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A simple and algorithmic description of matrix shape invariant potentials is presented. The complete lists of generic matrix superpotentials of dimension $2\times2$ and of special superpotentials of dimension $3\times3$ are given…

Mathematical Physics · Physics 2012-01-25 Anatoly G. Nikitin , Yuri Karadzhov

The supersymmetric solutions of PT-symmetric and Hermitian/non-Hermitian forms of quantum systems are obtained by solving the Schrodinger equation for the Exponential-Cosine Screened Coulomb potential. The Hamiltonian hierarchy inspired…

Quantum Physics · Physics 2008-11-26 Gholamreza Faridfathi , Ramazan Sever

The quantum mechanical concept of quasi-exact solvability is based on the idea of partial algebraizability of spectral problem. This concept is not directly extendable to the systems with infinite number of degrees of freedom. For such…

High Energy Physics - Theory · Physics 2009-10-30 A. G. Ushveridze

An exactly solvable position-dependent mass Schr\"odinger equation in two dimensions, depicting a particle moving in a semi-infinite layer, is re-examined in the light of recent theories describing superintegrable two-dimensional systems…

Quantum Physics · Physics 2007-05-23 C. Quesne

Supersymmetric quantum mechanics is a powerful tool for generating exactly solvable potentials departing from a given initial one. In this article the first- and second- order supersymmetric transformations will be used to obtain new…

Mathematical Physics · Physics 2016-05-02 David J. Fernandez C , J. C. Gonzalez

In this project, we will develop the foundations of quantum mechanics using the methods of supersymmetry. We will discuss the use of the superpotential to derive the supersymmetric partner of a potential in one dimension, and explore…

Quantum Physics · Physics 2022-03-29 Senan Sekhon

By using the point canonical transformation approach in a manner distinct from previous ones, we generate some new exactly solvable or quasi-exactly solvable potentials for the one-dimensional Schr\"odinger equation with a…

Quantum Physics · Physics 2009-11-11 B. Bagchi , P. Gorain , C. Quesne , R. Roychoudhury

We construct two new exactly solvable potentials giving rise to bound-state solutions to the Schr\"odinger equation, which can be written in terms of the recently introduced Laguerre- or Jacobi-type $X_1$ exceptional orthogonal polynomials.…

Quantum Physics · Physics 2009-11-13 C. Quesne

Extending the supersymmetric method proposed by Tkachuk to the complex domain, we obtain general expressions for superpotentials allowing generation of quasi-exactly solvable PT-symmetric potentials with two known real eigenvalues (the…

Quantum Physics · Physics 2009-11-07 B. Bagchi , C. Quesne

We show that for a particular model, the quantum mechanical bootstrap is capable of finding exact results. We consider a solvable system with Hamiltonian $H=SZ(1-Z)S$, where $Z$ and $S$ satisfy canonical commutation relations. While this…

High Energy Physics - Theory · Physics 2024-02-07 Lewis Sword , David Vegh

A recurrence relation of Riccati-type differential equations known in supersymmetric quantum mechanics is investigated to find exactly solvable potentials. Taking some simple {\it ans\"atze}, we find new classes of solvable potentials as…

High Energy Physics - Theory · Physics 2007-05-23 Dong Sup Soh , Kyung Hyun Cho , Sang Pyo Kim

We construct a scalar potential of supersymmetric left-right model in the limit when supersymmetry is valid.

High Energy Physics - Phenomenology · Physics 2007-05-23 Biswajoy Brahmachari

The association of the variational method with supersymmetric quantum mechanics through an ansatz for the superpotential is reviewed and the approximate energy spectra of non-exactly solvable potentials, such like the Hulthen, the Morse and…

High Energy Physics - Theory · Physics 2007-05-23 Elso Drigo filho , Regina Maria Ricotta

We start from a seven parameters (six continuous and one discrete) family of non-central exactly solvable potential in three dimensions and construct a wide class of ten parameters (six continuous and four discrete) family of rationally…

Quantum Physics · Physics 2019-08-06 Nisha Kumari , Rajesh Kumar Yadav , Avinash Khare , Bhabani Prasad Mandal

The one-dimensional Schroedinger's equation is analysed with regard to the existence of exact solutions for decatic polynomial potentials. Under certain conditions on the potential's parameters, we show that the decatic polynomial potential…

Mathematical Physics · Physics 2015-06-15 David Brandon , Nasser Saad

We introduce a particular nonlinear generalization of quantum mechanics which has the property that it is exactly solvable in terms of the eigenvalues and eigenfunctions of the Hamiltonian of the usual linear quantum mechanics problem. We…

Quantum Physics · Physics 2024-05-21 Alan Chodos , Fred Cooper

Bound states of hyperbolic potential is investigated by means of a generalized pseudospectral method. Significantly improved eigenvalues, eigenfunctions are obtained efficiently for arbitrary $n, \ell$ quantum states by solving the relevant…

Chemical Physics · Physics 2015-06-22 Amlan K. Roy

We study one-dimensional Schr\"odinger operators defined as closed operators that are exactly solvable in terms of the Gauss hypergeometric function. We allow the potentials to be complex. These operators fall into three groups. The first…

Mathematical Physics · Physics 2026-03-10 Jan Dereziński , Pedram Karimi

A few quasi-exactly solvable models are studied within the quantum Hamilton-Jacobi formalism. By assuming a simple singularity structure of the quantum momentum function, we show that the exact quantization condition leads to the condition…

Quantum Physics · Physics 2009-11-07 K. G. Geojo , S. Sree Ranjani , A. K. Kapoor

We discuss a universal algebraic approach to quasi-exactly solvable models which allows us to interpret them as constrained Hamiltonian systems with a finite number of physical states. Using this approach we reproduce well-known…

Mathematical Physics · Physics 2009-12-18 Sergey Klishevich