Influence of acoustic phonons on dephasing of free excitons in quantum wells

In-Keun Oh, Jai Singh

    Research output: Contribution to journalComment/debate

    3 Citations (Scopus)

    Abstract

    A theory of the dephasing rate of quasi-2D free excitons due to acoustic phonon interaction at low exciton densities is presented. Both deformation potential and piezoelectric couplings are considered for the exciton-phonon interaction in quantum wells. Using the derived interaction Hamiltonian obtained recently by us, exciton linewidth and dephasing rate are calculated as a function of the exciton density, exciton temperature, exciton momentum and lattice temperature. (C) 2002 Elsevier Science Ltd. All rights reserved.
    Original languageEnglish
    Pages (from-to)287-295
    Number of pages9
    JournalSuperlattices and Microstructures
    Volume30
    Issue number6
    DOIs
    Publication statusPublished - 2001

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