A General Approach of Quasi-Exactly Solvable Schroedinger Equations with Three Known Eigenstates
N. Debergh, J. Ndimubandi, B. Van den Bossche
Abstract
We propose a general method for constructing quasi-exactly solvable potentials with three analytic eigenstates. These potentials can be real or complex functions but the spectrum is real. A comparison with other methods is also performed.
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