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Firstly we derive peculiar spherical Weyl solutions, using a general spherically symmetric metric due to a massive charged object with definite mass and radius. Afterwards, we present new analytical solutions for relevant cosmological…

General Relativity and Quantum Cosmology · Physics 2012-10-11 Farrin Payandeh , Mohsen Fathi

The effect of the uniform magnetic field on the electron in the spherically symmetric square-well potential is studied. A transcendental equation that determines the electron energy spectrum is derived. The approximate value of the lowest…

Quantum Physics · Physics 2007-05-23 I. V. Mamsurov , F. Kh. Chibirova

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

We derive a nonsymmetrized 8-band effective-mass Hamiltonian for quantum-dot heterostructures (QDHs) in Burt's envelope-function representation. The 8x8 radial Hamiltonian and the boundary conditions for the Schroedinger equation are…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 E. P. Pokatilov , V. A. Fonoberov , V. M. Fomin , J. T. Devreese

We give precise meaning to piecewise constant potentials in non-commutative quantum mechanics. In particular we discuss the infinite and finite non-commutative spherical well in two dimensions. Using this, bound-states and scattering can be…

High Energy Physics - Theory · Physics 2008-11-26 F. G. Scholtz , B. Chakraborty , J. Govaerts , S. Vaidya

Reflectance, transmittance and absorbance of a symmetric light pulse, the carrying frequency of which is close to the frequency of interband transitions in a quantum well, are calculated. Energy levels of the quantum well are assumed…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 L. I. Korovin , I. G. Lang , S. T. Pavlov

In this study, we have performed a detailed investigation of the electronic properties of a core/shell/well/shell multi-layered spherical quantum dot, such as energy eigenvalues, wave functions, electron probability distribution and binding…

Mesoscale and Nanoscale Physics · Physics 2013-05-07 Hatice Taş , Mehmet Sahin

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

We study {\it analytically} the characteristic resonance spectrum of charged massive scalar fields linearly coupled to a spherically symmetric charged reflecting shell. In particular, we use analytical techniques in order to solve the…

General Relativity and Quantum Cosmology · Physics 2018-06-27 Shahar Hod

The effect of non-sphericity of the quantum dot on the eigenvalues and eigenfunctions has been investigated for the case of both the finite and infinite barrier. The ground and excited state energies have been calculated for prolate and…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Anjana Bagga , P. K. Chattopadhyay , Subhasis Ghosh

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

The energy spectrum and corresponding wave functions of a flat quantum dot with elliptic symmetry are obtained exactly. A detailed study is made of the effect of ellipticity on the energy levels and the corresponding wave functions. The…

Condensed Matter · Physics 2008-04-09 M. van den Broek , F. M. Peeters

The quantum molecule consisting of three quantum dots that forms a triangle with its centers is studied. The electron wave function in the nanosystem is written using the linear combination of orbital quantum wells. The dispersion equation…

Mesoscale and Nanoscale Physics · Physics 2020-03-05 I. V. Bilynskyi , V. B. Hols'kyi , R. Ya. Leshko

he properties of excitons formed in spherical quantum dots are studied using the $\mathbf{k}\cdot\mathbf{p}$ method within the Hartree approximation. The spherical quantum dots considered have a central core and several concentric layers of…

Mesoscale and Nanoscale Physics · Physics 2019-10-11 Mariano Garagiola , Omar Osenda

The eigenvalue equations for the energy of bound states of a particle in a square well are solved, and the exact solutions are obtained, as power series. Accurate analytical approximate solutions are also given. The application of these…

Quantum Physics · Physics 2015-06-16 Victor Barsan

The collective charge-excitation spectrum of a double quantum well system in a strong magnetic field is obtained within the random phase approximation. Correction to the spectrum coming from the finiteness of the magnetic field is…

Condensed Matter · Physics 2009-10-22 Osamu Narikiyo , Daijiro Yoshioka

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

We get deeper understanding of the role played by boundary conditions in quantum field theory, by studying the structure of a scalar massless quantum field theory bounded by two one dimensional planar crystal plates. The system can also be…

Mathematical Physics · Physics 2011-09-23 J. M. Munoz-Castaneda , M. Bordag

We present the exact wave functions and energy levels of electron in a two-dimensional circular quantum dot in the presence of the Rashba spin-orbit interaction. The confinement is described by the realistic potential well of finite depth.

Mathematical Physics · Physics 2009-11-17 V. V. Kudryashov

Geometric and topological bounds are obtained for the first energy level gap of a particle constrained to move on a compact surface in 3-space. Moreover, geometric properties are found which allows for stationary and uniformly distributed…

Quantum Physics · Physics 2024-12-23 Vicent Gimeno i Garcia , Steen Markvorsen