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Magnetic-Field Effects on Donor Impurity States in a Quantum Well

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Author(s): Arnold Abramov

Journal: World Journal of Condensed Matter Physics
ISSN 2160-6919

Volume: 02;
Issue: 04;
Start page: 188;
Date: 2012;
Original page

Keywords: Quantum Well | Impurity | Binding Energy | Magnetic Field

ABSTRACT
Green’s function technique is used to obtain the solution of Shredinger equation for impurity states in a quantum well (QW) under the magnetic field. Binding energy of impurity states is defined as poles of the wave function. We studied effects of the magnetic field magnitude and impurity position on the binding energy. The calculations were performed for both ground and excited states. The dependences of binding energies versus impurity position and magnetic field are presented for GaAs/Al0.3Ga0.7As QW.
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