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Electrical conductivity of a doubly-degenerate hubbard-model

โœ Scribed by E. Marsch; W.-H. Steeb


Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
180 KB
Volume
59
Category
Article
ISSN
0375-9601

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Optical conductivity of the two-dimensio
โœ W. Brenig ๐Ÿ“‚ Article ๐Ÿ“… 1993 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 175 KB

We analyze the optical conductivity of the two-dimensional Hubbard model using the projection technique. The current self-energy and the static current susceptibility are evaluated perturbatively applying a novel real space summation technique. Results for the Drude weight and the incoherent spectru