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Portable Scheme for Solving 1-D Time-Dependent Schrodinger Equation for Photo-Induced Dynamics of an Electron in Quantum Wells

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Field Value
 
Title Portable Scheme for Solving 1-D Time-Dependent Schrodinger Equation for Photo-Induced Dynamics of an Electron in Quantum Wells
 
Creator ARORA, HS
MIYAMOTO, Y
 
Subject Effective mass
III-V semiconductor materials
photovoltaic cells
quantum wells
Schrodinger equation
SOLAR-CELLS
LIGHT
 
Description We provide a simple numerical scheme for solving the ground state of an electron with arbitrary potential profile of quantum wells (QWs) as well as time-evolution under optical excitation by solving the (time-dependent) Schrodinger equation. Photo-induced migration of electron under asymmetric potential profile of QWs is demonstrated, which is highly sensitive to the wavelength of the applied light. Furthermore, electron behavior in multiple QWs is examined with and without irregularity in the period of multiple QWs. We believe that the current numerical scheme will be a useful tool for designing QWs to enhance photo-excitation and subsequent carrier migration without massive computational effort. We note that the current computational scheme is easy to code and perform, even on a laptop computer.
 
Publisher IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
 
Date 2014-10-17T05:35:25Z
2014-10-17T05:35:25Z
2013
 
Type Article
 
Identifier IEEE JOURNAL OF QUANTUM ELECTRONICS, 49(4)395-401
http://dx.doi.org/10.1109/JQE.2013.2248130
http://dspace.library.iitb.ac.in/jspui/handle/100/16081
 
Language en