DFT Dirac materials Faraday rotation Physics Research & information: general Sm1-xCexB6 SmB6 Weyl nodes Weyl semimetals anomalous Hall effect band structures band-structure calculations bulk-edge correspondence chirality cobalt monosilicide crystal growth cyclotron resonance frustrated magnetism high Chern numbers inelastic neutron scattering isotropic ferromagnet kagome kondo insulator line node magnetization mechanical deformation multifold semimetal optical conductivity optical floating zone method optical response