Light-induced current in molecular junctions: Local field and non-Markov   effects
  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. 
Boris D. Fainberg, Maxim Sukharev, Tae-Ho Park, Michael Galperin
cond-mat.mes-hall physics.chem-ph