Gel'fand-Levitan equation for deletion of states from Coulomb spectra
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Abstract
The Gel'fand-Levitan formalism is used to study how a selected set of bound states can be eliminated from the spectrum of the Coulomb potential and also how to construct a bound state in the Coulomb continuum. It is demonstrated that a sizeable quantum well can be produced by deleting a large number of levels from the s spectral series and the edge of the Coulomb potential alone can support the von Neumann-Wigner states in the continuum. © 1998 Elsevier Science B.V.
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Physics Letters, Section A: General, Atomic and Solid State Physics, v. 247, n. 3, p. 198-206, 1998.
