Exciton bound by distant ionized donor in two-dimensional GaAs/AlGaAs quantum well

Details Exciton bound by distant ionized donor in two-dimensional GaAs/AlGaAs quantum well Exciton bound by distant ionized donor in two-dimensional GaAs/AlGaAs quantum well

2011-11-09

arxiv.org/abs/1111.2158v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

Scientific paper

The ground state energy of exciton bound by distant ionized donor impurity in quasi-two-dimensional GaAs/AlGaAs semiconductor quantum well (QW) is studied theoretically within the Hartree approach in the effective mass approximation. The influence of the distance between QW plane and ionized donor, as well as of the magnetic field aligned across the QW plane and varying dielectric constant of the barrier material on the stability of exciton bound by ionized donor impurity is analyzed and discussed.

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