Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2004-01-27
Physics
Condensed Matter
Strongly Correlated Electrons
15 pages, 5 figures, conference: Physics of Spin in Solids: Materials, Methods & Applications, October 15-19, 2003, Baku, Azer
Scientific paper
10.1016/j.jmmm.2003.11.224
The influence of dynamical correlation effects on the magneto-optical properties of ferromagnetic Fe and Ni has been investigated. In addition the temperature dependence of the self-energy and its influence on the DOS and optical conductivity is considered. Magneto-optical properties were calculated on the basis of the one-particle Green's function, which was obtained from the DMFT-SPTF procedure. It is shown that dynamical correlations play a rather important role in weakly correlated Fe and substantially change the spectra for moderately correlated Ni. Magneto-optical properties obtained for both systems are found in better agreement with experiment than by conventional LDA calculations.
Chadov Stanislav
Chioncel Liviu
Ebert Hubert
Katsnelson Mikhail I.
Lichtenstein Alexander I.
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