Transport Seminar

نویسنده

  • Alessandro Braggio
چکیده

A wide class of stochastic processes are described in the non-Markovian Generalized Master Equations (GME) framework [1]. Many techniques are based on the Markovian assumption of weak memory effects [2]. When the theory goes beyond the weak coupling regime or when the intrinsic non-Markovian nature of the bath plays a role, the number of known approaches dramatically drop. We briefly review the approach we developed to characterize fluctuations in the presence of non-Markovian effects. We will make use of the concept of Full Counting Statistics (FCS) [3] and we show how some of the Markovian techniques developed for the GME [4] are generalizable to the non-Markovian case [5]. We present the recursive method which unifies, extending, earlier approaches making possible the calculation of very high order cumulants, crosscorrelators and finite frequency noise [6]. With this machinery we will investigate the physics of coherent nanodevices and nanomechanical systems[7].

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تاریخ انتشار 2012