Unraveling the effect of dimensionality on multi-magnons

We have recently discovered novel multi-magnon excitations in single crystals of Fe2O3 using 2p3d resonant inelastic x-ray scattering. These excitations correspond to triple-, quadruple- and quintuple-magnons that propagate these higher multiples of spin angular momentum beyond the conventional single- and double-magnons. The higher-rank magnetic quasiparticles have never been observed (or studied before) making 2p3d RIXS a unique method to investigate these original states. Our goal is to study the dimensionality effect on the novel higher-rank magnetic excitations by studying LaFeO3 grown on SrTiO3 in the limit of 1-, 3- and 25-unit cells.