| Issue |
EPL
Volume 133, Number 6, March 2021
|
|
|---|---|---|
| Article Number | 67003 | |
| Number of page(s) | 6 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/133/67003 | |
| Published online | 13 May 2021 | |
Quantum dot in a hybrid structure with dipolar excitons
Rzhanov Institute of Semiconductor Physics, Siberian Branch of the Russian Academy of Sciences Novosibirsk, 630090, Russia and Novosibirsk State University - Novosibirsk, 630090, Russia
Received: 10 September 2020
Accepted: 10 March 2021
Electron states in a quantum dot (QD) located near a 2D system of dipolar excitons are perturbed by fluctuations of the exciton density caused by the electron-exciton interaction. This results in the frequency changes of electron transitions in a QD. The frequency depends on the exciton density, as well as on the exciton gas phase state. In the present work, the shifts of the two lowest QD energy levels are found both in the normal state of the exciton system and for the Bose-Einstein condensation (BEC) regime.
PACS: 71.35.-y – Excitons and related phenomena / 71.35.Lk – Collective effects (Bose effects, phase space filling, and excitonic phase transitions) / 78.67.Hc – Quantum dots
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