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- W1520956085 abstract "Decoherent transport in mesoscopic and nanoscopic systems can be formulated in terms of the D'Amato-Pastawski (DP) model. This generalizes the Landauer-B{u}ttiker picture by considering a distribution of decoherent local scattering centers of decoherence. However, its generalization for multiterminal setups is lacking. We first review the original formulation of the DP model for decoherent transport. We then extend it to the multiprobe configuration and introduce an efficient recursive algorithm that yields the effective conductances and voltage profiles. We present a decimation procedure based on matrix continued fractions for the recursive evaluation of the Green's functions of banded Hamiltonians. The decimation procedure may also provides the cornerstone of efficient computational schemes for the calculation of multiterminal decoherent conductances. We illustrate the method by analyzing the decoherent transport through a quantum dot where electrons are strongly coupled to optical phonons. Our approach allows us to consider the full electron-phonon Fock space and we show how typical interferences and antiresonances are smoothed by decoherence. The presented method should pave the way for computationally demanding calculations of transport through nanodevices, bridging the gap between fully-coherent and fully decoherent schemes." @default.
- W1520956085 created "2016-06-24" @default.
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- W1520956085 date "2013-11-09" @default.
- W1520956085 modified "2023-09-27" @default.
- W1520956085 title "Generalized multiprobe decoherent transport: Recursive algorithms and applications" @default.
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- W1520956085 hasPublicationYear "2013" @default.
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