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Abstract

In this Reply we show that to characterize our paper as “mathematically incomplete and physically faulty” is incorrect. Moreover, we never claimed that there is not a fluctuation theorem for the heat probability distribution in Brownian transducers operating between two heat reservoirs. We studied the conditions of observability of the Jarzynski-Wojcik fluctuation theorem [] in a model system in which the coupling term is relevant and the observation time is necessarily finite.