Afaik, your intuition is basically right! A superconductor exhibiting only the Meissner effect won't hover ("pin"). It's a defect (where small amounts of the f

Afaik, your intuition is basically right! A superconductor exhibiting only the Meissner effect won't hover ("pin"). It's a defect (where small amounts of the field aren't expelled) that allows for the pinning to happen: https://en.wikipedia.org/wiki/Type-II_superconductor#Flux_pinning https://en.wikipedia.org/wiki/Type-II_superconductor#Flux_pi...