Nonequilibrium many body theory for quantum transport in terahertz quantum cascade lasers

SCHMIELAU, T. and PEREIRA, M. F. (2009). Nonequilibrium many body theory for quantum transport in terahertz quantum cascade lasers. Applied Physics Letters, 95 (23).

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Link to published version:: https://doi.org/10.1063/1.3272675
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    Abstract

    This paper presents a predictive Keldysh nonequilibrium many body Green's functions theory for quantum transport including high order electron-electron, electron-phonon, electron-impurity, and interface roughness scattering processes. Our approach is fully frequency and momentum dependent including nondiagonal dephasing terms in both frequency and k-space. A detailed balance between coherent and scattering processes leads to local current conservation even if a small number of states is considered. Good agreement with experiments is obtained for a terahertz quantum cascade laser. (C) 2009 American Institute of Physics. [doi: 10.1063/1.3272675]

    Item Type: Article
    Additional Information: Times Cited: 0
    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/10.1063/1.3272675
    Depositing User: Danny Weston
    Date Deposited: 15 Apr 2010 11:08
    Last Modified: 11 Oct 2018 08:56
    URI: http://shura.shu.ac.uk/id/eprint/1706

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