Abstract
We evaluate quantitatively the role of Auger and radiative recombination processes in the neutralization of slow multicharged ions in metals. The strong perturbation of the valence-band electrons by the ion requires a nonlinear treatment which is carried out using density functional theory. We find that this perturbation creates an electronic cloud around the ion which has an atomiclike character. We show that it is this phenomenon which determines the order of magnitude of the transition rates, as illustrated by the evaluation of Auger and radiative rates for Ne and Ar ions.
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