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Spin-orbit coupling


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  • From: Dominik Legut <legut@IPM.Cz>
  • To: forum@abinit.org
  • Subject: Spin-orbit coupling
  • Date: Wed, 29 Jan 2003 14:03:52 +0100 (CET)

Dear Abinit users,
after a while I could not set up a calculation including spin-orbit
coupling. Generally, I am little bit confused about the input for
spin-orbit calculation. According to information within file
psp5spinorbit.info, I could used Troullier-Martins type of
pseudopotential, and doubled the lines where l/=0 and change the nproj
from 1 to 2. Then, I set up into the *.in file
following variables (except the ordinary ones)
pspso 1*1
nspinor 2
nsppol 1


If this input is submitted, the end of log file looks like:
2.00000000000000 0.95100000000000 1.46500000000000
rchrg,fchrg,qchrg


Input/Output Error 137: Value not recognized

In Procedure: psp1in
At Line: 210

Statement: List-Directed READ
Unit: 9
Connected To: 82pb.pspnc
Form: Formatted
Access: Sequential
Records Read : 12
Records Written: 0

Current I/O Buffer:

2 .951 1.465 2 3.9285604 l,e99.0,e99.9,nproj,rcpsp
!

--------------------------------------------------------------------------------
If I used the pspso 1*2 then the log file ends with:
pspatm: ERROR -
Pseudopotential file cannot give spin-orbit characteristics,
while pspso(itype)= 2.
Action : check your pseudopotential and input files for consistency.

leave_new : decision taken to exit ...
FORTRAN STOP 1


What am I missing to do to make the spin-orbit calculation work?
Thanks for any comment.


Dominik Legut

---------------------------------------------------------------------
Dominik Legut tel.+420/5/32290461
Institute of Physics of Materials fax.+420/5/41218657
Academy of Sciences of the Czech Republic email: legut@ipm.cz
Zizkova 22, Brno
CZ-616 62
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  • Spin-orbit coupling, Dominik Legut, 01/29/2003

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