Abstract
The effects of spatial fluctuations of impurity potentials on the magnetic interaction between a pair of donors are investigated in a system of two electrons interacting with a short-range repulsive force in the conduction band of a semiconductor containing two donor-type impurities. The potential wells due to these impurities are assumed to be deep enough to have one and only one bound state. The potential fluctuations are found to assist the magnetization of the ground state of the impurity pair, for which the interaction is repulsive.
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