5.44.1. xc.lda_c_vwn.lda_c_vwn

eminus.xc.lda_c_vwn.lda_c_vwn(n, A=0.0310907, b=3.72744, c=12.9352, x0=-0.10498, **kwargs)[source]

Vosko-Wilk-Nusair parametrization of the correlation functional (spin-paired).

Corresponds to the functional with the label LDA_C_VWN and ID 7 in Libxc.

Reference: Phys. Rev. B 22, 3812.

Parameters:

n – Real-space electronic density.

Keyword Arguments:

  • A – Functional parameter.

  • b – Functional parameter.

  • c – Functional parameter.

  • x0 – Functional parameter.

  • **kwargs – Throwaway arguments.

Returns:

VWN correlation energy density and potential.