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We apply a simple transformation method to construct a set of new exactly solvable potentials (ESP) which gives rise to bound state solution of $D$-dimensional Schr\"odinger equation. The important property of such exactly solvable quantum…

Mathematical Physics · Physics 2014-02-07 Nabaratna Bhagawati

We study solutions of exponential polynomials over the complex field. Assuming Schanuel's conjecture we prove that certain polynomials have generic solutions in the complex field.

Logic · Mathematics 2016-02-08 P. D'Aquino , A. Fornasiero , G. Terzo

A new family of solvable potentials related to the Schroedinger-Riccati equation has been investigated. This one-dimensional potential family depends on parameters and is restricted to the real interval. It is shown that this potential…

Mathematical Physics · Physics 2018-06-05 Kazimierz Rajchel

A new approach to find exact solutions to one--dimensional quantum mechanical systems is devised. The scheme is based on the introduction of a potential function for the wavefunction, and the equation it satisfies. We recover known…

Quantum Physics · Physics 2021-02-08 Sergio A. Hojman , Felipe A. Asenjo

We use variable transformation from the real line to finite or semi-infinite spaces where we expand the regular solution of the 1D time-independent Schrodinger equation in terms of square integrable bases. We also require that the basis…

Quantum Physics · Physics 2022-06-20 E. El Aaoud , H. Bahlouli , A. D. Alhaidari

Exact and quasi-exact solvabilities of the one-dimensional Schr\"odinger equation are discussed from a unified viewpoint based on the prepotential together with Bethe ansatz equations. This is a constructive approach which gives the…

Mathematical Physics · Physics 2015-05-13 Choon-Lin Ho

In our previous work, we introduced a new class of bounded potentials of the one-dimensional Schr\"odinger operator on the real axis, and a corresponding family of solutions of the KdV hierarchy. These potentials, which we call primitive,…

Exactly Solvable and Integrable Systems · Physics 2019-09-06 Dmitry Zakharov , Vladimir Zakharov

We construct quantum circuits for solving one-dimensional Schr\"odinger equations. Simulations of three typical examples, i.e., harmonic oscillator, square-well and Coulomb potential, show that reasonable results can be obtained with eight…

Quantum Physics · Physics 2009-07-21 K. Nakao , A. Matsuyama

We solve the one-dimensional Schr\"odinger equation for the bound states of two potential models with a rich structure as shown by their "spectral phase diagram". These potentials do not belong to the well-known class of exactly solvable…

Quantum Physics · Physics 2022-09-09 A. D. Alhaidari , I. A. Assi

Several aspects of complex-valued potentials generating a real and positive spectrum are discussed. In particular, we construct complex-valued potentials whose corresponding Schr\"odinger eigenvalue problem can be solved analytically.

Quantum Physics · Physics 2009-10-31 Francesco Cannata , Georg Junker , Johannes Trost

We construct a fundamental solution to the Schr\"odinger equation for a class of potentials of polynomial type by a complex scaling approach as in [Doss1980]. The solution is given as the generalized expectation of a white noise…

Mathematical Physics · Physics 2015-03-18 Martin Grothaus , Felix Riemann

An algebraic method of constructing potentials for which the Schroedinger equation with position dependent mass can be solved exactly is presented. A general form of the generators of su(1,1) algebra has been employed with a unified…

Quantum Physics · Physics 2009-11-10 Ramazan Koc , Mehmet Koca

Using the method of $su(1,1)$ spectrum generating algebra, we analyze one dimensional Schroedinger equation with potential in the form ${C\over{x^2} + {D\over{x}}$ to obtain a class of potentials giving similar eigenvalues. By a group…

Mathematical Physics · Physics 2007-05-23 Karmadeva Maharana

The theory of group classification of differential equations is analyzed, substantially extended and enhanced based on the new notions of conditional equivalence group and normalized class of differential equations. Effective new techniques…

Mathematical Physics · Physics 2010-11-03 Roman O. Popovych , Michael Kunzinger , Homayoon Eshraghi

A comprehensive review of exactly solvable quantum mechanics is presented with the emphasis of the recently discovered multi-indexed orthogonal polynomials. The main subjects to be discussed are the factorised Hamiltonians, the general…

Mathematical Physics · Physics 2014-11-12 Ryu Sasaki

We present a class of confining potentials which allow one to reduce the one-dimensional Schroodinger equation to a named equation of mathematical physics, namely either Bessel's or Whittaker's differential equation. In all cases, we…

Mathematical Physics · Physics 2015-06-23 C. A. Downing

For the first time, the general nonlinear Schr\"odinger equation is investigated, in which the chromatic dispersion and potential are specified by two arbitrary functions. The equation in question is a natural generalization of a wide class…

Exactly Solvable and Integrable Systems · Physics 2024-12-03 Andrei D. Polyanin , Nikolay A. Kudryashov

In this thesis quadratic and cubic algebras, which are extensions of SU(1,1) and SU(2) are studied in detail, with particular attention being given to their construction, their finite and infinite dimensional irreducible representations and…

Mathematical Physics · Physics 2007-05-23 V. Sunilkumar

We construct a general algorithm generating the analytic eigenfunctions as well as eigenvalues of one-dimensional stationary Schroedinger Hamiltonians. Both exact and quasi-exact Hamiltonians enter our formalism but we focus on quasi-exact…

Quantum Physics · Physics 2009-11-07 N. Debergh , J. Ndimubandi , B. Van den Bossche

We present a definition of integrability for the one dimensional Schroedinger equation, which encompasses all known integrable systems, i.e. systems for which the spectrum can be explicitly computed. For this, we introduce the class of…

Mathematical Physics · Physics 2016-09-15 Thierry Combot