In this work, we study the exchange interactions between two excitons in the GaAs/AlGaAs quantum wells of various widths. We numerically solved the Schrödinger equation for an exciton in a quantum well to find the two-exciton wave functions and to calculate the exchange integral. The results suggest that the strongest interactions between excitons occur in the quantum wells of widths of about 40–50 nm, with the exchange energy being of about of 9 μeV for an exciton density of 1/μm2.
Original languageEnglish
Pages (from-to)1503-1505
Issue number11
Publication statusPublished - 2020
Event28th International Symposium on Nanostructures: Physics and technology - Минск
Duration: 28 Sep 20202 Oct 2020
Conference number: 28

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