Electron-hole correlation effects in the emission of light from quantum wires

Details Electron-hole correlation effects in the emission of light from quantum wires Electron-hole correlation effects in the emission of light from quantum wires

1998-08-14

arxiv.org/abs/cond-mat/9808156v1

Physics

Condensed Matter

4 paes 3 figures

Scientific paper

10.1103/PhysRevLett.82.843

We present a self-consistent treatment of the electron-hole correlations in optically excited quantum wires within the ladder approximation, and using a contact potential interaction. The limitations of the ladder approximation to the excitonic low-density region are largely overcome by the introduction of higher order correlations through self consistency. We show relevance of these correlations in the low-temperature emission, even for high density relevant in lasing, when large gain replaces excitonic absorption.

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