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We establish quantum dynamical lower bounds for a number of discrete one-dimensional Schr\"odinger operators. These dynamical bounds are derived from power-law upper bounds on the norms of transfer matrices. We develop further the approach…

Mathematical Physics · Physics 2014-12-31 David Damanik , Andras Suto , Serguei Tcheremchantsev

The energy spectra and the wave function depending on the c-factor are investigated for a more general Woods-Saxon potential (MGWSP) with an arbitrary l - state. The wave functions are expressed in terms of the Jacobi polynomials. Two…

Quantum Physics · Physics 2011-08-20 Akpan Ndem Ikot , Ita Okon Akpan

We need to solve a suitable exponential form of the position-dependent mass (PDM) Schr\"odinger equation with a charged particle placed in the Hulthen plus Coulomb-like potential field and under the influence of the external magnetic and…

Quantum Physics · Physics 2018-04-04 Mahdi Eshghi , Ramazan Sever , Sameer M. Ikhdair

This work continues to study the set of quasi exactly solvable potentials related to the Eckart, Hult\'{e}n, Rosen-Morse, Coulomb and the harmonic oscillator potentials. We solve the Schr\"{o}dinger equation for each potential and obtain…

Mathematical Physics · Physics 2007-05-23 Ramazan Koc , Mehmet Koca

Exactly solvable models play an extremely important role in many fields of quantum physics. In this study, the Schr\"{o}dinger equation is applied for a solution of a two--dimensional (2D) problem for two particles interacting via Kratzer,…

Quantum Physics · Physics 2023-11-21 Roman Ya. Kezerashvili , Jianning Luo , Claudio R. Malvino

The energy-based stochastic extension of the Schrodinger equation is a rather special nonlinear stochastic differential equation on Hilbert space, involving a single free parameter, that has been shown to be very useful for modelling the…

Quantum Physics · Physics 2009-11-07 Dorje C. Brody , Lane P. Hughston

The procedure proposed recently by J.Bougie, A.Gangopadhyaya and J.V.Mallow to study the general form of shape invariant potentials in one-dimensional Supersymmetric Quantum Mechanics (SUSY QM) is generalized to the case of Higher Order…

Quantum Physics · Physics 2015-05-20 F. Cannata , M. V. Ioffe , E. V. Kolevatova , D. N. Nishnianidze

A benchmark-quality potential energy curve is reported for the H$_3$ system in collinear nuclear configurations. The electronic Schr\"odinger equation is solved using explicitly correlated Gaussian (ECG) basis functions using an optimized…

Chemical Physics · Physics 2022-07-13 Dávid Ferenc , Edit Mátyus

During recent years, exact solutions of position-dependent mass Schr\"odinger equations have inspired intense research activities, based on the use of point canonical transformations, Lie algebraic methods or supersymmetric quantum…

Mathematical Physics · Physics 2015-05-13 C. Quesne

A recursion technique of obtaining the asymptotical expansions for the bound-state energy eigenvalues of the radial Schr\"odinger equation with a position-dependent mass is presented. As an example of the application we calculate the energy…

Quantum Physics · Physics 2012-06-11 D. A. Kulikov , V. M. Shapoval

Wave equations with energy-dependent potentials appear in many areas of physics, ranging from nuclear physics to black hole perturbation theory. In this work, we use the semi-classical WKB method to first revisit the computation of bound…

High Energy Physics - Phenomenology · Physics 2024-06-06 Saulo Albuquerque , Sebastian H. Völkel , Kostas D. Kokkotas

The polynomial solution of the N-dimensional space Schrodinger equation for a special case of Mie potential is obtained for any arbitrary $% l-state. The exact bound-state energy eigenvalues and the corresponding eigenfunctions are…

Quantum Physics · Physics 2008-07-15 Sameer M. Ikhdair , Ramazan Sever

In higher dimensional gauge theory, we need energies with higher power terms of field strength in order to realize point-wise monopoles. We consider new models with higher power terms of field strength and extraordinary kinetic term of…

High Energy Physics - Theory · Physics 2009-03-12 Hironobu Kihara

The present paper engages in a particular attempt to acquire exact analytical eigensolutions of the position-dependent effective mass (PDEM) Schr\"odinger equation for a variety of squared style trigonometric potentials. The algebraic…

Quantum Physics · Physics 2023-01-02 Metin Aktaş

We study spectral properties of energy-dependent Sturm-Liouville equations, introduce the notion of norming constants and establish their interrelation with the spectra. One of the main tools is the linearization of the problem in a…

Spectral Theory · Mathematics 2013-01-01 Nataliya Pronska

We present all real quantum mechanical potentials in a two-dimensional Euclidean space that have the following properties: 1. They allow separation of variables of the Schr\"odinger equation in polar coordinates, 2. They allow an…

Mathematical Physics · Physics 2017-11-23 Adrian M. Escobar-Ruiz , J. C. López Vieyra , P. Winternitz

In this paper, a quantum dot mathematical model based on a two-dimensional Schr\"odinger equation assuming the 1/r inter-electronic potential is revisited. Generally, it is argued that the solutions of this model obtained by solving a…

Quantum Physics · Physics 2021-10-19 Francisco Caruso , Vitor Oguri , Felipe Silveira

In recent work, we used pseudo-differential theory to establish conditions that the initial-boundary value problem for second order systems of wave equations be strongly well-posed in a generalized sense. The applications included the…

General Relativity and Quantum Cosmology · Physics 2009-11-13 H. -O. Kreiss , O. Reula , O. Sarbach , J. Winicour

We investigate existence and qualitative behaviour of solutions to nonlinear Schr\"odinger equations with critical exponent and singular electromagnetic potentials. We are concerned with magnetic vector potentials which are homogeneous of…

Analysis of PDEs · Mathematics 2010-09-20 Laura Abatangelo , Susanna Terracini

One construction of exactly-solvable potentials for Fokker-Planck equation is considered based on supersymmetric quantum mechanics approach.

Quantum Physics · Physics 2007-05-23 George Krylov
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