[QE-users] Inconsistent paw.txt output from AIIDA and default Quantum Espresso

[Wei Bin How]

Dear all,

I am trying to perform a NSCF calculation with quantum espresso using the saved charge-density.dat and paw.txt from an AIIDA run, now with a higher number of bands (nbnd). For a number of calculations, the bands from the NSCF are consistent with the original AIIDA SCF, except for the Ga 3d peak. Notably, there was a shift in the 3d peak to higher energy values. For reference, the Ga pseudo is Ga.pbesol-dn-kjpaw_psl.1.0.0.UPF, obtained from SSSP Efficiency 1.2.1. I ran a number of tests and decided that it is likely an issue with the paw.txt

Test:

  1.
Full SCF run with quantum espresso (Eigenvalue matches AIIDA initial run)
  2.
NSCF run using the charge density and paw.txt of (1) (Eigenvalue matches AIIDA initial run)
  3.
NSCF run using the charge density from AIIDA and paw.txt of (1) (Eigenvalue matches AIIDA run)
  4.
NSCF run using the charge density from (1) and paw.txt of AIIDA (Shift in 3d peak to higher energy value)

I have also visually checked the paw.txt from AIIDA and quantum espresso and see that the values are different. I would like to ask if this is a known issue and if there are any suggestions on how to 'correct' the paw.txt file or fix the error?

Thanks,
How Wei Bin
EDMX PhD Student
EPFL
Switzerland
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