Local field effects in an isolated quantum dot: Self-consistent microscopic approach

S. A. Maksimenko, G. Ya Slepyan, A. Hoffmann, D. Bimberg

Research output: Contribution to journalArticlepeer-review

Abstract

A self-consistent microscopic local-field theory for an isolated arbitrary shaped quantum dot (QD) has been presented. In our approach we introduce into the Schrödinger equation a depolarization field induced by an external electromagnetic field, and combine this idea with the second quantization technique for electron-hole pairs. As a result, we succeeded in deriving the general self-consistent nonlinear equations for the system "QD + classical electromagnetic field". In the linear approximation, our approach reproduces microscopically the depolarization shift of the QD gain band and, in anisotropically shaped QDs, polarization dependent splitting of this band.

Original languageEnglish
Pages (from-to)555-559
Number of pages5
JournalPhysica Status Solidi (A) Applied Research
Volume190
Issue number2
DOIs
StatePublished - Apr 2002
Externally publishedYes

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