阿哈诺夫-玻姆通量、拓扑缺陷和磁场对量子等离子体环境中量子点光学特性的影响

IF 2.2 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of Computational Electronics Pub Date : 2024-01-22 DOI:10.1007/s10825-023-02124-7

Ahmad Ghanbari

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引用次数: 0

摘要

摘要本文研究了弱耦合量子等离子体中量子点在阿哈诺夫-玻姆磁通场、拓扑缺陷和匀强磁场作用下的总吸收系数、折射率变化系数、二次谐波产生和三次谐波产生。计算是通过佩卡变分法和紧凑密度矩阵法进行的。通过求解薛定谔方程，得出了能级。然后，利用获得的能量特征值，我们推导出所考虑系统的光学特性。我们的结果表明，随着参数大小的显著变化，会出现红移或蓝移以及最大和最小共振。

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Aharonov–Bohm flux, topological defect and magnetic field effects on the optical properties of quantum dots in a quantum-plasma environment

In this paper, we investigate the total absorption coefficient, refractive index change coefficient, second harmonic generation and third harmonic generation of quantum dots in a weakly coupled quantum plasma under the effects of an Aharonov–Bohm flux field, topological defect and uniform magnetic field. The calculations are carried out via the Pekar variational method and compact density matrix approach. By solving the Schrodinger equation, the energy levels are derived. Then, using the obtained energy eigenvalues, we deduce the optical properties of the considered system. Our results show that with significant variations in the magnitudes of the parameters, either a redshift or a blueshift and maximum and minimum resonance appear.

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来源期刊

Journal of Computational Electronics ENGINEERING, ELECTRICAL & ELECTRONIC-PHYSICS, APPLIED

CiteScore

4.50

自引率

4.80%

发文量

142

审稿时长

>12 weeks

期刊介绍： he Journal of Computational Electronics brings together research on all aspects of modeling and simulation of modern electronics. This includes optical, electronic, mechanical, and quantum mechanical aspects, as well as research on the underlying mathematical algorithms and computational details. The related areas of energy conversion/storage and of molecular and biological systems, in which the thrust is on the charge transport, electronic, mechanical, and optical properties, are also covered. In particular, we encourage manuscripts dealing with device simulation; with optical and optoelectronic systems and photonics; with energy storage (e.g. batteries, fuel cells) and harvesting (e.g. photovoltaic), with simulation of circuits, VLSI layout, logic and architecture (based on, for example, CMOS devices, quantum-cellular automata, QBITs, or single-electron transistors); with electromagnetic simulations (such as microwave electronics and components); or with molecular and biological systems. However, in all these cases, the submitted manuscripts should explicitly address the electronic properties of the relevant systems, materials, or devices and/or present novel contributions to the physical models, computational strategies, or numerical algorithms.