We present calculations of the magnetic field dependence of the emission spectrum of charged exciton (X–) localised on a quantum ring. They are carried out using exact diagonalisation techniques in a coordinate system localised on a valence hole. The ground state energy of charged X– complex, unlike neutral exciton, exhibits Aharonov–Bohm oscillations for any disk radius. The emission energy is found as a difference of Aharonov–Bohm oscillations in the charged exciton and the final state electron energy.
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ski et al. (2002) studied this question.
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