Driven quantum transport on the nanoscale

Details Driven quantum transport on the nanoscale Driven quantum transport on the nanoscale

2004-09-10

arxiv.org/abs/cond-mat/0409251v2

Phys. Rep. 406, 379 (2005)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

82 pages, 19 figures, elsart.cls, solved LaTeX/hyperref problems

Scientific paper

10.1016/j.physrep.2004.11.002

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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