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    MagneticConstrain
    
    
    
    
MagneticConstrain
Section Hamiltonian
Type integer
Default no
This variable selects which magnetic constrain expression is added to the Hamiltonian.
Options:
-    constrain_none: 
No constrain is added to the Hamiltonian.
 
-    constrain_dir: 
We are adding a constrain for the direction of the magnetic moments only,
 see PRB 91, 054420 (2015).
 
-    constrain_full: 
We are adding a constrain for the direction and norm of the magnetic moments only,
 see PRB 91, 054420 (2015).