ArticleProceedings of the National Academy of Sciences of the United States of America2017
Catalysis of heat-to-work conversion in quantum machines.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 44 citations in OpenAlex.
- How Many Kelvins Are Equivalent to One Electron-Volt: An Investigation of Energy-Temperature Scaling in Catalysis.Precision chemistry · 2026Article
- Nonlinear coherent heat machines.Science advances · 2023Article
- Heat Modulation on Target Thermal Bath via Coherent Auxiliary Bath.Entropy (Basel, Switzerland) · 2021Article
- Quantum coherence, many-body correlations, and non-thermal effects for autonomous thermal machines.Scientific reports · 2019Article
- Two-level masers as heat-to-work converters.Proceedings of the National Academy of Sciences of the United States of America · 2018Article
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Authors and funding
4 authors at 3 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We propose a hitherto-unexplored concept in quantum thermodynamics: catalysis of heat-to-work conversion by quantum nonlinear pumping of the piston mode which extracts work from the machine. This concept is analogous to chemical reaction catalysis: Small energy investment by the catalyst (pump) may yield a large increase in heat-to-work conversion. Since it is powered by thermal baths, the catalyzed machine adheres to the Carnot bound, but may strongly enhance its efficiency and power compared with its noncatalyzed counterparts. This enhancement stems from the increased ability of the squeezed piston to store work. Remarkably, the fraction of piston energy that is convertible into work may then approach unity. The present machine and its counterparts powered by squeezed baths share a common feature: Neither is a genuine heat engine. However, a squeezed pump that catalyzes heat-to-work conversion by small investment of work is much more advantageous than a squeezed bath that simply transduces part of the work invested in its squeezing into work performed by the machine.
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