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Paper
The RKKY interaction in disordered systems
Abstract
General arguments are formulated that strongly suggest that the conduction-electron mediated indirect interaction between spins in a heavily disordered (e.g., amorphous) metal is not exponentially damped, and the mean free path is not a measure of the range of the interaction. The shortcomings of the exponentially damped form pointed out by de Gennes [3] are shown to have further implications when higher moments of the interaction are calculated. © 1981.