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cond-mat.stat-mech2026
Unified geometric formalism for dissipation and its fluctuations in finite-time microscopic heat engines
Gentaro Watanabe, Guo-Hua Xu, Yuki Minami
Microscopic heat engines operate in regimes where thermodynamic quantities fluctuate strongly, making stochastic effects an essential aspect of their performance. However, existing…
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…