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Feynman-Vernon influence functional approach to quantum transport in interacting nanojunctions: An analytical hierarchical study

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Magazzù, Luca ; Grifoni, Milena
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Date of publication of this fulltext: 12 May 2022 10:38


We present a nonperturbative and formally exact approach for the charge transport in interacting nanojunctions based on a real-time path-integral formulation of the reduced system dynamics. For reservoirs of noninteracting fermions, the exact trace over the leads' degrees of freedom results in the time-nonlocal Feynman-Vernon influence functional, a functional of the Grassmann-valued paths of the ...


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