Optical properties of quantum wires: Disorder-scattering in the Lloyd-model

Details Optical properties of quantum wires: Disorder-scattering in the Lloyd-model Optical properties of quantum wires: Disorder-scattering in the Lloyd-model

2000-09-25

arxiv.org/abs/cond-mat/0009374v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

7 pages, 6 figures

Scientific paper

10.1103/PhysRevB.63.085318

The Lloyd model is extended to the exciton problem in quasi one-dimensional structures to study the interplay between the Coulomb attraction and disorder scattering. Within this model the averaging and resummation of the locator series can be performed analytically. As an application, the optical absorption in quantum box wires is investigated. Without electron-hole interaction, fluctuations in the well-width lead to an asymmetric broadening of the minibands with respect to the lower and upper band-edges.

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