Driven quantum transport on the nanoscale

  • We explore the prospects to control by use of time-dependent fields quantum transport phenomena in nanoscale systems. In particular, we study for driven conductors the electron current and its noise properties. We review recent corresponding theoretical descriptions which are based on Floquet theory. Alternative approaches, as well as various limiting approximation schemes are investigated and compared. The general theory is subsequently applied to different representative nanoscale devices, like the non-adiabatic pumps, molecular gates, molecular quantum ratchets, and molecular transistors. Potential applications range from molecular wires under the influence of strong laser fields to microwave-irradiated quantum dots.

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Author:Sigmund KohlerORCiDGND, Jörg LehmannGND, Peter HänggiORCiDGND
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Publishing Institution:Universität Augsburg
Release Date:2006/09/04
Tag:Quantum transport; Driven systems; Noise
GND-Keyword:Transportprozess; Rauschen; Nanostruktur; Floquet-Theorie
Source:erschienen in: Phys. Rep. 406, 379–443 (2005); doi:10.1016/j.physrep.2004.11.002; URL:
Institutes:Mathematisch-Naturwissenschaftlich-Technische Fakultät
Mathematisch-Naturwissenschaftlich-Technische Fakultät / Institut für Physik
Mathematisch-Naturwissenschaftlich-Technische Fakultät / Institut für Physik / Lehrstuhl für Theoretische Physik I
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik