A double Rydberg formula has been developed for Wannier ridge intrashell states of atoms that have a non-nuclear core. A 'double-electron quantum defect' that decreases as the principal quantum number n increases is proposed.
No takes yet. Share an insight, caveat, or question.
F H Read (1990) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: