T-matrix approach for the optical spectra of semiconductor heterostructures

PEREIRA, Mauro, SCHMIELAU, T., SCHEPE, R. and HENNEBERGER, K. (1998). T-matrix approach for the optical spectra of semiconductor heterostructures. In: Technical Digest. Summaries of Papers Presented at the International Quantum Electronics Conference. Conference Edition. 1998 Technical Digest Series, Vol.7 (IEEE Cat. No.98CH36236). IEEE, p. 55.

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Official URL: http://dx.doi.org/10.1109/IQEC.1998.680118
Link to published version:: https://doi.org/10.1109/IQEC.1998.680118
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    Abstract

    Summary form only given. Coulomb correlations are crucial for the realistic computation of semiconductor optical spectra. In low-dimensional systems, band structure and quantum confinement effects play also a major role and have to be integrated in the theory. In our approach, the excited semiconductor is described by nonequilibrium Green's functions for the interacting quasi-particles: carriers, photons, and plasmons, whose time evolution is governed by Dyson equations. Coupled band structure and quantum confinement effects are included in the carrier propagators, and in the transition matrix elements, which give rise to optical selection rules. We show absorption spectra of a 50-A GaAs-AlGaAs QW, as well as corresponding luminescence spectra.

    Item Type: Book Section
    Additional Information: Conference held San Francisco, CA, USA, 03 May 1998-08 May 1998.
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Thin Films Research Centre > Electronic Materials and Sensors Research Group
    Identification Number: https://doi.org/10.1109/IQEC.1998.680118
    Page Range: p. 55
    Depositing User: Helen Garner
    Date Deposited: 10 Dec 2014 16:14
    Last Modified: 13 Jun 2017 13:24
    URI: http://shura.shu.ac.uk/id/eprint/9005

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