Frequency Dependent Conductivity of the Fibonacci-Chain

被引:0
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作者
Dieter Walther
Ralph v. Baltz
机构
[1] Universität Karlsruhe,Institut für Theorie der Kondensierten Materie
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关键词
Magnetic Material; Numerical Evaluation; Transfer Matrice; Dependent Conductivity; Kubo Formula;
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摘要
A real-space-renormalization method for the frequency dependent conductivity of the periodic approximants of the Fibonacci chain is developed. This scheme is based on the known 2×2 transfer matrices and additional 5×5 matrices which allow an efficient numerical evaluation of the Kubo formula. Numerical results are presented.
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页码:1211 / 1220
页数:9
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