Abstract
Photoluminescence spectra measured on a type-II $\mathrm{Ga}\mathrm{Sb}∕\mathrm{Ga}\mathrm{As}$ quantum dot ensemble at high excitation power indicate a Mott transition from the low density state comprising of spatially indirect excitons to a high density electron-plasma state. Under the influence of a very high magnetic field, the electron-plasma that is formed at high excitation powers is transformed into magneto-excitons.
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