Inattainability of Carnot efficiency in the Brownian heat engine
Tsuyoshi Hondou, Ken Sekimoto
Abstract
We discuss the reversibility of Brownian heat engine. We perform asymptotic analysis of Kramers equation on Büttiker-Landauer system and show quantitatively that Carnot efficiency is inattainable even in a fully overdamping limit. The inattainability is attributed to the inevitable irreversible heat flow over the temperature boundary.
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