Light-induced current in molecular junctions: Local field and non-Markov effects
arXiv:1103.3293 · doi:10.1103/PhysRevB.83.205425
Abstract
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.
10 pages, 6 figures
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- A non-equilibrium equation-of-motion approach to quantum transport utilizing projection operators
- Progress towards an effective non-Markovian description of a system interacting with a bath
- Qubit Entanglement generation by Gaussian non-Markovian dynamics