Unipolar opical transitons in nanoclusters of ellipsoidal geometry
Fuente:
arXiv
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| Autori principali: | , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| _version_ | 1866914739058114560 |
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| author | Nikoghosyan, G. Nikoghosyan, H. S. |
| author_facet | Nikoghosyan, G. Nikoghosyan, H. S. |
| contents | The quantum states of an ellipsoidal nanocluster of a heterophase system InAs / GaAs are studied using an exact analytical approach, in contrast to the generally accepted theoretical model based on the adiabatic approximation. It is shown that the spectrum of a nanoobject is formed from local groups, consisting of discrete levels, separated by terahertz frequency intervals. A double random degeneration of certain spectrum states is revealed. Allowed mid-infrared (IR) optical transitions between different spectral states are analyzed. The role of dimensional parameters and features of the shape of a nanoobject in the characteristics of unipolar transitions is assessed. The absorption spectrum for the transition in the lower part of the substructure spectrum is calculated. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_16546 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Unipolar opical transitons in nanoclusters of ellipsoidal geometry Nikoghosyan, G. Nikoghosyan, H. S. Mesoscale and Nanoscale Physics The quantum states of an ellipsoidal nanocluster of a heterophase system InAs / GaAs are studied using an exact analytical approach, in contrast to the generally accepted theoretical model based on the adiabatic approximation. It is shown that the spectrum of a nanoobject is formed from local groups, consisting of discrete levels, separated by terahertz frequency intervals. A double random degeneration of certain spectrum states is revealed. Allowed mid-infrared (IR) optical transitions between different spectral states are analyzed. The role of dimensional parameters and features of the shape of a nanoobject in the characteristics of unipolar transitions is assessed. The absorption spectrum for the transition in the lower part of the substructure spectrum is calculated. |
| title | Unipolar opical transitons in nanoclusters of ellipsoidal geometry |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2403.16546 |