FWIW - This story in today's SciNews supports a three wave structure in superconductivity
https://phys.org/news/2021-01-class-superconductors.html ... "s- wave, p-wave and d-wave channels" ... Jones Jürg Wyttenbach wrote: >From the SO(4) model it is clear that the electron is a resonance of the >proton. In the bound (ground) state there is no electron as we know it from >the unbound state. The electron unfolds in three steps as it is a three wave structure that breaks up. This picture only works for Hydrogen. In all other nuclei we have complex flux interactions among shell electron waves. J.W.
