Light-induced current in molecular junctions: Local field and non-Markov effects

Details Light-induced current in molecular junctions: Local field and non-Markov effects Light-induced current in molecular junctions: Local field and non-Markov effects

2011-03-16

arxiv.org/abs/1103.3293v1

Phys. Rev. B 83, 205425 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

10 pages, 6 figures

Scientific paper

10.1103/PhysRevB.83.205425

We consider a two-level system coupled to contacts as a model for charge pump under external laser pulse. The model represents a charge-transfer molecule in a junction, and is a generalization of previously published results [B. D. Fainberg, M. Jouravlev, and A. Nitzan. Phys. Rev. B 76, 245329 (2007)]. Effects of local field for realistic junction geometry and non-Markov response of the molecule are taken into account within finite-difference time-domain (FDTD) and on-the-contour equation-of-motion (EOM) formulations, respectively. Our numerical simulations are compared to previously published results.

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