Electric response of a metal-molecule-metal junction to laser pulse by solving hierarchical equations of motion

The Journal of Chemical Physics
Hui CaoChaozhi Zhang

Abstract

We have combined the quantum dissipative theory and the time dependent density functional theory to perform the first principle calculation of laser induced quantum dynamical electron transport through a molecule weak bridged to two electrodes. The formalism of hierarchical equations of motion based on non-equilibrium Green's function theory has been taken in this work. Numerical simulations of optical absorption spectra of benzene, laser induced transient current without and with bias, charge pumping effect, as well as the spectrum analysis from the current in Au-benzene-Au molecular junction are presented and discussed.

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Citations

Apr 16, 2018·The Journal of Chemical Physics·Partha Pratim PalTamar Seideman

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