Correlated magnetoexcitons in semiconductor quantum dots at finite temperatur

Details Correlated magnetoexcitons in semiconductor quantum dots at finite temperatur Correlated magnetoexcitons in semiconductor quantum dots at finite temperatur

1999-12-16

arxiv.org/abs/cond-mat/9912310v1

Physics

Condensed Matter

Strongly Correlated Electrons

6 pages, to appear in 1999 MRS Fall Meeting Symposium Proceedings: The Optical Properties of Matter

Scientific paper

We describe computational methods for the theoretical study of explicit correlations beyond the mean field in excitons confined in semiconductor quantum dots in terms of the Auxiliary-Field Monte Carlo (AFMC) method. Using AFMC, the many-body problem is formulated as a Feynman path integral at finite temperatures and evaluated to numerical precision. This approach is ideally suited for implementation on high-performance parallel computers. Our strategy is to generate a set of mean-field states via the Hartree-Fock method for use as a basis for the AFMC calculations. We present preliminary results.

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