Author(s): Lichen Wang, Huimei Liu, Valentin Zimmermann, Arvind Kumar Yogi, Masahiko Isobe, Matteo Minola, Matthias Hepting, Giniyat Khaliullin, and Bernhard Keimer
A combined Raman scattering and theoretical study of spin-orbit excitations in Sr2RhO4 reveals unusual but well-defined excitations around 230 meV that are excitonic transitions between the spin-orbit multiplets of the Rh ions, excitations analogous to those recently observed in the...