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This Week at Physics

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Events on Monday, November 14th, 2011

Condensed Matter Theory Group Seminar
Interaction effects on localization
Time: 4:30 pm
Place: 5310 Chamberlin
Speaker: Peter Wölfle, Karlsruhe Institute of Technology, Germany
Abstract: Anderson localization is influenced by interaction effects in various ways. First, interaction processes destroy the phase coherence and limit localization at finite temperature in all dimensions. Secondly, interaction gives rise to a new type of quantum correction to the conductivity. Thirdly, the metal-insulator transition is modified by interaction effects in ways not completely understood yet. I review the renormalization group theory of disordered interacting electron systems. Finally, a comparison with experimental data on selected systems is presented.
Host: Perkins
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