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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…

One dimensional quantum mechanics problems, namely the infinite potential well, the harmonic oscillator, the free particle, the Dirac delta potential, the finite well and the finite barrier are generalized for finite arbitrary dimension in…

Quantum Physics · Physics 2021-01-12 Sergio Giardino

The Schroedinger equation on the half line is considered with a real-valued, integrable potential having a finite first moment. It is shown that the potential and the boundary conditions are uniquely determined by the data containing the…

Mathematical Physics · Physics 2009-11-10 Tuncay Aktosun , Ricardo Weder

This paper is about the fractional Schr\"odinger equation expressed in terms of the Caputo time-fractional and quantum Riesz-Feller space fractional derivatives for particle moving in a potential field. The cases of free particle (zero…

Mathematical Physics · Physics 2020-01-22 Saleh Baqer , Lyubomir Boyadjiev

In this work we investigate the quantum dynamics of an electric dipole in a $(2+1)$-dimensional conical spacetime. For specific conditions, the Schr\"odinger equation is solved and bound states are found with the energy spectrum and…

General Relativity and Quantum Cosmology · Physics 2009-11-11 C. A. de Lima Ribeiro , Claudio Furtado , Fernando Moraes

We prove a local in time smoothing estimate for a magnetic Schrodinger equation with coefficients growing polynomially at spatial infinity. The assumptions on the magnetic field are gauge invariant and involve only the first two…

Analysis of PDEs · Mathematics 2016-03-24 Piero D'Ancona , Luca Fanelli

In this paper, we present a method for reducing the three dimensional Schrodinger equation to study confined metallic states, such as quantum well states, in a multilayer film geometry. While discussing some approximations that are employed…

Condensed Matter · Physics 2009-11-10 C. Abbott , M. Rasamny , G. W. Fernando

In this paper we consider the nonlinear one-dimensional time-dependent Schroedinger equation with a periodic potential and a local perturbation. In the limit of large periodic potential the time behavior of the wavefunction can be…

Mathematical Physics · Physics 2019-10-10 Andrea Sacchetti

We study the Schroedinger equation of a class of two-level systems under the action of a periodic time-dependent external field in the situation where the energy difference 2epsilon between the free energy levels is sufficiently small with…

Mathematical Physics · Physics 2009-10-31 J. C. A. Barata

In this paper, we study the Schr\"odinger equation with Dunkl derivative for a free particle confined in a cylindrical potential well. We consider both the finite and infinite height cases. The Dunkl formalism introduces reflection…

Quantum Physics · Physics 2025-08-08 R. D. Mota , D. Ojeda-Guillén , M. Salazar-Ramírez

We study the representation theory of the solution space of the one-dimensional Schr\"{o}dinger equation with time-dependent potentials that posses $\mathfrak{sl}_2$-symmetry. We give explicit local intertwining maps to multiplier…

Representation Theory · Mathematics 2011-04-19 Jose Franco

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

We construct soliton solution of a variable coefficients nonlinear Schr\"odinger equation in the presence of parity reflection - time reversal $(\mathcal{PT})-$ symmetric Rosen-Morse potential using similarity transformation technique. We…

Pattern Formation and Solitons · Physics 2021-05-14 K. Manikandan , J. B. Sudharsan , M. Senthilvelan

The exact solution of the Schr\"odinger equation for the one-dimensional system of interacting particles with the linear dispersion law in an arbitrary external field is found. The solution is reduced to two groups of particles moving with…

Mesoscale and Nanoscale Physics · Physics 2018-01-17 M. V. Entin , L. S. Braginsky

Proximity effect systems in superconducting films can be modeled by a one-dimensional Schr\"odinger equation. Several systems are studied using Dirichlet and Neumann boundary conditions. It is observed that the two boundary conditions have…

Quantum Physics · Physics 2009-11-13 P. R. Broussard

An easy to implement modulus-squared Dirichlet (MSD) boundary condition is formulated for numerical simulations of time-dependent complex partial differential equations in multidimensional settings. The MSD boundary condition approximates a…

Numerical Analysis · Computer Science 2011-10-05 R. M. Caplan , R. Carretero-González

The Schr\"odinger equation for a charged particle in the field of a nonrelativistic electric quadrupole in two dimensions is known to be separable in spherical coordinates. We investigate the occurrence of bound states of negative energy…

Quantum Physics · Physics 2013-12-05 Francisco M. Fernández

We consider the inverse problem of determining the time and space dependent electromagnetic potential of the Schr\"odinger equation in a bounded domain of $\mathbb R^n$, $n\geq 2$, by boundary observation of the solution over the entire…

Analysis of PDEs · Mathematics 2017-05-04 Yavar Kian , Eric Soccorsi

In this work, aiming to solve numerically the Schr\"odinger equation with a Dirac delta function potential, we use the Numerov method to solve the time independent 1D-Schr\"odinger equation with potentials of the form V(x) + deltap(x),…

Quantum Physics · Physics 2015-07-15 S. D. G. Martinz , R. V. Ramos

We investigate the validity of gaussian lower bounds for solutions to an electromagnetic Schr\"odinger equation with a bounded time-dependent complex electric potential and a time-independent vector magnetic potential. We prove that, if a…

Analysis of PDEs · Mathematics 2021-07-23 Juan Antonio Barceló , Biagio Cassano , Luca Fanelli