Dear all,
How can the spin?orbit coupling take into account in calculations? do exist  
any parameter in input file.
This is the input file for the "scf" calculation&control      calculation = 
'scf'    restart_mode = 'from_scratch'    tstress = .true.,        tprnfor = 
.true.,    prefix='810-28',    pseudo_dir='./',    outdir='./',/&system     
 ibrav=  2, celldm(1) =11.850000    nat=  2, ntyp= 2,    ecutwfc =100.0, 
ecutrho=400.0, /&electrons      diagonalization='david'    mixing_beta = 
0.7    conv_thr =  1.0d-7/ATOMIC_SPECIES   al  26.9815     al_pz.upf  bi  
208.980     bi_pz.upf  ATOMIC_POSITIONS    al    0.00000   0.00000   0.00000  
bi    0.25000   0.25000   0.25000 K_POINTS automatic8 8 8 0 0 0 
This is the input file for the "nscf" calculation&control      calculation 
= 'nscf'    restart_mode = 'from_scratch'    tstress = .true.,        tprnfor = 
.true.,    prefix='810-28',    pseudo_dir='./',    outdir='./',/&system     
 ibrav=  2, celldm(1) =11.850000    nat=  2, ntyp= 2, nbnd = 8,     ecutwfc 
=100.0, ecutrho=400.0, /&electrons      diagonalization='david'    
mixing_beta = 0.7    conv_thr =  1.0d-7/ATOMIC_SPECIES   al  26.9815     
al_pz.upf  bi  208.980     bi_pz.upf  ATOMIC_POSITIONS    al    0.00000   
0.00000   0.00000  bi    0.25000   0.25000   0.25000 K_POINTS 210.0000  0.5000  
1.00000.1000  0.5000  0.90000.2000  0.5000  0.80000.3000  0.5000  0.70000.4000  
0.5000  0.60000.5000  0.5000  0.50000.4000  0.4000  0.40000.3000  0.3000  
0.30000.2000  0.2000  0.20000.1000  0.1000  0.10000.0000  0.0000  0.00000.0000  
0.0000  0.10000.0000  0.0000  0.20000.0000  0.0000  0.30000.0000  0.0000  
0.40000.0000  0.0000  0.50000.0000  0.0000  0.60000.0000  0.0000  0.70000.0000  
0.0000  0.80000.0000  0.0000  0.90000.0000  0.0000  1.0000 
***********************************************************
Ramzi Alaya
E-mail : ramzialaya at hotmail.fr
Facult? des Sciences de Gab?s, Cit? Erriadh 6072 Gab?s- Tunisie
Unit? de Recherche sur les H?t?ro-Epitaxies et Applications                     
                  
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