Steven S Johnston Contact johnstonss@ornl.gov All Publications Quantum Monte Carlo study of lattice polarons in the two-dimensional three-orbital Su–Schrieffer–Heeger model... Fingerprints of an orbital-selective Mott phase in the block magnetic state of BaFe2Se3 ladders... Theoretical study of the spin and charge dynamics of two-leg ladders as probed by resonant inelastic x-ray scattering... Doping evolution of charge and spin excitations in two-leg Hubbard ladders: Comparing DMRG and FLEX results...