Spectral functions A(ω) of cubic and tetragonal Ba2VFeO6. The unit of A(ω) is eV−1 per 5-atom. Panel a is for cubic Ba2VFeO6 and panel b is for tetragonal Ba2VFeO6. In both structures, we calculate the paramagnetic state. The red, blue and green curves are for Fe d, V d and O p, respectively. The Fermi level is set at ω = 0 eV.