National Changhua University of Education Institutional Repository : Item 987654321/15253

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NCUEIR > College of Science > Department of Physics > Periodical Articles > Item 987654321/15253

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/15253

Title:	Exciton Binding Energy in a GaAs/AlxGa1-xAs Quantum Well with Uniform Electric Field
Authors:	Chuu, Der-San;Shih, Yu-Tai
Contributors:	物理學系
Date:	1991-10
Issue Date:	2013-01-07T09:25:15Z
Publisher:	The American Physical Society
Abstract:	The effects of a uniform electric field on the binding energies of excitons and the subband energies in a GaAs/AlxGa1-xAs quantum well are studied by a perturbative variational approach. Our calculation is based on an effective-width infinite-well model. The effective-mass mismatch is also taken into account. Our results show that the electric field causes a large shift of the subband energy and exciton peak position. The calculated results are compared with the data observed from an optical-absorption experiment. Satisfactory agreement is obtained.
Relation:	Phys. Rev. B, 44(15): 8054-8060
Appears in Collections:	[Department of Physics] Periodical Articles

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