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TT: Fachverband Tiefe Temperaturen

TT 36: TR: Poster Session

TT 36.5: Poster

Donnerstag, 25. März 2010, 14:00–18:00, Poster A

A Real-Time Path Integral Approach for a Dissipative Nonequilibrium Quantum Dot — •Klaus Ferdinand Albrecht^1,2, Lothar Mühlbacher¹, and Andreas Komnik² — ¹Physikalisches Institut, Universität Freiburg — ²Institut für Theoretische Physik, Universität Heidelberg

Based on a recently developed real-time path integral approach, we apply a diagrammatic Quantum Monte Carlo method to study the nonequilibrium dynamics of a contacted quantum dot coupled to a phonon environment, which consists of either one or several phonon modes. The timescales reached by this exact method are long enough to exploit transient behavior as well as transport properties of the system.