VanVleck Response Of A Two-Level System And Mesoscopic Orbital Magnetism Of Small Metals
arXiv:cond-mat/0003244 · doi:10.1016/S0038-1098(00)00423-3
Abstract
We evaluate the mean value of the van Vleck response of a two-level system with level spacing distribution and argue that it describes the orbital magnetism of small conducting particles.
6 pages