Transport Coefficients of the Anderson Model

Details Transport Coefficients of the Anderson Model Transport Coefficients of the Anderson Model

2011-03-11

arxiv.org/abs/1103.2359v1

J. Phys.: Condens. Matter 5, L361 (1993)

Physics

Condensed Matter

Strongly Correlated Electrons

11 pages, 5 figures. Old paper, submitted here for archival purposes only. Short version of http://de.arxiv.org/abs/cond-mat/9

Scientific paper

10.1088/0953-8984/5/30/001

The transport coefficients of the Anderson model require knowledge of both the temperature and frequency dependence of the single--particle spectral densities and consequently have proven difficult quantities to calculate. Here we show how these quantities can be calculated via an extension of Wilson's numerical renormalization group method. Accurate results are obtained in all parameter regimes and for the full range of temperatures of interest ranging from the high temperature perturbative regime $T>>T_{K}$, through the cross--over region $T\approx T_{K}$, and into the low temperature strong coupling regime $T<

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