[Wien] LDA-U error for SrVO3 during orb

Gavin Abo gsabo at crimson.ua.edu
Tue Jun 2 06:45:01 CEST 2015


As described in section "4.5.6 Orbital potentials" on page 47 in the 
WIEN2k 14.2 usersguide [ 
http://www.wien2k.at/reg_user/textbooks/usersguide.pdf ], non-magnetic 
LDA+U calculations must be done spin-polarized (runsp_c_lapw -orb).

It looks like you ran "x orb" instead of "x orb -up" (or "x orb -dn") 
for a spin polarized calculation.

On 6/1/2015 9:07 AM, Soumen Bag wrote:
> Dear Wien2k experts,
>
> I want to do LDA-U  non magnetic calculation for SrVO3 using *LSDA* 
> correlation function. I am getting following error during "*ord*" 
> execution.
>
> =====================
> *end-of-file during read*, unit 10, file ~/SRVO/SRVO3.dmat
> =====================
>
>
> i used following *case.inorb* file
> =================================
>   1  1  0                     nmod, natorb, ipr
> PRATT  1.0                    BROYD/PRATT, mixing
>   2 1 2                          iatom nlorb, lorb
>   0                              nsic 0..AFM, 1..SIC, 2..HFM
>    3.5 0.00        U J (Ry)   Note: we recommend to use U_eff = U-J 
> and J=0
> ==================================
> any help will be appreciated.
>
> Thanks,
>
> *Soumen Kumar Bag*
> *Physical Science Dept.*
> *IISC*
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