Calculation of energy states of excitons in square quantum wells | Zendy

Pavel A. Belov | Zendy

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Calculation of energy states of excitons in square quantum wells

Author(s) -

Pavel A. Belov

Publication year - 2018

Publication title -

физика и техника полупроводников

Language(s) - English

Resource type - Journals

eISSN - 1726-7315

pISSN - 0015-3222

DOI - 10.21883/ftp.2018.05.45839.28

Subject(s) - exciton , hamiltonian (control theory) , excited state , quantum well , physics , energy operator , schrödinger equation , quantum mechanics , wave function , biexciton , formalism (music) , envelope (radar) , radiative transfer , quantum electrodynamics , condensed matter physics , energy (signal processing) , mathematics , art , mathematical optimization , laser , musical , radar , telecommunications , computer science , visual arts

The ground and excited energy states of excitons in single square GaAs-based quantum wells are found by the numerical solution of the three-dimensional Schrödinger equation. This equation is obtained within the envelope-function formalism from the exciton energy operator using the spherical approximation of the Luttinger Hamiltonian. Precise results for the exciton states are achieved by the finite-difference method. The radiative decay rates of the calculated states are also determined.

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