[Wien] lapw2dm error in LDA+U calculation with spin-orbit coupling.

Xu Wenhu xuwh02 at gmail.com
Tue Jun 16 21:40:44 CEST 2015


Hello Laurence,

I meant U=2.4eV. It was a stupid mistake... Thanks for pointing that out.
But it appears not to be the reason for the lapwdm error...

Regards,
Wenhu

On Mon, Jun 15, 2015 at 11:39 PM, Laurence Marks
<L-marks at northwestern.edu> wrote:
> Did you really mean to run with a U of 32eV? Or did you intend to use 2.4eV,
> I.e. 0.176 in case.inorb?
>
> ---
> Professor Laurence Marks
> Department of Materials Science and Engineering
> Northwestern University
> http://www.numis.northwestern.edu
> Corrosion in 4D http://MURI4D.numis.northwestern.edu
> Co-Editor, Acta Cryst A
> "Research is to see what everybody else has seen, and to think what nobody
> else has thought"
> Albert Szent-Gyorgi
>
> On Jun 15, 2015 22:28, "Xu Wenhu" <xuwh02 at gmail.com> wrote:
>>
>> Dear Wien users,
>>
>> I attempted to run LDA+U calculation with a simplified structure of
>> Sr2IrO4 (case.struct is appended). I am having problem at the lapwdm
>> step when both -so and -orb are turned on. In fact, there appeared to
>> be no error if I run with only the -orb option (no spin-orbit
>> coupling).
>>
>> I am aware of some similar issues in
>>
>> http://www.mail-archive.com/wien%40zeus.theochem.tuwien.ac.at/msg08720.html
>> http://zeus.theochem.tuwien.ac.at/pipermail/wien/2013-March/018525.html
>> But my case did not involve with -eece  mentioned in the above links.
>>
>> Thank you very much in advance! More detailed information about my
>> case is as follows. First I executed
>>
>>         runsp_lapw -so -ec 0.0001 -cc 0.0001 -p
>>
>> and the self-consistency loop converged successfully. Then I executed
>>
>>         runsp_lapw -orb -so -cc 0.0001 -ec 0.0001 -p
>>
>> but it stopped at lapwdm. The 'uplapw.error' has only one line:
>>
>>         Error in LAPW2DM
>>
>> I checked that nothing shown in other *.error files.
>> The :log file shows :
>> ---------------------------------------------------------
>> >   (runsp_lapw) options: -orb -so -cc 0.0001 -ec 0.0001 -p -i 1
>> Mon Jun 15 23:02:40 EDT 2015> (x) lapw0 -p
>> Mon Jun 15 23:02:56 EDT 2015> (x) orb -up -p
>> Mon Jun 15 23:02:56 EDT 2015> (x) orb -dn -p
>> Mon Jun 15 23:02:56 EDT 2015> (x) lapw1 -up -p
>> Mon Jun 15 23:05:22 EDT 2015> (x) lapw1 -dn -p
>> Mon Jun 15 23:08:15 EDT 2015> (x) lapwso -up -orb -p
>> Mon Jun 15 23:09:23 EDT 2015> (x) lapw2 -up -p -c -so
>> Mon Jun 15 23:09:41 EDT 2015> (x) sumpara -up -d
>> Mon Jun 15 23:09:43 EDT 2015> (x) lapw2 -dn -p -c -so
>> Mon Jun 15 23:10:01 EDT 2015> (x) sumpara -dn -d
>> Mon Jun 15 23:10:02 EDT 2015> (x) lapwdm -up -p -c -so
>> ---------------------------------------------------------
>>
>> The output during the execution is
>> ---------------------------------------------------------
>>  LAPW0 END
>>  ORB   END
>>  ORB   END
>>  LAPW1 END
>>  .....
>>  LAPWSO END
>>  ....
>>  LAPW2 - FERMI; weighs written
>>   LAPW2 END
>>  ....
>>  SUMPARA END
>> LAPW2 - FERMI; weighs written
>>  LAPW2 END
>>  ....
>>  SUMPARA END
>>
>> >   stop error
>> ---------------------------------------------------------
>>
>> Best regards,
>> Wenhu Xu
>>
>> The case.indm(c) and case.inorb files are
>> ===== case.indmc =================
>> -12.                      Emin cutoff energy
>>  2                       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
>>  0 0           r-index, (l,s)index
>> ================================
>>
>> ===== case.inorb =================
>>   1  2  0                     nmod, natorb, ipr
>> PRATT  1.0                    BROYD/PRATT, mixing
>>   1 1 2                          iatom nlorb, lorb
>>   2 1 2                          iatom nlorb, lorb
>>   1                              nsic 0..AFM, 1..SIC, 2..HFM
>>    2.40 0.00        U J (Ry)   Note: we recommend to use U_eff = U-J and
>> J=0
