[Pw_forum] Ghost States

Emine Kucukbenli kucukben at sissa.it
Fri Dec 10 12:55:24 CET 2010



  Dear Phillip,
  ghost states are related to pseudopotentials. if you are _sure_ that
  you have a ghost state, the safest thing would be changing the pseudo
  for that particular atom. Please let us know if it is one of the pp's
  from  QE-database.
  cheers,
  emine kucukbenli, phd student, sissa, italy

  Quoting Phillip Nyawere <pnyawere at gmail.com>:

>> Dear pwscf
>> I am doing a "relax" calculation by shifting the position of an atom in a
>> supercell. Some sites appear unfavorable and one of them is hear below
>> showing the presence of a ghost state. Could anyone give me an idear of how
>> to remove the ghost sites (energy) in a calculation? Part of the output is
>> here:
>>
>> k = 0.0000 0.0000 0.0000 ( 36612 PWs)   bands (ev):
>>  -30.6867 -19.5462 -19.4947 -19.4037 -19.3662 -19.3332 -19.2705 -19.2304
>
>
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