 Stochastic-thermodynamics and the Ericsson nano engine – Efficiency from equilibrium resultsJ. Kaur, A. Ghosh, S. Dattagupta, S. Chaturvedi and M. Bandyopadhyay Physica A: Statistical Mechanics and its Applications, 2025, vol. 660, issue C Abstract: In this work, we study an Ericsson cycle whose working substance is a charged (quantum) oscillator in a magnetic field that is coupled to a heat bath. The resulting quantum Langevin equations with built-in noise terms encapsulate a thermodynamic structure and allow for the computation of the efficiency of the cycle. We numerically compute the efficiency of the cycle in the quasi-static regime using the steady-state thermodynamic functions of the system. Interestingly, it is found that by increasing the system–bath coupling strength, the efficiency of the cycle can be tuned to a maximum. We also explore the behavior of the efficiency as a function of the pair of magnetic-field values between which the cycle is operated. Keywords: Heat engines; Nanoscale systems; Quantum Brownian motion; Langevin equations; Stochastic thermodynamics (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:660:y:2025:i:c:s0378437124008379 DOI: 10.1016/j.physa.2024.130327 Access Statistics for this article Physica A: Statistical Mechanics and its Applications is currently edited by K. A. Dawson, J. O. Indekeu, H.E. Stanley and C. Tsallis More articles in Physica A: Statistical Mechanics and its Applications from Elsevier |
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