Abstract.
We show that the order of energies of negative (X−) and positive (X+) trions in quantum wires is determined by the relative electron and hole lateral confinements. For equal electron and hole confinement, X+ has a larger binding energy, but a small imbalance towards a stronger hole localization changes the order of the X− and X+ recombination lines in the photoluminescence spectrum.
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Peeters, F., Szafran, B., Chwiej, T. et al. Stability of Charged Exciton States in Quantum Wires. Few-Body Systems 38, 121–124 (2006). https://doi.org/10.1007/s00601-005-0131-1
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DOI: https://doi.org/10.1007/s00601-005-0131-1