Optical Properties of Excitons in Quantum Well Wires Under the Magnetic Field

E. Kasapoglu (), H. Sari and I. Sökmen
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E. Kasapoglu: Cumhuriyet University, Physics Department, 58140 Sivas, Turkey
H. Sari: Cumhuriyet University, Physics Department, 58140 Sivas, Turkey
I. Sökmen: Dokuz Eylül University, Physics Department, Izmir, Turkey

Surface Review and Letters (SRL), 2003, vol. 10, issue 05, 737-743

Abstract: The binding energy of excitons in quantum well wires ofGaAssurrounded byGa1-xAlxAswas calculated in an effective mass approximation with the use of the variational approach. Results obtained show that the exciton binding energies depend on the sizes of the wire and the strength of the magnetic field. The exciton theory was then used to calculate the linear absorption coefficient of HH1–C1 excitons by varying the wire dimensions and magnetic field values.

Keywords: Quantum well wires; magnetic field; exciton absorption; 71.35.ji; 71.35.-y (search for similar items in EconPapers)
Date: 2003
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DOI: 10.1142/S0218625X03005566

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