>>    2.40 0.00        U J
>> ================================
>>
>>
>> ===== structure file =================
>> singlelayer_AFMx
>> P   LATTICE,NONEQUIV.ATOMS   6   83 P4/m
>> MODE OF CALC=RELA unit=bohr
>>  10.395383 10.395383 48.803840 90.000000 90.000000 90.000000
>> ATOM  -1: X=0.00000000 Y=0.00000000 Z=0.50000000
>>           MULT= 1          ISPLIT=-2
>> Ir1        NPT=  781  R0=.000005000 RMT= 2.05        Z:  77.00000
>> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>>                      0.0000000 1.0000000 0.0000000
>>                      0.0000000 0.0000000 1.0000000
>> ATOM  -2: X=0.50000000 Y=0.50000000 Z=0.50000000
>>           MULT= 1          ISPLIT=-2
>> Ir2        NPT=  781  R0=.000005000 RMT= 2.05        Z:  77.00000
>> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>>                      0.0000000 1.0000000 0.0000000
>>                      0.0000000 0.0000000 1.0000000
>> ATOM  -3: X=0.00000000 Y=0.50000000 Z=0.42560000
>>           MULT= 4          ISPLIT= 8
>>       -3: X=0.00000000 Y=0.50000000 Z=0.57440000
>>       -3: X=0.50000000 Y=0.00000000 Z=0.42560000
>>       -3: X=0.50000000 Y=0.00000000 Z=0.57440000
>> Sr         NPT=  781  R0=.000010000 RMT= 2.32        Z:  38.00000
>> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>>                      0.0000000 1.0000000 0.0000000
>>                      0.0000000 0.0000000 1.0000000
>> ATOM  -4: X=0.50000000 Y=0.50000000 Z=0.42020000
>>           MULT= 2          ISPLIT=-2
>>       -4: X=0.50000000 Y=0.50000000 Z=0.57980000
>> O          NPT=  781  R0=.000100000 RMT= 1.68        Z:   8.00000
>> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>>                      0.0000000 1.0000000 0.0000000
>>                      0.0000000 0.0000000 1.0000000
>> ATOM  -5: X=0.00000000 Y=0.00000000 Z=0.42020000
>>           MULT= 2          ISPLIT=-2
>>       -5: X=0.00000000 Y=0.00000000 Z=0.57980000
>> O          NPT=  781  R0=.000100000 RMT= 1.68        Z:   8.00000
>> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>>                      0.0000000 1.0000000 0.0000000
>>                      0.0000000 0.0000000 1.0000000
>> ATOM  -6: X=0.30040000 Y=0.80040000 Z=0.50000000
>>           MULT= 4          ISPLIT= 8
>>       -6: X=0.69960000 Y=0.19960000 Z=0.50000000
>>       -6: X=0.19960000 Y=0.30040000 Z=0.50000000
>>       -6: X=0.80040000 Y=0.69960000 Z=0.50000000
>> O          NPT=  781  R0=.000100000 RMT= 1.68        Z:   8.00000
>> LOCAL ROT MATRIX:    1.0000000 0.0000000 0.0000000
>>                      0.0000000 1.0000000 0.0000000
>>                      0.0000000 0.0000000 1.0000000
>>    8      NUMBER OF SYMMETRY OPERATIONS
>> -1 0 0 0.00000000
>>  0-1 0 0.00000000
>>  0 0-1 0.00000000
>>        1
>> -1 0 0 0.00000000
>>  0-1 0 0.00000000
>>  0 0 1 0.00000000
>>        2
>>  0 1 0 0.00000000
>> -1 0 0 0.00000000
>>  0 0-1 0.00000000
>>        3
>>  0 1 0 0.00000000
>> -1 0 0 0.00000000
>>  0 0 1 0.00000000
>>        4
>>  0-1 0 0.00000000
>>  1 0 0 0.00000000
>>  0 0-1 0.00000000
>>        5
>>  0-1 0 0.00000000
>>  1 0 0 0.00000000
>>  0 0 1 0.00000000
>>        6
>>  1 0 0 0.00000000
>>  0 1 0 0.00000000
>>  0 0-1 0.00000000
>>        7
>>  1 0 0 0.00000000
>>  0 1 0 0.00000000
>>  0 0 1 0.00000000
>>        8
>> ===============================
>> _______________________________________________
>> Wien mailing list
>> Wien at zeus.theochem.tuwien.ac.at
>> http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien
>> SEARCH the MAILING-LIST at:
>> http://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/index.html
>
>
> _______________________________________________
> Wien mailing list
> Wien at zeus.theochem.tuwien.ac.at
> http://zeus.theochem.tuwien.ac.at/mailman/listinfo/wien
> SEARCH the MAILING-LIST at:
> http://www.mail-archive.com/wien@zeus.theochem.tuwien.ac.at/index.html
>


More information about the Wien mailing list