fig8a.dat: Data for Fig.8(a)
column 1: k-path, columns 2-33: energies of bands 1-32 (eV), columns 34-65: weights of Gd d3z2-r2 (7 & 12) orb. on bands 1-32 
(k-path M: 0.00000000, G: 0.43143813, A: 0.56856187, L: 1.00000000)

wannier90_hr_bulk_GdGaI.dat: Hopping parameters from wannier90
(Ga-1 p orb.: 1-3, Ga-2 p orb.: 4-6, Gd-1 d orb.: 7-11, Gd-2 d orb.: 12-16)
wannier90_orb7.xsf: Wannier orbital of orbital 7
wannier90_orb12.xsf: Wannier orbital of orbital 12
