Molecular electronics in junctions with energy disorder

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dc.creatorKaiser, Franz J.
dc.creatorHänggi, Peter
dc.creatorKohler, Sigmund
dc.date2008-03-31
dc.date2008-04-01
dc.date.accessioned2026-07-07T09:48:56Z
dc.date.available2026-07-07T09:48:56Z
dc.descriptionWe investigate transport through molecular wires whose energy levels are affected by environmental fluctuations. We assume that the relevant fluctuations are so slow that they, within a tight-binding description, can be described by disordered, Gaussian distributed onsite energies. For long wires, we find that the corresponding current distribution can be rather broad even for a small energy variance. Moreover, we analyse with a Floquet master equation the interplay of laser excitations and static disorder. Then the disorder leads to spatial asymmetries such that the laser diving can induce a ratchet current.
dc.description11 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/0803.4412
dc.identifierhttp://arxiv.org/abs/0803.4412
dc.identifierNew J. Phys. 10 065013 (2008)
dc.identifierdoi:10.1088/1367-2630/10/6/065013
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/164402
dc.subjectMesoscale and Nanoscale Physics
dc.titleMolecular electronics in junctions with energy disorder
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