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We introduce an exactly integrable singular potential for which the solution of the one-dimensional stationary Schr\"odinger equation is written through irreducible linear combinations of the Gauss hypergeometric functions. The potential,…

Quantum Physics · Physics 2018-03-05 A. M. Ishkhanyan

We give a brief overview of a simple and unified way, called the prepotential approach, to treat both exact and quasi-exact solvabilities of the one-dimensional Schr\"odinger equation. It is based on the prepotential together with Bethe…

Quantum Physics · Physics 2024-04-29 Choon-Lin Ho

We obtain exact solutions of the one-dimensional Schrodinger equation for some families of associated Lame potentials with arbitrary energy through a suitable ansatz, which may be appropriately extended for other such a families. The…

Quantum Physics · Physics 2007-05-23 David J Fernandez C , Asish Ganguly

Using the method of shape invariant potentials, a number of exact solutions of one dimensional effective mass Schrodinger equation are obtained. The solutions with equi-spaced spectrum are discussed in detail.

Quantum Physics · Physics 2007-05-23 K. A. Samani , F. Loran

By applying an ansatz to the eigenfunction, an exact closed form solution of the Schr\"{o}dinger equation in 2D is obtained with the potentials, $V(r)=ar^2+br^4+cr^6$, $V(r)=ar+br^2+cr^{-1}$ and $V(r)=ar^2+br^{-2}+cr^{-4}+dr^{-6}$,…

Quantum Physics · Physics 2007-05-23 Shi-Hai Dong

We construct a variety of new exactly-solvable quantum systems, the potentials of which are given in terms of Lambert-W functions. In particular, we generate Schr\"odinger models with energy-dependent potentials, conventional Schr\"odinger…

Quantum Physics · Physics 2020-08-05 A. Schulze-Halberg , A. M. Ishkhanyan

We derive analytic expressions of the recursive solutions to the Schr\"{o}dinger's equation by means of a cutoff potential technique for one-dimensional piecewise constant potentials. These solutions provide a method for accurately…

Quantum Physics · Physics 2015-06-26 Hwasung Lee , Y. J. Lee

In this paper, we study the Schr\"odinger equation with a new quasi-exactly solvable double-well potential. Exact expressions for the energies, the corresponding wave functions and the allowed values of the potential parameters are obtained…

Mathematical Physics · Physics 2017-02-22 Marzieh Baradaran , Hossein Panahi

The Schr\"{o}dinger equation is solved exactly for some well known potentials. Solutions are obtained reducing the Schr\"{o}dinger equation into a second order differential equation by using an appropriate coordinate transformation. The…

Quantum Physics · Physics 2019-12-06 Cevdet Tezcan , Ramazan Sever

The stationary 1D Schr\"odinger equation with a polynomial potential $V(q)$ of degree N is reduced to a system of exact quantization conditions of Bohr-Sommerfeld form. They arise from bilinear (Wronskian) functional relations pairing…

Mathematical Physics · Physics 2015-07-10 A. Voros

Recently developed simple approach for the exact/approximate solution of Schrodinger equations with constant/position-dependent mass, in which the potential is considered as in the perturbation theory, is shown to be equivalent to the one…

Quantum Physics · Physics 2007-05-23 B. Gonul , K. Koksal

The asymptotic iteration method is used to find exact and approximate solutions of Schroedinger's equation for a number of one-dimensional trigonometric potentials (sine-squared, double-cosine, tangent-squared, and complex cotangent).…

Mathematical Physics · Physics 2014-03-05 Hakan Ciftci , Richard L. Hall , Nasser Saad

The method reducing the solution of the Schroedinger equation for several types of power potentials to the solution of the eigenvalue problem for the infinite system of algebraic equations is developed. The finite truncation of this system…

High Energy Physics - Phenomenology · Physics 2014-11-17 R. N. Faustov , V. O. Galkin , A. V. Tatarintsev , A. S. Vshivtsev

Quantum computers have the potential for an exponential speedup of classical molecular computations. However, existing algorithms have limitations; quantum phase estimation (QPE) algorithms are intractable on current hardware while…

Quantum Physics · Physics 2023-03-03 Scott E. Smart , David A. Mazziotti

We propose a numerical method for evaluating eigenvalues and eigenfunctions of Schr\"odinger operators with general confining potentials. The method is selective in the sense that only the eigenvalue closest to a chosen input energy is…

Quantum Physics · Physics 2009-10-28 Carlo Presilla , Ubaldo Tambini

Stationary 1D Schr\"odinger equations with polynomial potentials are reduced to explicit countable closed systems of exact quantization conditions, which are selfconsistent constraints upon the zeros of zeta-regularized spectral…

Mathematical Physics · Physics 2009-10-31 A. Voros

We propose a new method to obtain approximate solutions for the Schr\"{o}dinger equation with an arbitrary potential that possesses bound states. This method, relying on the auxiliary field technique, allows in many cases to find analytical…

Quantum Physics · Physics 2008-06-13 B. Silvestre-Brac , C. Semay , F. Buisseret

Recently, the Asymptotic Iteration Method (AIM) was used to calculate the energy spectrum for a short rang three parameter central potential which was introduced by H. Bahlouli and A. D. Alhaidari. The S-orbital wave solution of the…

Quantum Physics · Physics 2018-02-14 Abdulla Jameel Sous , M. I. El-Kawni

A supersymmetric technique for the solution of the effective mass Schr\"{o}% dinger equation is proposed. Exact solutions of the Schroedinger equation corresponding to a number of potentials are obtained. The potentials are fully…

Quantum Physics · Physics 2009-11-10 Ramazan Koc , Hayriye Tutunculer

A new proposed one dimensional time independent Schr\"odinger equation is solved completely using shape invariance method. The corresponding potential is given by V_(x,A,B) =-A(sechpx)^2 - 6Bp(sech6px)^2+(tanhpx-6tanh6px)^2 with…

Quantum Physics · Physics 2021-02-05 Jamal Benbourenane , Mohamed Benbourenane , Hichem Eleuch