Browsing by Author "A.N., Adilkhanov"

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    On numerical study of the discrete spectrum of a two-dimensional Schrödinger operator with soliton potential
    (Communications in Nonlinear Science and Numerical Simulation, 2017-01-01) Adilkhanov, A.N.; Taimanov, I.A.; A.N., Adilkhanov
    Abstract The discrete spectra of certain two-dimensional Schrödinger operators are numerically calculated. These operators are obtained by the Moutard transformation and have interesting spectral properties: their kernels are multi-dimensional and the deformations of potentials via the Novikov–Veselov equation (a two-dimensional generalization of the Korteweg–de Vries equation) lead to blowups. The calculations supply the numerical evidence for some statements about the integrable systems related to a 2D Schrödinger operator. The numerical scheme is applicable to a general 2D Schrödinger operator with fast decaying potential.