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TT: Fachverband Tiefe Temperaturen

TT 74: Molecular Electronics and Photonics

TT 74.2: Vortrag

Mittwoch, 14. März 2018, 16:15–16:30, H 3005

Time-dependent framework for energy and charge currents in nanoscale systems — •Thomas Lehmann¹, Alexander Croy^1,2, Rafael Gutiérrez^1,2, and Gianaurelio Cuniberti^1,2,3 — ¹Institute for Materials Science and Max Bergmann Center of Biomaterials, TU Dresden, 01062 Dresden, Germany — ²Dresden Center for Computational Materials Science (DCMS), TU Dresden, 01062 Dresden, Germany — ³Center for Advancing Electronics Dresden, TU Dresden, 01062 Dresden, Germany

The calculation of time-dependent charge and energy currents in nanoscale systems is a challenging task. Nevertheless it is crucial for gaining a deep understanding of the relevant processes at the nanoscale. We extend the auxiliary-mode approach for time-dependent charge transport to allow for the calculation of energy and heat currents for arbitrary time-dependencies. We apply the approach to illustrative examples, demonstrating its usefulness for a wide-range of problems, such as thermoelectric effects in driven systems.