1967)
Superconductivity 32