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http://hdl.handle.net/1942/41969
Title: | Powerful ordered collective heat engines | Authors: | Filho, Fernando S. Forão, Gustavo A. L. Busiello, Daniel M. CLEUREN, Bart Fiore, Carlos E. |
Issue Date: | 2023 | Publisher: | AmericanPhysicalSociety | Source: | Physical Review Research, 5 (4) , p. 043067-1 -043067-12 (Art N° 043067) | Abstract: | We introduce a class of stochastic engines in which the regime of units operating synchronously can boost the performance. Our approach encompasses a minimal setup composed of N interacting units placed in contact with two thermal baths and subjected to a constant driving worksource. The interplay between unit synchronization and interaction leads to an efficiency at maximum power between the Carnot η_c and the Curzon-Ahlborn bound η_CA. Moreover, these limits can be respectively saturated maximizing the efficiency, and by simultaneous optimization of power and efficiency. We show that the interplay between Ising-like interactions and a collective ordered regime is crucial to operate as a heat engine. The main system features are investigated by means of a linear analysis near equilibrium, and developing an effective discrete-state model that captures the effects of the synchronous phase. The robustness of our findings extends beyond the all-to-all interactions and paves the way for the building of promising nonequilibrium thermal machines based on ordered structures. | Document URI: | http://hdl.handle.net/1942/41969 | e-ISSN: | 2643-1564 | DOI: | 10.1103/PhysRevResearch.5.043067 | Rights: | PublishedbytheAmericanPhysicalSocietyunderthetermsof the CreativeCommonsAttribution4.0 International license. Further distributionof thisworkmustmaintainattributiontotheauthor(s) and thepublishedarticle’s title, journal citation, andDOI.Open accesspublicationfundedbytheMaxPlanckSociety. | Category: | A1 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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PhysRevResearch.5.043067.pdf | Published version | 2.05 MB | Adobe PDF | View/Open |
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