[Wien] LDA+U pbs with inorb and indmc files
Stefaan Cottenier
Stefaan.Cottenier at fys.kuleuven.be
Tue Oct 11 15:31:32 CEST 2005
Two possible problems:
* the value of U: it should be in Ry, while you seem to give it in eV.
* cutoff in case.indmc: any reason to change the default -9 to -1 ?
Stefaan
>Dear Usrers,
>
>I want to perform a LDA+U calculations for a ternary, composed of three atoms.
>
>I give you in this mail the case.inorb and case.indmc, introduced to to that.
>
>When I calculate DOS or BS for lda+u, the results are the same for lda. I have
>done the calculation for a binnay, by changing of course the number of atoms
>in the case.inorb and case.indmc, and I have observe a difference between the
>lda+u and lda calculations.
>
>Please can some one help me, if I have errors in the case.inorb or case.indmc.
>
>my ternary is in supercell of 2x2x2 for zinc blend structre, and it is a spin
>polarized system.
>
>
>
>
>case.inorb
>
>1 3 0 nmod, natorb, ipr
>PRATT,1.0 mixmod, amix
>1 1 2 iatom nlorb, lorb
>2 1 2 iatom nlorb, lorb
>3 1 2 iatom nlorb, lorb
>1 nsic (LDA+U(SIC) used)
>6.0 0.07 U J
>6.0 0.07 U J
>6.0 0.07 U J
>
>
>and
>
>case.indmc
>
>-1. Emin cutoff energy
> 3 number of atoms for which density matrix is calculated
> 1 1 2 index of 1st atom, number of L's, L1
> 2 1 2 dtto for 2nd atom, repeat NATOM times
> 3 1 2 dtto for 3rd atom, repeat NATOM times
> 0 0 r-index, (l,s)index
>
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