Role of Coulomb correlations in the optical spectra of semiconductor quantum dots

Details Role of Coulomb correlations in the optical spectra of semiconductor quantum dots Role of Coulomb correlations in the optical spectra of semiconductor quantum dots

2000-05-16

arxiv.org/abs/cond-mat/0005253v1

phys. stat. sol. (b) v221, 19 (2000).

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures, revtex. Proc. 6th Int Workshop on Nonlinear Optics and Excitation Kinetics in Semiconductors (NOEKS 2000),

Scientific paper

We present a consistent theoretical description of few-particle effects in the optical spectra of semiconductor quantum dots, based on a direct-diagonalization approach. We show that, because of the strong Coulomb interaction among electrons and holes, each configuration of the confined few-particle system leads to its characteristic signature in the optical spectra. We discuss quantitative predictions and comparison with experiments for both absorption and luminescence.

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