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Title: Quantum well excitons in an electric field: two versus three dimensional behavior
Authors: Feng, Yuan-ping 
Tan, Hiap Sing
Spector, Harold N.
Issue Date: 1995
Citation: Feng, Yuan-ping, Tan, Hiap Sing, Spector, Harold N. (1995). Quantum well excitons in an electric field: two versus three dimensional behavior. Superlattices and Microstructures 17 (3) : 267-271. ScholarBank@NUS Repository.
Abstract: Previous calculations have shown a transition between two dimensional and three dimensional behavior of excitons confined in a semiconducting quantum well structure as a function of electric field. We here present calculations of the exciton binding energy as a function of electric field using a two parameter variational wave function of the form used in the absence of the electric field by Matsuura and Shinozuka. Our calculations were performed using a finite potential barrier model for the confinement of the exciton in the quantum well. The results of our calculations confirm the validity of the conclusion that the variational exciton wave function goes from being of a purely 2D hydrogenic type at small well widths and/or low electric fields to a 3D hydrogenic type in wide wells and/or high electric fields.
Source Title: Superlattices and Microstructures
ISSN: 07496036
DOI: 10.1006/spmi.1995.1048
Appears in Collections:Staff Publications

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