Spin-fluctuation-mediated superconductivity

A novel, purely dynamical spin-fluctuation-mediated pairing interaction is proposed and examined. This interaction is extracted from the Coqblin-Schrieffer model for a single Kondo-like localised moment. The resulting superconducting transition temperature is estimated and shown to scale with the Kondo temperature in a quite unusual way. A possible application of the proposed mechanism to heavy-fermion systems is discussed. (author)