Generalized local-density approximation and one-dimensional finite uniform electron gases

  title={Generalized local-density approximation and one-dimensional finite uniform electron gases},
  author={Pierre-François Loos},
  journal={Physical Review A},
We explicitly build a generalized local-density approximation (GLDA) correlation functional based on one-dimensional (1D) uniform electron gases (UEGs). The fundamental parameters of the GLDA \textemdash a generalization of the widely-known local-density approximation (LDA) used in density-functional theory (DFT) \textemdash are the electronic density $\rho$ and a newly-defined two-electron local parameter called the hole curvature $\eta$. The UEGs considered in this study are finite versions… 

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