Magnetoexciton dispersion in GaAs-(Ga,Al)As single and coupled quantum
Z. G. Koinov
Abstract:We discuss magnetoexcitons dispersion in single and coupled GaAs − (Ga, Al)As quantum wells using the Bethe-Salpeter (B-S) formalism. The B-S formalism in the case of quantum wells provides an equation for the exciton wave function which depends on two space variables plus the time variable, i.e. the B-S equation is 2 + 1-dimensional equation. We compare the results for magnetoexcitons dispersion, obtained in the LLL approximations with the results calculated by solving the exact B-S equation. It is shown that… Show more
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