Peculiarities of the amplitude of elastic subbarrier impurity scattering |
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Authors: | V. Ya. Kirpichenkov N. V. Kirpichenkova O. I. Lozin |
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Affiliation: | 1.Institute of Physics,Southern Federal University,Rostov-on-Don,Russia;2.South-Russian State Technical University,Novocherkassk,Russia;3.Novocherkassk Military Institute of Communications,Novocherkassk,Russia |
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Abstract: | A formula for the amplitude of electron elastic subbarrier (in the domain of imaginary momenta) scattering by an impurity modeled as a spherical potential well is derived. An equation is obtained to find the features (poles) of this amplitude in a complex energy plane in the close vicinity of which the energy spectrum of quantum resonant percolation trajectories in M-I-M contacts (M = N (normal metal) or S (superconductor) and I is an insulator) with weak (low impurity concentration) structural disorder in the I layer is concentrated [1–4]. |
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