NMR study of the Superconducting gap variation near the Mott transition in Cs${}_3$C${}_{60}$

P. Wzietek, T. Mito, H. Alloul +3

Former extensive studies of superconductivity in the \textit{A}${}_3$C${}_{60}$ compounds, where \textit{A} is an alkali, have led to consider that Bardeen Cooper Schrieffer (BCS) el…