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Stochastic collision model approach to transport phenomena in quantum networks | | Dario A. Chisholm
; Guillermo García-Pérez
; Matteo A. C. Rossi
; G. Massimo Palma
; Sabrina Maniscalco
; | | Date: |
12 Oct 2020 | | Abstract: | Noise-assisted transport phenomena highlight the nontrivial interplay between
environmental effects and quantum coherence in achieving maximal efficiency.
Due to the complexity of biochemical systems and their environments, effective
open quantum system models capable of providing physical insights on the
presence and role of quantum effects are highly needed. In this paper, we
introduce a new approach that combines an effective quantum microscopic
description with a classical stochastic one. Our stochastic collision model
describes both Markovian and non-Markovian dynamics without relying on the weak
coupling assumption. We investigate the consequences of spatial and temporal
heterogeneity of noise on transport efficiency in a fully connected graph and
in the Fenna-Matthews-Olson complex. Our approach shows how to meaningfully
formulate questions, and provide answers, on important open issues such as the
properties of optimal noise and the emergence of the network structure as a
result of an evolutionary process. | | Source: | arXiv, 2010.05618 | | Services: | Forum | Review | PDF | Favorites | |
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