Proposing Institution

Uni Bielefeld, Dept. of Physics
Project Manager

Prof. Dr. Jürgen Schnack
Universitätsstr. 25
33615 Bielefeld
Abstract
The very interesting magnetic properties offrustrated magnetic molecules are often hardly accessible due tothe prohibitive size of the related Hilbert spaces. Thefinite-temperature Lanczos method is able to treat spin systemsfor Hilbert space sizes up to $10^9$. The method was developed byJ. Jaklic and P. Prelovsek (Phys. Rev. B {\bf 49}, 5065) in 1994.It allows to evaluate thermodynamic properties of e.g. magnetic materialsas function of both temperature and applied field with very goodaccuracy. In a recent investigation we have shown that it is wellapplicable to spin models such as the Heisenberg model in orderto describe experimentelly determined properties of magnetic molecules(J. Schnack, O. Wendland, Properties of highly frustrated magnetic molecules studied by the finite-temperature Lanczos method,Eur. Phys. J. B (2010) accepted; arXiv:1009.2889).It could also be shown that the method scales almost perfectly using openMP on SMP architectures.In this project we want to investigate various recently synthesized and interesting magnetic molecules.molecules

Impressum, Conny Wendler