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Excitons in T-shaped quantum wires

Glutsch, S. ; Bechstedt, F. ; Wegscheider, Werner ; Schedelbeck, G.
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Date of publication of this fulltext: 02 Nov 2009 13:20


Abstract

Binding energies and wave functions are calculated for the ground-state exciton in T-shaped quantum wires. It is shown that, if Coulomb interaction is taken into account, the hole is strongly localized by correlation with the electron. We demonstrate that no one-dimensional hole confinement is necessary for the formation of a one-dimensional exciton and that the exciton is roughly described by a ...

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