[Pw_forum] Hello,I have a question about SOC picture?

[r95222066 at ntu.edu.tw]

hello,
    I have make a pratice for spin-orbit coupling about Fe like  
example 22 in PWSCF. when
I finished the process of plotband.x . The xmgr.* file will generated.  
But I have little
confused the picture has some straight line in  bandstructure picture  
at the nearby
special kpoints.

the attached file is iron-soc bandstructure!!

Thanks for your help!
                Bing-Hong Chen