(a) Crystal structure of CuPt-ordered InAs_0.5Sb_0.5. (b) Band structure of CuPt-ordered InAs_0.5Sb_0.5 around Γ (plotted up to | k | = 0.1 Å⁻¹). (c) Band structure with 3% compressive strain applied in the 111-direction. (d) Brillouin zone and surface projection of CuPt-ordered InAs_0.5Sb_0.5. (e) Surface density of states for the ( 1 1 ¯ 0 ) surface. (f) Topological Fermi arcs on the ( 1 1 ¯ 0 ) surface. Figure partially reused from Ref. [20].