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On the solutions of the position-dependent effective mass Schrödinger equation of a nonlinear oscillator related with the isotonic oscillator. (English) Zbl 1179.81057


MSC:

81Q05 Closed and approximate solutions to the Schrödinger, Dirac, Klein-Gordon and other equations of quantum mechanics
81Q80 Special quantum systems, such as solvable systems
81U15 Exactly and quasi-solvable systems arising in quantum theory
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