电场和像电荷对球形量子点中杂质相关光学吸收系数的影响

Proceedings of the YSU A: Physical and Mathematical Sciences Pub Date : 2017-03-20 DOI:10.46991/pysu:a/2017.51.1.124

A.L. Vartanyan, A. Asatryan, A. Mkrtchyan, S.S. Avetisyan, A. Kirakosyan

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摘要

研究了外加电场作用下，像电荷效应对杂质相关能量、类1s态到2px和2pz态跃迁的振子强度以及球形量子点的光学吸收系数的影响。结果表明，像电荷导致了系统光学系数的显著变化。

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EFFECTS OF ELECTRIC FIELD AND IMAGE CHARGES ON THE IMPURITY-RELATED OPTICAL ABSORPTION COEFFICIENTS IN A SPHERICAL QUANTUM DOT

The influence of an image charge effect on the impurity-related energies, the oscillator strengths of transitions from the 1s-like state to 2px and 2pz states as well as the optical absorption coefficients in a spherical quantum dot in the presence of an external electric field have been studied. The results show that the image charges lead to significant changes in the optical coefficients of the system.

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Proceedings of the YSU A: Physical and Mathematical Sciences

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