Approximation of general zero-range potentials
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A norm resolvent convergence result is proved for approximations of general Schrodinger operators with zero-range potentials. An approximation of the δ’-interaction by nonlocal non-Hermitian potentials (without a renormalization of the coupling constant) is also constructed.
KeywordsPoint Interaction Oscillatory Potential Cauchy Data Oscillatory Function Oscillatory Characteristic
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- 9.S. Albeverio and V. Koshmanenko, Form-Sum Approximation of Singular Perturbation of Approximation of Self-Adjoint Operators, Preprint No. 771, BiBoS (1997).Google Scholar