Journal ArticleDOI
Confinement of an exciton in a quantum dot: effect of modified Kratzer potential
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In this article, an exciton confined in a quantum dot with modified Kratzer potential was considered and the electronic and optical properties of the system were studied by using the numerical diagonalization of the Hamiltonian matrix.Abstract:
In the present work, we have considered an exciton confined in a quantum dot with modified Kratzer potential. We have studied the electronic and optical properties of the system by using the numerical diagonalization of the Hamiltonian matrix. For this purpose, we have calculated the binding energies of the ground and first excited states as functions of the quantum dot size. We have also computed the linear, nonlinear and total absorption coefficients between ground and first excited states. It is found that the quantum dot radius has an important role on the binding energy and absorption coefficient.read more
Citations
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Linear and nonlinear optical properties in spherical quantum dots: Inversely quadratic Hellmann potential
L. Máthé,C. P. Onyenegecha,A.-A. Farcaş,L.-M. Pioraş-Ţimbolmaş,Mehdi Solaimani,Hassan Hassanabadi +5 more
TL;DR: In this paper, the Schrodinger equation is solved using the Nikiforov-Uvarov (NU) method, in order to obtain the analytical expressions of the eigenenergies and eigenfunctions.
Journal ArticleDOI
Core/shell/shell spherical quantum dot with Kratzer confining potential: Impurity states and electrostatic multipoles
David B. Hayrapetyan,David B. Hayrapetyan,Eduard M. Kazaryan,L. S. Petrosyan,L. S. Petrosyan,Hayk A. Sarkisyan,Hayk A. Sarkisyan +6 more
TL;DR: In this paper, an exactly solvable problem of impurity states in core/shell/shell spherical quantum dot is considered, and the analytical expressions for the energy spectrum and wave functions of the impurity electron are obtained.
Journal ArticleDOI
Linear and nonlinear optical properties in spherical quantum dots: Rosen-Morse potential
R. Khordad,B. Mirhosseini +1 more
TL;DR: In this paper, the authors have studied optical properties of spherical quantum dots by using Rosen-Morse potential and obtained energy levels and wave functions by applying Nikiforov-Uvarov (NU) method.
Journal ArticleDOI
Bound state solutions to the Schrödinger equation for some diatomic molecules
TL;DR: In this paper, the bound state solutions to the radial Schrodinger equation were obtained in three-dimensional space using the series expansion method within the framework of a general interaction potential, and the energy eigenvalues of the pseudoharmonic and Kratzer potentials were given as special cases.
Journal ArticleDOI
Electronic structure of a spherical quantum dot: Effects of the Kratzer potential, hydrogenic impurity, external electric and magnetic fields
TL;DR: In this paper, the simultaneous effects of external electric and magnetic fields on the energy spectrum of an electron bound to an impurity confined in a spherical quantum dot with Kratzer potential were investigated.
References
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Hydrogenic impurity states in a quantum well: A simple model
TL;DR: A variational calculation of hydrogenic impurity states in a quantum well has been performed in this article, where the binding energy of donor (acceptor) levels is calculated as a function of layer thickness and of the impurity position.
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Experimental Proof of the Existence of a New Electronic Complex in Silicon
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Die ultraroten Rotationsspektren der Halogenwasserstoffe
TL;DR: In this article, the Energie einer rotierenden and zugleich schwingenden Molekel bei einem allgemeinen Kraftgesetze zwischen den Kernen (anharmonischer Oszillator) durch die Quantenzahlen der Rotation and Schwingung ausgedruckt.
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Homogeneous Linewidths in the Optical Spectrum of a Single Gallium Arsenide Quantum Dot
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Near-Field Spectroscopy of the Quantum Constituents of a Luminescent System
TL;DR: Near-field microscopy/spectroscopy provides a means to access energies and homogeneous line widths for the individual eigenstates of these centers, and thus opens a rich area of physics involving quantum resolved systems.