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Gerd_Schoen
Honorary Advisor
Former Research Unit Chair
KIT Distinguished Senior Fellow
0721/608-43361 (TFP) and 26364 (INT)
schoenTvi9∂kit edu

KIT Campus North
Building 640

 

Quantum Engineering and Transport

Welcome to the website of Prof. Dr. Gerd Schön's research unit "Quantum Engineering and Transport" at the Institute of Nanotechnology at the Karlsruhe Institute of Nanotechnology.

 

The focus of our research is the description of the electrical transport properties of nanoscale systems. These properties are influenced by quantum mechanical coherence, dissipation, and interaction among the charge carriers. We develop methods to describe the large variety of nanoscale systems, but also work on the description of new measurable observables like current noise and counting statistics that provide a deeper understanding of the relevant transport processes.

 

NEWS

Holium STM Setting
Single magnetic adatoms

We present a quantum master equation analysis of the dynamics of magnetic adatoms on a metallic surface probed by a spin polarized STM. As a specific example, we investigate the behaviour and exceptional long lifetimes of single holmium atoms on platinum.

Phys. Rev. B 91, 245430 (2015)
Double QD Fluctuation Theorem
Irreversibilty in SE-Tunneling

We present a low-temperature experimental test of the fluctuation theorem for electron transport through a double quantum dot. The rare entropy-consuming system trajectories where single charges flow against the source-drain bias appear with a frequency that agrees with the theoretical predictions. 

Phys. Rev. X 2, 011001 (2012)
 
YBCO islands subdominate phase
Nanoscale High-Tc Materials This is a recent work on  nanoscale high-Tc cuprate islands, motivated by the recent observation of a fully gapped state in nanosized YBCO islands. We investigate subdominant order parameters induced by the surface of the nanoparticle.
Nature Nanotechnology 8, 25 (2013)