Figure 1

Figure 1: The magnetic order and Dirac cones in the pnictides: Spins are projected on a real-space lattice where the magnetic ordering wave vector (π,0) is shown (bottom plane). This wave vector connects two pieces of the Fermi surface on the reciprocal space (upper plane). The crystal symmetry, multiorbital nature along with the magnetic order in pnictides leaves behind linear band crossings in the shape of Dirac cones in some parts of the reciprocal space plane (upper plane). These Dirac cones highlight the mechanism of magnetic order.