Regensburg 2016 – wissenschaftliches Programm
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TT: Fachverband Tiefe Temperaturen
TT 58: Transport: Poster Session
TT 58.2: Poster
Mittwoch, 9. März 2016, 15:00–18:30, Poster D
Energy transport in nanosystems: master equations approaches — •Kevin Marc Seja1, Carsten Timm1, Andreas Wacker2, and Gediminas Kiršanskas2 — 1Institute of Theoretical Physics, TU Dresden, 01062 Dresden, Germany — 2Division of Mathematical Physics, Lunds universitet, Box 118, 22100 Lund, Sweden
Master equations are a powerful tool to perform quantum-transport calculations in non-equilibrium scenarios. We use a sequential-tunneling Redfield-type approach, which includes off-diagonal elements of the reduced density matrix, to study the thermoelectric properties of nanosystems. We examine how these off-diagonal elements alter physical observables. One point of particular interest is the linear response predicted by such an approach, especially the validity of the Onsager reciprocal relations. An interacting double quantum dot serves as an exemplary system to demonstrate our main results.