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Jahanshir, Arezu, Omugbe, Ekwevugbe. (1403). Biexciton in Strongly Oblate Ellipsoidal Quantum Dot with Relativistic Corrections. دوماهنامه علمی - پژوهشی رهیافتی نو در مدیریت آموزشی, 9(2), 1-21. doi: 10.30495/jopn.2024.32573.1302
Arezu Jahanshir; Ekwevugbe Omugbe. "Biexciton in Strongly Oblate Ellipsoidal Quantum Dot with Relativistic Corrections". دوماهنامه علمی - پژوهشی رهیافتی نو در مدیریت آموزشی, 9, 2, 1403, 1-21. doi: 10.30495/jopn.2024.32573.1302
Jahanshir, Arezu, Omugbe, Ekwevugbe. (1403). 'Biexciton in Strongly Oblate Ellipsoidal Quantum Dot with Relativistic Corrections', دوماهنامه علمی - پژوهشی رهیافتی نو در مدیریت آموزشی, 9(2), pp. 1-21. doi: 10.30495/jopn.2024.32573.1302
Jahanshir, Arezu, Omugbe, Ekwevugbe. Biexciton in Strongly Oblate Ellipsoidal Quantum Dot with Relativistic Corrections. دوماهنامه علمی - پژوهشی رهیافتی نو در مدیریت آموزشی, 1403; 9(2): 1-21. doi: 10.30495/jopn.2024.32573.1302

Biexciton in Strongly Oblate Ellipsoidal Quantum Dot with Relativistic Corrections

Journal of Optoelectronical Nanostructures
مقاله 1، دوره 9، شماره 2 - شماره پیاپی 28، مرداد 2024، صفحه 1-21    اصل مقاله (1.29 M)
نوع مقاله: Articles
شناسه دیجیتال (DOI): 10.30495/jopn.2024.32573.1302
نویسندگان
Arezu Jahanshir* 1؛ Ekwevugbe Omugbe2
1Department of Physics and Engineering Sciences, Buein Zahra Technical University, Buein Zahra, Iran
2Department of Physics, University of Agriculture and Environmental Sciences Umuagwo, Imo State, Nigeria
تاریخ دریافت: 18 مهر 1402،  تاریخ بازنگری: 16 فروردین 1403،  تاریخ پذیرش: 15 اسفند 1402 
چکیده
Abstract
Recent progress in high-technology equipment enables the fabrication of quantum dots such as GaAs, and GaAlAs confining a finite number of excitons and allowing for control of the properties of quantum dots. Biexciton quantum dots are the simplest example that can be used to upgrade optoelectronics technologies. This theoretical research investigates a model of the biexciton state in the strongly oblate ellipsoidal quantum dot with the relativistic corrections of mass and Hamiltonian in the framework of the quantum field theory due to the importance of the relativistic effect for this type of quantum dot shapes. The Sturmian function transformation and Wick ordering method to calculate the vacuum state energy eigenvalue of the biexciton system are utilized. Based on the relativistic behavior of interactions, the mass corrections to the Hamiltonian are defined. Dependence of the relativistic mass on the distances between electrons and the constituent mass to the coupling constant is obtained. The results show that as increasing quantum dot size, the relativistic mass and Hamiltonian corrections terms decrease.
کلیدواژه‌ها
Exciton؛ Ellipsoidal QD؛ Ground State Energy؛ Oblate Ellipsoid؛ Relativistic Correction
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