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cond-mat.stat-mech2022★ 8 cited
Relation between fluctuations and efficiency at maximum power for small heat engines
Guo-Hua Xu, Chao Jiang, Yuki Minami +1
We study the ratio between the variances of work output and heat input, , for a class of four-stroke heat engines which covers various typical cycles. Recent studies on th…
cond-mat.stat-mech2019★ 3 cited
Universal relations and bounds for fluctuations in quasistatic small heat engines
Kosuke Ito, Guo-Hua Xu, Chao Jiang +4
The efficiency of any heat engine, defined as the ratio of average work output to heat input, is bounded by Carnot's celebrated result. However, this measure is insufficient to cha…