Dephasing-controlled particle transport devices

Kapetanovic, E.; Rodriguez-Rosario, C. A.; Frauenheim, T.

doi:10.1209/0295-5075/116/60015

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Dephasing-controlled particle transport devices

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Rodriguez-Rosario, C. A.
Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society;
Univ Basque Country, Dept Mat Sci, Nanobio Spect Grp, UPV EHU;
Univ Basque Country, Dept Mat Sci, ETSF, UPV EHU;
niv Hamburg, Ctr Free Electron Laser Sci;
Univ Hamburg, Dept Phys;

External Resource

https://dx.doi.org/10.1209/0295-5075/116/60015
(Publisher version)

https://arxiv.org/abs/1602.08244
(Preprint)

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1602.08244.pdf
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Citation

Kapetanovic, E., Rodriguez-Rosario, C. A., & Frauenheim, T. (2016). Dephasing-controlled particle transport devices. EPL, 116(6): 60015. doi:10.1209/0295-5075/116/60015.

Cite as: https://hdl.handle.net/21.11116/0000-0001-8CBB-F

Abstract

We study the role of dephasing in transport through different structures. We show that interference effects invalidate Kirchhoff's circuit laws in quantum devices and illustrate the emergence of Ohmic conduction under strong dephasing. We present circuits where the particle transport and the direction of rectification can be controlled through the dephasing strength. This suggests the possibility of constructing molecular devices with new functionalities which use dephasing as a control parameter.