Transport and optical response of molecular junctions driven by surface plasmon-polaritons
arXiv:0911.2499 · doi:10.1103/PhysRevB.81.165307
Abstract
We consider a biased molecular junction subjected to external time-dependent electromagnetic field. The field for two typical junction geometries (bowtie antennas and metal nanospheres) is calculated within finite-difference time-domain technique. Time-dependent transport and optical response of the junctions is calculated within non-equilibrium Green's function approach expressed in a form convenient for description of multi-level systems. We present numerical results for a two-level (HOMO-LUMO) model, and discuss influence of localized surface plasmon polariton modes on transport.
9 pages, 6 figures
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