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Using a recent reformulation of quantum mechanics where the potential function is not required, we are able to obtain the energy spectrum and wave function associated with the infinite square well analytically. Therefore, this work…

Mathematical Physics · Physics 2017-02-06 A. D. Alhaidari , T. J. Taiwo

The Schr\"{o}dinger equation is solved for the case of a particle confined to a small region of a box with infinite walls. If walls of the well are moved, then, due to an effective quantum nonlocal interaction with the boundary, even though…

Quantum Physics · Physics 2012-08-27 S. V. Mousavi

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…

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

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

We consider a non relativistic charged particle in a 1-dimensional infinite square potential well. This quantum system is subjected to a control, which is a uniform (in space) time depending electric field. It is represented by a complex…

Analysis of PDEs · Mathematics 2008-01-11 Karine Beauchard , Mazyar Mirrahimi

A method for determination of bound state energies for an asymmetric quantum well with an arbitrary shape of the bottom is suggested. It is shown that how the equation determining the energy levels can be easily derived if one knows the…

Quantum Physics · Physics 2009-11-10 D. M. Sedrakian , A. Zh. Khachatrian

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

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

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

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

Consider a one dimensional quantum mechanical particle described by the Schroedinger equation on a closed curve of length $2\pi$. Assume that the potential is given by the square of the curve's curvature. We show that in this case the…

Mathematical Physics · Physics 2007-05-23 Helmut Linde

An infinite sequence of potential well functions is considered. A trial wavefunction is used with the Schr$\ddot{\text{o}}$dinger equation to obtain an approximate ground state energy for each potential well function. We obtain an…

Quantum Physics · Physics 2018-03-07 Rodney O. Weber

In this paper, a 1-parameter family of Newton's equivalent Hamiltonians (NEH) for finite square well potential is analyzed in order to obtain bound state energy spectrum and wavefunctions. For a generic potential, each of the NEH is…

Quantum Physics · Physics 2018-10-12 Amornthep Tita , Pichet Vanichchapongjaroen

The original model of the infinite square well contains a vague notation infinity and therefore results some ambiguities. We investigate to obtain a functional form for the potential energy V(x). This is done by substituting back the…

Quantum Physics · Physics 2016-04-19 Chyi-Lung Lin

We show that it needs a more delicate potential to confine particles inside a well. The original model containing a vague notation of infinity in the potential energy is ambiguous. Using the Heaviside step function and the Dirac…

Quantum Physics · Physics 2015-05-04 Chyi-Lung Lin

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

Ehrenfest's theorem in the infinite square well is up to now only manifested indirectly. The manifestation of this theorem is first done in the finite square well, and then consider the infinite square well as the limit of the finite well.…

Quantum Physics · Physics 2016-09-26 Chyi-Lung Lin

A chart for the quantum mechanics of a particle of mass $m$ in a one-dimensional potential well of width $w$ and depth $V_0$ is derived. The chart is obtained by normalizing energy and potential through multiplication by ${8 m}{w^2} / h^2$,…

General Physics · Physics 2017-10-31 M. Chiani

We develop the formalism of quantum mechanics on three dimensional fuzzy space and solve the Schr\"odinger equation for a free particle, finite and infinite fuzzy wells. We show that all results reduce to the appropriate commutative limits.…

High Energy Physics - Theory · Physics 2015-06-22 N Chandra , H W Groenewald , J N Kriel , F G Scholtz , S Vaidya
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