Electron density correlation of a superlattice with wave function overlaps

A calculation of RPA electron-electron density correlation function of a type I superlattice is presented. The electron tunneling between adjacent quantum wells is taken into consideration. A formal expression of density correlation function is explicitly given within single band tight binding appro...

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Bibliographic Details
Published in:Solid state communications 1987-10, Vol.64 (4), p.593-595
Main Authors: Xiao-jia, Lu, Lei-ming, Xie, Xiao-ling, Lei
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Electronic structure and electrical properties of surfaces, interfaces, thin films and low-dimensional structures
Exact sciences and technology
Physics
Surface and interface electron states
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Summary:A calculation of RPA electron-electron density correlation function of a type I superlattice is presented. The electron tunneling between adjacent quantum wells is taken into consideration. A formal expression of density correlation function is explicitly given within single band tight binding approximation.
ISSN:0038-1098
1879-2766
DOI:10.1016/0038-1098(87)90788-5