Correlation energies of inhomogeneous many-electron systems

Details Correlation energies of inhomogeneous many-electron systems Correlation energies of inhomogeneous many-electron systems

2001-11-23

arxiv.org/abs/cond-mat/0111447v2

Physics

Condensed Matter

4 pages,1 figure

Scientific paper

10.1103/PhysRevB.66.081108

We generalize the uniform-gas correlation energy formalism of Singwi, Tosi, Land and Sjolander to the case of an arbitrary inhomogeneous many-particle system. For jellium slabs of finite thickness with a self-consistent LDA groundstate Kohn-Sham potential as input, our numerical results for the correlation energy agree well with diffusion Monte Carlo results. For a helium atom we also obtain a good correlation energy.

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