Dresden 2009 – scientific programme

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MM: Fachverband Metall- und Materialphysik

MM 46: Electronic Properties II

MM 46.1: Talk

Thursday, March 26, 2009, 16:45–17:00, IFW B

The Korringa-Kohn-Rostoker method: its mathematical foundations — •Robert Hammerling — Center for Computational Materials Science, TU Wien, 1060 Wien — Wolfgang Pauli Institute, Uni Wien, 1090 Wien

The Korringa-Kohn-Rostoker(KKR) method is a well-established method in condensed matter physics to calculate the static Green function of a one-body Schrödinger operator. The multi-site problem is split in a single site problem and the evaluation of the free Green function under appropriate boundary conditions. While both ingredients individually are well understood the resulting expression for the multi-site Green function is still questioned in the mathematical physics community. In this work the mathematical foundations of the KKR method are critically examined.