The authors discuss here a theory of the inelastic electron tunneling spectra of a magnetic nanosystem (an atom or a molecule) adsorbed on a solid surface measured in a scanning tunneling microscope. They study scenarios when the tunneling electrons sequentially interact with several magnetic centers or when the magnetic centers are made out of heavy atoms with a strong spin-orbit coupling. They discuss how the exchange interaction between the nanosystem and the tunneling electrons changes when orbital moments enter the picture.
Kolorenč et al. (Fri,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: