Dresden 2014 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 25: Transport: Quantum dots, quantum wires, point contacts II (organized by TT)

HL 25.8: Talk

Monday, March 31, 2014, 18:00–18:15, HSZ 204

Vibration-induced thermoelectric effects in quantum dots — •Matti Laakso and Volker Meden — Institut für Theorie der Statistischen Physik, RWTH Aachen, Aachen, Germany

We study the thermoelectric transport through a quantum dot coupled to a single vibrational mode described by the Anderson-Holstein model. We use analytical methods in the linear response regime as well as the functional renormalization group (FRG) in the non-linear regime. We predict relatively large thermoelectric effects in the parameter regime where the phonon-mediated electron-electron interaction dominates over the bare Coulomb repulsion.