Electron Energy Eigenvalues in an Infinite One-Dimensional Type-AB Alloy
作者:
Chu Tzu Wu,
R. J. Schwensfeir,
期刊:
American Journal of Physics
(AIP Available online 1972)
卷期:
Volume 40,
issue 1
页码: 152-158
ISSN:0002-9505
年代: 1972
DOI:10.1119/1.1986462
出版商: American Association of Physics Teachers
数据来源: AIP
摘要:
The transfer-matrix method is used to derive the characteristic equation for electron energy eigenvalues in a generalized infinite one-dimensional binary alloy. The alloy is divided into unit cells and subcells so that the method used is independent of the shape of the potential barriers. Application of the technique to a type-AB one-dimensional alloy represented by an infinite chain of two kinds of square potential barriers gives the energy eigenvalue equation for this case explicitly and for the first time. The formalism is also shown to give the Kronig-Penney result for a chain of identical square potentials.
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