Abstract
We investigate the optical spectra and localization properties of excitons in disordered quantum wires within the Anderson model. The exact distributions of the oscillator strength and the inverse participation ratio are obtained by an extension of work by Bertrand Halperin [Phys. Rev. 139, A104 (1965)]. The results are confirmed by numerical simulations. Approximate expressions valid in limiting cases are critically discussed. Semiquantitative agreement with experimental oscillator strength distributions derived from available optical near-field spectra of semiconductor quantum wires is found.
- Received 25 November 2002
DOI:https://doi.org/10.1103/PhysRevB.67.205302
©2003 American Physical Society