[Wien] so+orb
Pablo de la Mora
delamora at servidor.unam.mx
Tue Jun 26 15:17:33 CEST 2007
I am trying to run a system with 'spin-orbit + LDA+U'
For this I tried to reproduce the non-magnetic FCC Au of the Novák
notes, 'Calculation fo spin-orbit coupling' (not updated) and I found
them confusing, degeneracies in the K=0 0 0 point do not change with SO.
So I don't know if their results were wrong or I am doing it wrong.
I ran Au with:
run -in1new
(to get a better Au.in1)
initso
(I put emax=10)
run
run-so
The eigenvalues without SO and with SO are in 'Au.eigen', the non-SO
values seem to correspond to the values obtained by Novák, but the SO
values do not, the total energy I get is -1404mRy, compared with -885
(Table 1), also I did not see any splitting that Novák reports for G7
and G8.
Now I am trying to calculate NiO (antiferromagnetic).
It runs fine with:
runafm
runsp
then I can alternate different runs sequentially with
runsp -so
runsp -orb
and I don't get any problems. After this I can rerun any of them (runsp,
runsp -so, runsp -orb).
When I try them in the same command:
runsp -so -orb
it stops after the first iteration:
[pablo at mistla NiO-U]$ runsp -i 4 -orb -so
LAPW0 END
ORB END
ORB END
LAPW1 END
LAPW1 END
LAPWSO END
LAPW2 END
LAPW2 END
[pablo at mistla NiO-U]$
What I understand is that SO and LDA+U can be calculated simultaneously,
but somehow I am doing things wrong.
Yours
Pablo de la Mora
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