Figure 2
Electronic structure of BaMnBi2. (a) Constant energy contours for different binding energy with DFT calculations drawn by black lines (Fermi level shifted by −0.05 eV for better comparison) overplayed on top of ARPES constant energy map. Brillouin zone and high symmetry lines are marked by green lines. Γ, X, and M are the high symmetry points. (b) Electronic structures along various momentum directions (A–D) labeled using orange lines on (a). The yellow arrows on (a and b) indicate the locations of the Dirac bands in momentum space on the FS and four cuts parallel to the Γ-M direction. These Dirac bands are represented by two black straight dotted lines as a guide to eyes. We determined the Dirac band crossing point as the intersection of those two lines. (c) Momentum distribution curves for cut A and cut D with red dotted lines as a guide to eyes.
