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- W1991570561 abstract "We study interaction and radial polarization effects on the absorption spectrum of neutral bound magnetoexcitons confined in quantum-ring structures. We show that the size and orientation of the exciton's dipole moment, as well as the interaction screening, play important roles in the Aharonov-Bohm (AB) oscillations. In particular, the excitonic absorption peaks display AB oscillations both in position and amplitude for weak electron-hole interaction and large radial polarization. The presence of impurity scattering induces anticrossings in the exciton spectrum, leading to a modulation in the absorption strength. These properties could be used in experimental investigations of the effect in semiconductor quantum-ring structures." @default.
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- W1991570561 date "2005-09-19" @default.
- W1991570561 modified "2023-10-14" @default.
- W1991570561 title "Polarization and Aharonov-Bohm oscillations in quantum-ring magnetoexcitons" @default.
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- W1991570561 doi "https://doi.org/10.1103/physrevb.72.125327" @default.
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