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- W4289595380 abstract "Abstract The Curzon-Ahlborn (CA) efficiency, as the efficiency at the maximum power (EMP) of the endoreversible Carnot engine, has a significant impact on finite-time thermodynamics. However, the CA engine model is based on many assumptions. In the past few decades, although a lot of efforts have been made, a microscopic theory of the CA engine is still lacking. By adopting the method of the stochastic differential equation of energy, we formulate a microscopic theory of the CA engine realized with an underdamped Brownian particle in a class of non-harmonic potentials. This theory gives microscopic interpretation of all assumptions made by Curzon and Ahlborn, and thus puts the results about CA engine on a solid foundation. Also, based on this theory, we obtain analytical expressions of the power and the efficiency statistics for the Brownian CA engine. Our research brings new perspectives to experimental studies of finite-time microscopic heat engines featured with fluctuations." @default.
- W4289595380 created "2022-08-03" @default.
- W4289595380 creator A5009360097 @default.
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- W4289595380 creator A5018775051 @default.
- W4289595380 creator A5060508235 @default.
- W4289595380 date "2022-08-03" @default.
- W4289595380 modified "2023-10-18" @default.
- W4289595380 title "Microscopic theory of the Curzon-Ahlborn heat engine based on a Brownian particle" @default.
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- W4289595380 doi "https://doi.org/10.1103/physreve.106.024105" @default.
- W4289595380 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36109948" @default.
- W4289595380 hasPublicationYear "2022" @default.
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