Abstract
AbstractWe revise a feedback control scheme for single electron transport. It is based on the idea of an adaptive modulation of the system parameters (such as tunnel rates) during the observation of the full counting statistics. This can be done via an iterative, step‐wise modulation, or in a continuous manner. We compare these two procedures and discuss an extension of the previously used linear feedback protocol to the non‐linear case. This involves an exponential dependence of tunnel rates on the differences , where n is the number of electrons transferred after time t and the stationary target current. The feedback freezes the full counting statistics into a stationary distribution that we derive and analyze using a Fokker–Planck equation.
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