{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,18]],"date-time":"2026-01-18T13:02:16Z","timestamp":1768741336767,"version":"3.49.0"},"reference-count":48,"publisher":"MDPI AG","issue":"6","license":[{"start":{"date-parts":[[2019,5,29]],"date-time":"2019-05-29T00:00:00Z","timestamp":1559088000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","doi-asserted-by":"publisher","award":["Finance Code 001"],"award-info":[{"award-number":["Finance Code 001"]}],"id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100002322","name":"Coordena\u00e7\u00e3o de Aperfei\u00e7oamento de Pessoal de N\u00edvel Superior","doi-asserted-by":"publisher","award":["CAPES scholarship PDSE\/process No. 88881.132982\/2016-01"],"award-info":[{"award-number":["CAPES scholarship PDSE\/process No. 88881.132982\/2016-01"]}],"id":[{"id":"10.13039\/501100002322","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100010755","name":"Instituto Nacional de Ci\u00eancia e Tecnologia de Informa\u00e7\u00e3o Qu\u00e2ntica","doi-asserted-by":"publisher","award":["465469\/2014-0\/CNPq"],"award-info":[{"award-number":["465469\/2014-0\/CNPq"]}],"id":[{"id":"10.13039\/501100010755","id-type":"DOI","asserted-by":"publisher"}]},{"name":"U.S. National Science Foundation","award":["CHE-1648973"],"award-info":[{"award-number":["CHE-1648973"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Entropy"],"abstract":"<jats:p>The design and implementation of quantum technologies necessitates the understanding of thermodynamic processes in the quantum domain. In stark contrast to macroscopic thermodynamics, at the quantum scale processes generically operate far from equilibrium and are governed by fluctuations. Thus, experimental insight and empirical findings are indispensable in developing a comprehensive framework. To this end, we theoretically propose an experimentally realistic quantum engine that uses transmon qubits as working substance. We solve the dynamics analytically and calculate its efficiency.<\/jats:p>","DOI":"10.3390\/e21060545","type":"journal-article","created":{"date-parts":[[2019,5,29]],"date-time":"2019-05-29T11:31:28Z","timestamp":1559129488000},"page":"545","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":30,"title":["Non-Thermal Quantum Engine in Transmon Qubits"],"prefix":"10.3390","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1629-3288","authenticated-orcid":false,"given":"Cleverson","family":"Cherubim","sequence":"first","affiliation":[{"name":"Instituto de F\u00edsica de S\u00e3o Carlos, Universidade de S\u00e3o Paulo, C.P. 369, 13560-970 S\u00e3o Carlos, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0193-676X","authenticated-orcid":false,"given":"Frederico","family":"Brito","sequence":"additional","affiliation":[{"name":"Instituto de F\u00edsica de S\u00e3o Carlos, Universidade de S\u00e3o Paulo, C.P. 369, 13560-970 S\u00e3o Carlos, SP, Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0504-6932","authenticated-orcid":false,"given":"Sebastian","family":"Deffner","sequence":"additional","affiliation":[{"name":"Department of Physics, University of Maryland Baltimore County, Baltimore, MD 21250, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2019,5,29]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Gemmer, J., Michel, M., and Mahler, G. 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