Levels of the Schrödinger operator with a perturbed non-local potential
Izvestiya Instituta Matematiki i Informatiki Udmurtskogo Gosudarstvennogo Universiteta, no. 1 (2006), pp. 98-104
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We investigate the one-dimensional Schrödinger operator with a potential that is a sum of a local potential and a two-rank operator. We prove that this Schrödinger operator has the unique level in the neighborhood of zero. The asimptotic behaviour of this level is investigated.
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