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Regensburg 2004 – scientific programme

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MA: Magnetismus

MA 8: Elektronentheorie

MA 8.3: Talk

Monday, March 8, 2004, 16:15–16:30, H22

Influence of dynamical correlation effects on magneto-optical properties of 3d metals — •Stanislav Chadov1, Alexander Perlov1, Hubert Ebert1, Livio Chioncel2, Alexander Lichtenstein2, and Michael Katsnelson3,41Phys. Chemistry Institute, University of Munich, D-80333 Munich, Germany — 2University of Nijmegen, NL-6525 ED Nijmegen, The Netherlands — 3Institute of Metal Physics, 620219 Ekaterinburg, Russia — 4Department of Physics, Uppsala University, Box 530, SE-75121 Uppsala, Sweden

The optical and magnetooptical properties of 3d metals are theoretically investigated taking into account dynamical correlation effects. Various schemes to approximate the effective self-energy, including Second Order Perturbation Theory and Dynamic Mean Theory+Fluctuation Exchange methods have been implemented and investigated. It is shown that accounting for many-body correlation effects is very important for 3d metals to get a quantitative agreement with experimental results. While LSDA-based calculations of optical and magnetooptical properties in general lead to a satisfying qualitative agreement with experimental spectra, inclusion of correlation effects in particular give the correct position of prominent spectral features.

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