[Wien] localization of Mn t2g orbital
Peter Blaha
pblaha at theochem.tuwien.ac.at
Mon Mar 23 07:49:42 CET 2009
This cannot be done automatically in WIEN2k.
However, it is fairly easy to edit case.vorbup/dn and remove any
potential for the eg orbitals.
Now comes the next question: which are the eg orbitals ?
I suggest you check case.dmatup/dn and compare it with the numbers in
the scf2 file. (You also need to consider the off-diagonal terms).
shamik chakrabarti schrieb:
> Dear Peter Blaha Sir,
>
> As given in user guide of WIEN2k
> we can apply LSDA+U method for say Mn d orbital by putting the value of
> lorb=2 in case.inorb file. But if we want to localize only Mn d t2g
> orbital while excluding eg orbital explicitly then what we should have
> to do?..as it may be necessary to apply LSDA+U method only to t2g
> orbital for getting ground state of some compound.
>
> with best regards,
>
> Shamik Chakrabarti
> M.Tech
> IIT Kharagpur
> India
>
>
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