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Absolute negative conductivity of graphene in the Hubbard model

โœ Scribed by Belonenko, M B; Lebedev, N G; Shakirzyanov, M M; Yanyushkina, N N


Book ID
121420347
Publisher
Royal Swedish Academy of Sciences
Year
2010
Tongue
English
Weight
179 KB
Volume
82
Category
Article
ISSN
0031-8949

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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