Search found 2 matches
- Thu Apr 15, 2021 4:36 pm
- Forum: Response calculations
- Topic: ASR violation in AlAs fermi smearing
- Replies: 1
- Views: 8533
Re: ASR violation in AlAs fermi smearing
Hello, I have since solved my issue. The problem lies with the default value of nbdbuf. It automatically assumes that there are 2 or more unoccupied bands in the ground state but for small systems this is not true. For AlAs, the code was freezing an occupied band when doing RF calculations thus givi...
- Tue Feb 16, 2021 10:34 pm
- Forum: Response calculations
- Topic: ASR violation in AlAs fermi smearing
- Replies: 1
- Views: 8533
ASR violation in AlAs fermi smearing
Hello I am having trouble running phonon calculations with metallic compounds and I went back to the tutorial and tried running AlAs as a metal (occopt 3) and ended up with huge differences in the DFPT calculations. Am I missing something obvious? I am using the standard pseudopotentials from the ab...