The electronic pair correlation function in beryllium has been measured using X-ray scattering. The results show some structure not present in the free atom calculation. The valence-electron correlation function has been deduced from the experimental data. Assuming that such a correlation function is representative for an electron gas with rs=2.072, the authors deduce a small but significant correction to the jellium correlation energy at metallic density.
Electron-electron correlation in beryllium and related properties
SACCHETTI, Francesco
1981
Abstract
The electronic pair correlation function in beryllium has been measured using X-ray scattering. The results show some structure not present in the free atom calculation. The valence-electron correlation function has been deduced from the experimental data. Assuming that such a correlation function is representative for an electron gas with rs=2.072, the authors deduce a small but significant correction to the jellium correlation energy at metallic density.File in questo prodotto:
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