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Fields of Research

Research in the "Condensed Matter Theory" group is focused on studies of strongly interacting electrons and magnetic systems in quasi one- and two-dimensinal solids. At low temperatures the properties of these systems are determined by the presence of large quantum fluctuations. We investigate the unconventional phases of such systems emerging when coupling constants or external fields are varied and study the role of interactions in the transport properties. For this purpose we analyze lattice models models starting from exact solutions and with methods from quantum field theory and develop efficient numerical algorithms for these problems.