Shape Invariance of Solvable Schrödinger Equations with the Generalized Hyperbolic Pöschl‐Teller Potential

Min Li, Shi-Kun Zhong, Li Dong, Lu-Lin Xiong and Guang Luo

Advances in Mathematical Physics, 2022, vol. 2022, issue 1

Abstract: In atomic and molecular physics, the Pöschl‐Teller potential and its modified form (hyperbolic Pöschl‐Teller potential) are particularly significant potentials. It is of great importance to study the Schrödinger equation with those potentials. In this paper, we further extend the hyperbolic Pöschl‐Teller potential through generalizing the superpotential of that potential of the form Atanh (αx)‐Bcoth (αx) to the more general form ‐Atanh (npx)‐Bcoth (mpx). First, we introduce briefly the shape invariance and the potential algebra in supersymmetric quantum mechanics. Second, we derive three additive shape invariances, which are related to parameters A and B of the partner potentials with the generalized superpotential, and discuss the eigenfunctions and eigenvalues in detail. Although the superpotential has two parameters, those shape invariances still belong to the one‐parameter form. The reason is that there is always a constraint relationship between A and B in the additive shape invariance of the partner potentials. Third, through the potential algebra approach, we obtain the relevant shape invariance and calculate the corresponding eigenvalue of the Schrödinger equation with the potential of the generalized superpotential. The calculation shows that the algebraic form shape invariance of the partner potentials with that superpotential is anastomotic to the above. Last, we make a summary and outlook.

Date: 2022
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https://doi.org/10.1155/2022/4345342

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnlamp:v:2022:y:2022:i:1:n:4345342

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