Abstract
We demonstrate how the Moutard transformation of two-dimensional Schrödinger operators acts on the Faddeev eigenfunctions on the zero-energy level and present some explicitly computed examples of such eigenfunctions for smooth rapidly decaying potentials of operators with a nontrivial kernel and for deformed potentials corresponding to blowup solutions of the Novikov-Veselov equation.
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Prepared from an English manuscript submitted by the authors; for the Russian version, see Teoreticheskaya i Matematicheskaya Fizika, Vol. 176, No. 3, pp. 408–416, September 2013.
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Taimanov, I.A., Tsarev, S.P. Faddeev eigenfunctions for two-dimensional Schrödinger operators via the Moutard transformation. Theor Math Phys 176, 1176–1183 (2013). https://doi.org/10.1007/s11232-013-0098-x
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DOI: https://doi.org/10.1007/s11232-013-0098-x