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Interference and shot noise in a degenerate Anderson-Holstein model

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Donarini, Andrea ; Niklas, Michael ; Grifoni, Milena
Date of publication of this fulltext: 25 Sep 2020 06:27


We study the transport properties of an Anderson-Holstein model with orbital degeneracies and a tunneling phase that allows for the formation of dark states. The resulting destructive interference yields a characteristic pattern of positive and negative differential conductance features with enhanced shot noise, without further asymmetry requirements in the coupling to the leads. The transport ...


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