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Controlling currents through molecular wires

Controlling currents through molecular wires,Sigmund Kohler,Peter Hanggi

Controlling currents through molecular wires   (Citations: 2)
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We investigate the possibility of controlling by means of external laser fields both the current through molecular wires and the corresponding noise properties. It is found that an appropriate off-resonant driving field reduces the coherent transport across the molecule resulting in a strong current suppression. The relative level of transport noise, characterized by a Fano factor, exhibits characteristic maxima and minima near regimes of current suppression. In a three-terminal configuration, the field allows one to steer the current selectively towards one terminal. © 2004 Elsevier Ltd. All rights reserved. PACS: 85.65.+h; 33.80.-b; 73.63.-b; 05.60.Gg
Published in 2004.
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