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We study the efficiency of thermodynamic machines at maximum power and show that it possesses universal features, deriving from time-reversibility of the microscopic laws. We illustrate these findings on 3 nano-machines, namely a quantum dot and a Maser, both operating as a thermal machine, and copolymer synthesis. C. Van den Broeck, PRL 95, 190602, 1-3 (2005); M. Esposito, K. Lindenberg, and C. Van den Broeck, PRL 102, 130602 (2009);EPL 85, 60010, 1-5 (2009). |
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