http://www.cnr.it/ontology/cnr/individuo/prodotto/ID199677
Extended Drude model and role of interband transitions in the midinfrared spectra of pnictides (Articolo in rivista)
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- Extended Drude model and role of interband transitions in the midinfrared spectra of pnictides (Articolo in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1103/PhysRevB.83.224514 (literal)
- Alternative label
L. Benfatto (1); E. Cappelluti (2,1); L. Ortenzi (3); L. Boeri (3) (2011)
Extended Drude model and role of interband transitions in the midinfrared spectra of pnictides
in Physical review. B, Condensed matter and materials physics
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- L. Benfatto (1); E. Cappelluti (2,1); L. Ortenzi (3); L. Boeri (3) (literal)
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- 1) Institute for Complex Systems (ISC), CNR, U.O.S. Sapienza, and Department of Physics, Sapienza University of Rome, Piazzale Aldo Moro 2, I-00185 Rome, Italy
2) Instituto de Ciencia de Materiales de Madrid, ICMM-CSIC, Cantoblanco, E-28049 Madrid, Spain
3) Max-Planck-Institut für Festkörperforschung, Heisenbergstra?e 1, D-70569 Stuttgart, Germany (literal)
- Titolo
- Extended Drude model and role of interband transitions in the midinfrared spectra of pnictides (literal)
- Abstract
- We analyze the outcomes of an extended-Drude-model approach to the optical spectra of pnictides, where the multiband nature of the electronic excitations requires a careful analysis of the role of interband processes in the optical conductivity. Through a direct comparison between model calculations of the intraband optical spectra, experimental data, and first-principles calculations we show that interband transitions give a non-negligible contribution already in the infrared region. This leads to a substantial failure of the extended-Drude-model analysis on the measured optical data without subtraction of interband contributions. (literal)
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