Fingerprints of Spin-Orbital Physics in Crystalline O
arXiv:cond-mat/0612475 · doi:10.1088/1367-2630/10/1/013035
Abstract
The alkali hyperoxide KO is a molecular analog of strongly-correlated systems, comprising of orbitally degenerate magnetic O ions. Using first-principles electronic structure calculations, we set up an effective spin-orbital model for the low-energy \textit{molecular} orbitals and argue that many anomalous properties of KO replicate the status of its orbital system in various temperature regimes.
4 pages, 2 figures, 1 table