GAMMA in xticks, how to fix it to Greek alphabet style

[1lifetime1]

[1lifetime1]

[1lifetime1]

the figure was not well uploaded last time, now it is posted

[ajjackson]

You should get proper Γ characters if you used sumo-kgen to generate the KPOINTS file.

If bandplot is working from some other KPOINTS file it cannot know whether you intended "GAMMA" to be written literally. You should be able to get Γ by editing the file to replace "GAMMA" with "\Gamma". (We hope that nobody wants this to be written literally...)

[1lifetime1]

Thanks so much, ajjackson. Following your instruction, I get the wanted figure, and problem is solved.