Table 1 Properties of the exact, KS-LDA, and i-LDA systems.

From: Testing density-functional approximations on a lattice and the applicability of the related Hohenberg-Kohn-like theorem

 

density

wave function

external potential

exact

n

interacting Ψ

v

KS-LDA

n LDA

non-interacting ϕKS−LDA

v KS−LDA

i-LDA

n LDA

interacting Ψi−LDA

v i−LDA

Back to article page