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DY: Fachverband Dynamik und Statistische Physik

DY 16: Brownian motion and transport I

DY 16.4: Talk

Tuesday, March 27, 2007, 15:15–15:30, H3

Anomalous response behavior of a Josephson junction — •David Speer, Ralf Eichhorn, and Peter Reimann — Universität Bielefeld, Universitätsstr. 25, 33615 Bielefeld

We predict unusual transport properties of a Josephson Junction in the form of average current and voltage of opposite sign. The effect survives in the presence of not too large (thermal) noise. Numerical simulations are complemented by intuitive explanations of the basic mechanism and analytical approximations.