Nearly-Free-Electron Susceptibility of Noble Metals

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Abstract
Theoretical calculations of the magnetic susceptibility of solid and liquid noble metals are presented. The effective shape of the Fermi surface of solid metals is taken into account by using the simple "eight-cone" model by Ziman. The interference function of liquid metals is evaluated according to the procedure given by Ashcroft and Lekner. A model potential recently proposed by the authors allows completion of the calculations. We find that, when electron correlations are taken into account, good agreement with the available experimental data generally results. The resulting estimates of the shift in susceptibility on melting are also confirmed by experiment.