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Dresden 2014 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 9: Transport: Quantum Dots, Quantum Wires, Point Contacts I (organized by TT)

TT 9.2: Vortrag

Montag, 31. März 2014, 09:45–10:00, BEY 81

Towards steady state currents on finite systems — •Tim Collet1 and Peter Schmitteckert21Theoretical Condensed Matter physics, KIT — 2Institute for Nanotechnology, KIT

The determination of transport properties of strongly correlated quantum systems by quenches in the charge imbalance is a well established technique. However, the achievable time scales are limited by the system size inducing a finite transit time. Here we present a technique in the spirit of absorbing boundary conditions. This allows to obtain steady states on a finite system and to overcome said limitation from finite transit times. We discuss the application of this concept in the context of transport through quantum impurities.

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