RKKY 1954-1957: indirect exchange between localized magnetic moments mediated by conduction-electron Friedel oscillations; oscillating + decaying as cos(2 k_F r) / r^3; foundation of dilute-magnetic + heavy-fermion magnetism.
RKKY 1954-1957: indirect exchange between localized magnetic moments mediated by conduction-electron Friedel oscillations; oscillating + decaying as cos(2 k_F r) / r^3; foundation of dilute-magnetic + heavy-fermion magnetism.