Spectral structure and solution of fractional hydrogen atom difference equations

In this study, discrete fractional hydrogen atom (DFHA) operators are presented. Hydrogen atom differential equations have series solution due to having singularity and also obtaining a series solution for DFHA equations have some difficulties, for this reason, we study to obtain solution of DFHA eq...

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Main Authors: Erdal Bas, Ramazan Ozarslan, Resat Yilmazer
Format: Article
Language:English
Published: AIMS Press 2020-01-01
Series:AIMS Mathematics
Subjects:
Online Access:https://www.aimspress.com/article/10.3934/math.2020093/fulltext.html
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author Erdal Bas
Ramazan Ozarslan
Resat Yilmazer
author_facet Erdal Bas
Ramazan Ozarslan
Resat Yilmazer
author_sort Erdal Bas
collection DOAJ
description In this study, discrete fractional hydrogen atom (DFHA) operators are presented. Hydrogen atom differential equations have series solution due to having singularity and also obtaining a series solution for DFHA equations have some difficulties, for this reason, we study to obtain solution of DFHA equations by means of nabla Laplace transform. In addition to all these, we show self-adjointness of the DFHA operator and some spectral properties, like orthogonality of distinct eigenfunctions, reality of eigenvalues. Finally, we find an analytical solution of the problem under different <em>q</em> (<em>t</em>) potential functions, different fractional orders and different eigenvalues and the results obtained are illustrated by tables and simulations.
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spelling doaj.art-d42d5e1bc5c44ac68271370ed7fcbcff2022-12-22T01:30:54ZengAIMS PressAIMS Mathematics2473-69882020-01-01521359137110.3934/math.2020093Spectral structure and solution of fractional hydrogen atom difference equationsErdal Bas0Ramazan Ozarslan1Resat Yilmazer2Department of Mathematics, Science Faculty, Firat University, 23119 Elazig, TurkeyDepartment of Mathematics, Science Faculty, Firat University, 23119 Elazig, TurkeyDepartment of Mathematics, Science Faculty, Firat University, 23119 Elazig, TurkeyIn this study, discrete fractional hydrogen atom (DFHA) operators are presented. Hydrogen atom differential equations have series solution due to having singularity and also obtaining a series solution for DFHA equations have some difficulties, for this reason, we study to obtain solution of DFHA equations by means of nabla Laplace transform. In addition to all these, we show self-adjointness of the DFHA operator and some spectral properties, like orthogonality of distinct eigenfunctions, reality of eigenvalues. Finally, we find an analytical solution of the problem under different <em>q</em> (<em>t</em>) potential functions, different fractional orders and different eigenvalues and the results obtained are illustrated by tables and simulations.https://www.aimspress.com/article/10.3934/math.2020093/fulltext.htmlhydrogen atomdiscrete fractionalelectroneigenvalueschrödinger equationenergy level
spellingShingle Erdal Bas
Ramazan Ozarslan
Resat Yilmazer
Spectral structure and solution of fractional hydrogen atom difference equations
AIMS Mathematics
hydrogen atom
discrete fractional
electron
eigenvalue
schrödinger equation
energy level
title Spectral structure and solution of fractional hydrogen atom difference equations
title_full Spectral structure and solution of fractional hydrogen atom difference equations
title_fullStr Spectral structure and solution of fractional hydrogen atom difference equations
title_full_unstemmed Spectral structure and solution of fractional hydrogen atom difference equations
title_short Spectral structure and solution of fractional hydrogen atom difference equations
title_sort spectral structure and solution of fractional hydrogen atom difference equations
topic hydrogen atom
discrete fractional
electron
eigenvalue
schrödinger equation
energy level
url https://www.aimspress.com/article/10.3934/math.2020093/fulltext.html
work_keys_str_mv AT erdalbas spectralstructureandsolutionoffractionalhydrogenatomdifferenceequations
AT ramazanozarslan spectralstructureandsolutionoffractionalhydrogenatomdifferenceequations
AT resatyilmazer spectralstructureandsolutionoffractionalhydrogenatomdifferenceequations