GW convergence

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We converge the main parameters of a GW calculation independently. We make use of the plasmon pole approximation, we use the newton solver

The main variables are:

  • FFTGvecs: Global cutoff
  • BndsRnXp: Number of bands in the calculation of the dielectric function (PPA).
  • NGsBlkXp: Cutoff of the dielectric function.
  • GbndRnge: Self-energy. Number of bands.

The convergence with the k-grid is done after these variables are converged and in principle is also independent of them.