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Coulomb repulsion and correlation strength in LaFeAsO from density functional and dynamical mean-field theories
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SYSNO ASEP 0337343 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Coulomb repulsion and correlation strength in LaFeAsO from density functional and dynamical mean-field theories Title Coulombická interakce a síla korelací v LaFeAsO podle teorie funkcionálu hustoty a dynamického středního pole Author(s) Anisimov, V.I. (RU)
Korotin, D. M. (RU)
Korotin, M. A. (RU)
Kozhevnikov, A, V. (RU)
Kuneš, Jan (FZU-D) RID, ORCID, SAI
Shorikov, A.O. (RU)
Skornyakov, S.L. (RU)
Streltsov, S. V. (RU)Number of authors 8 Source Title Journal of Physics-Condensed Matter. - : Institute of Physics Publishing - ISSN 0953-8984
Roč. 21, č. 7 (2009), 075602/1-075602/7Number of pages 7 s. Language eng - English Country GB - United Kingdom Keywords iron pnictide ; electronic correlations ; dynamical mean-field theory Subject RIV BM - Solid Matter Physics ; Magnetism CEZ AV0Z10100521 - FZU-D (2005-2011) UT WOS 000262897300018 DOI 10.1088/0953-8984/21/7/075602 Annotation The role of electronic correlations in LaFeAsO is assessed using effective Hubbard Hamiltonian obtained from density functional calculations. It is shown that the on-site interaction parameters depend strongly on the choice of the single-particle Hilbert space. Application of the dynamical mean-field theory to the effective Hamiltonian yields LaFeAsO moderately correlated. Workplace Institute of Physics Contact Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Year of Publishing 2010
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