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Jožef Stefan Institute and Faculty of Mathematics and Physics, University of Ljubljana, Slovenia
12/12/2016/ at 15:00h
IF - predavaonica u zgradi Mladen Paić
The interplay of disorder and electron interactions is in recent decade one of the most challenging theoretical problems in condensed-matter physics. It is interesting also in connection with experiments in real materials and cold gases on optical lattices. New paradigm is many-body localization, which predicts in systems with strong disorder the nonergodicity and absence of thermalization even in the presence of interaction, and appears to be realized in cold-atom systems. I will present some recent numerical results within the standard models of many-body localization, which confirm the existence of such a state, but I will show also limitations of this phenomenon.