Telegraph noise in Markovian master equation for electron transport through molecular junctions

Kosov, Daniel S.

Abstract

We present a theoretical approach to solve the Markovian master equation for quantum transport with stochastic telegraph noise. Considering probabilities as functionals of a random telegraph process, we use Novikov’s functional method to convert the stochastic master equation to a set of deterministic differential equations. The equations are then solved in the Laplace space, and the expression for the probability vector averaged over the ensemble of realisations of the stochastic process is obtained. We apply the theory to study the manifestations of telegraph noise in the transport properties of molecular junctions. We consider the quantum electron transport in a resonant-level molecule as well as polaronic regime transport in a molecular junction with electron-vibration interaction.

Journal

Journal of Chemical Physics

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148

ISBN/ISSN

1089-7690

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Publisher

American Institute of Physics

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DOI

10.1063/1.5033354