Figure 4
From: Cooper Pairs Distribution function for bcc Niobium under pressure from first-principles

\({T}_{c}\) experimental data3 and \({N}_{cp}\) as a function of pressure for Nb: (a) \(0\le P\le 10 \,{\text{GPa}}\) and (b) \(45\le P\le 75 \,{\text{GPa}}\).