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The finite square potential well is a staple problem in introductory quantum mechanics. There is an extensive literature on the determination of the allowed energies, which requires the solution of a transcendental equation by numerical,…

Quantum Physics · Physics 2026-03-10 Nivaldo A. Lemos

Within the framework of fractional quantum mechanics, an exact solution has been found for the energy spectrum of a quantum particle confined in a quantum well - a symmetric one-dimensional finite potential well. A simple graphical…

Quantum Physics · Physics 2025-09-01 Nick Laskin

There are various types of infinite potential well problems occurring in elementary quantum mechanics formalism. The infinite square well (one dimensional), cubical box and, spherical well are quite common in textbooks. In this paper, we…

Quantum Physics · Physics 2021-05-19 Pratik Adarsh , Sabyasachi Ghosh

A square potential well with position-dependent mass is studied for bound states. Applying appropriate matching conditions, a transcendental equation is derived for the energy eigenvalues. Numerical results are presented graphically and the…

Quantum Physics · Physics 2009-11-13 A. Ganguly , S. Kuru , J. Negro , L. M. Nieto

Standard power series are used to construct and analyze angular and radial spheroidal functions, which are necessary for solving boundary value problems for Helmholtz equation in a spheroid. With an advanced approach the low-lying energy…

Mesoscale and Nanoscale Physics · Physics 2023-07-11 N. A. Usov

We extend the standard treatment of the asymmetric infinite square well to include solutions that have zero curvature over part of the well. This type of solution, both within the specific context of the asymmetric infinite square well and…

Quantum Physics · Physics 2007-05-23 L. P. Gilbert , M. Belloni , M. A. Doncheski , R. W. Robinett

One of the most widely problem studied in quantum mechanics is of an infinite square-well potential. In a minimal-length scenario its study requires additional care because the boundary conditions at the walls of the well are not well…

We introduce a numerical method to obtain approximate eigenvalues for some problems of Sturm-Liouville type. As an application, we consider an infinite square well in one dimension in which the mass is a function of the position. Two…

Quantum Physics · Physics 2014-02-24 Juan Jose Alvarez , Manuel Gadella , Luis Pedro Lara

We present a solution of the quantum mechanics problem of the allowable energy levels of a bound particle in a one-dimensional finite square well. The method is a geometric-analytic technique utilizing the conformal mapping $w \to z = w…

Mathematical Physics · Physics 2017-02-07 Ken Roberts , S. R. Valluri

One examines the infinitely deep quantum cavity, also known as the quantum infinite square well, within the framework of the real Hilbert space. The solutions are considered in terms of complex wave functions, and also in terms of…

Quantum Physics · Physics 2026-02-19 Sergio Giardino

From a careful study of the transcendental equations fulfilled by the bound state energies of a free particle in a quantum well, cylindrical wire or spherical dot with finite potential barrier, we have derived analytical expressions of…

Mesoscale and Nanoscale Physics · Physics 2015-06-24 X. Leyronas , M. Combescot

We examine the revival features in wave packet dynamics of a particle confined in a finite square well potential. The possibility of tunneling modifies the revival pattern as compared to an infinite square well potential. We study the…

Quantum Physics · Physics 2009-10-31 Anu Venugopalan , G. S. Agarwal

We use the discrete approach to solve the Schr\"odinger as well as the Bloch equations for a free particle and the quantum gas of free particles embedded in an infinite quantum well with the finite width. We obtain the expressions of energy…

Quantum Physics · Physics 2023-03-16 Dušan Popov

We give a lower bound for the energy of a quantum particle in the infinite square well. We show that the bound is exact and identify the well-known element that fulfils the equality. Our approach is not directly dependent on the…

Mathematical Physics · Physics 2011-03-17 M. Ogren , M. Carlsson

We explore the energy spectrum of a non-relativistic particle bound in a linear finite range, attractive potential, envisaged as a quark-confining potential. The intricate transcendental eigenvalue equation is solved numerically to obtain…

Quantum Physics · Physics 2008-11-01 Nagalakshmi A Rao , B. A. Kagali

This study examines Quaternion Dirac solutions for an infinite square well. The quaternion result does not recover the complex result within a particular limit. This raises the possibility that quaternionic quantum mechanics may not be…

Quantum Physics · Physics 2016-01-20 Sergio Giardino

We determine approximate eigenvalues and eigenfunctions shapes for bound states in the $3D$ shallow spherical ultrarelativistic well. Existence thresholds for the ground state and first excited states are identified, both in the purely…

Quantum Physics · Physics 2018-10-24 Mariusz Zaba , Piotr Garbaczewski

The one-dimensional infinite square well is the simplest solution of quantum mechanics, and consequently one of the most important. In this article, we provide this solution using the real Hilbert space approach to quaternic quantum…

Quantum Physics · Physics 2021-01-12 Sergio Giardino

A particle confined to an impassable box is a paradigmatic and exactly solvable one-dimensional quantum system modeled by an infinite square well potential. Here we explore some of its infinitely many generalizations to two dimensions,…

Computational Physics · Physics 2023-02-06 Elliott G. Holliday , John F. Lindner , William L. Ditto

Quantum Wells (QW) are of great importance in optoelectronic devices such as LEDs and LASERs, being the emissive layers.Simulating the quantum particles in different QW topologies like rectangular finite potential wells, multiple potential…

Mesoscale and Nanoscale Physics · Physics 2025-08-12 Barbaros Şair
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