Dear prof. P. Blaha and wien2k users :
I am still waiting for your answers and I thank you in advance.
my question was :
Does Ueff=U-J or Ueff=U- 1/2 J? how to estimate J using constrained DFT.?
Thank you in advance
2017-11-27 12:05 GMT+01:00 karima Physique :
>
Let me clarify slightly my comment about symmetry -- as I realized the
explanation (I think) and can also suggest something that might help.
First, concerning symmetry the explanation is I believe simple. If the
problem has a real symmetry operation such as inversion which is being
removed, then
Dear all,
thank you for your comments:
1)
Did you use a Gamma centered k mesh (and enough k points)
I have checked that the same inequality in MLD, appears both when
k-points are shifted or not shifted. So, influence of shift of k-points
can be ruled out.
I have 30x30x30 k-points, which
Dear Wien2k users:
Does Ueff=U-J or Ueff=U- 1/2 J? how to estimate J using constrained DFT.?
Thank you in advance
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