Environment-assisted transport in disordered graphs
; Mohseni, M.
Environment-assisted transport in disordered graphs, Proc Conf. of the Middle European Cooperation in Statistical Physics - MECO38, Trieste, Italy, Vol. -, pp. - - -, March, 2013.
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In this work, we consider the quantum walk of a particle on different disordered graphs, under the effect of pure dephasing noise. We study the efficiency of the transport of the particle and analyse how it varies with the disorder and the dephasing rate. We study the conditions in which environment-assisted transport exists, what is the optimal dephasing regime for enhancing transport and how it depends on the structure of the graph.