{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,20]],"date-time":"2026-02-20T06:05:44Z","timestamp":1771567544376,"version":"3.50.1"},"reference-count":61,"publisher":"MDPI AG","issue":"5","license":[{"start":{"date-parts":[[2023,5,6]],"date-time":"2023-05-06T00:00:00Z","timestamp":1683331200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"European Union-NextGenerationEU"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Entropy"],"abstract":"<jats:p>The coherent energy transfer between two identical two-level systems is investigated. Here, the first quantum system plays the role of a charger, while the second can be seen as a quantum battery. Firstly, a direct energy transfer between the two objects is considered and then compared to a transfer mediated by an additional intermediate two-level system. In this latter case, it is possible to distinguish between a two-step process, where the energy is firstly transferred from the charger to the mediator and only after from the mediator to the battery, and a single-step in which the two transfers occurs simultaneously. The differences between these configurations are discussed in the framework of an analytically solvable model completing what recently discussed in literature.<\/jats:p>","DOI":"10.3390\/e25050758","type":"journal-article","created":{"date-parts":[[2023,5,8]],"date-time":"2023-05-08T03:00:28Z","timestamp":1683514828000},"page":"758","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Analytically Solvable Model for Qubit-Mediated Energy Transfer between Quantum Batteries"],"prefix":"10.3390","volume":"25","author":[{"given":"Alba","family":"Crescente","sequence":"first","affiliation":[{"name":"Dipartimento di Fisica, Universit\u00e0 di Genova, Via Dodecaneso 33, 16146 Genova, Italy"},{"name":"CNR-SPIN, Via Dodecaneso 33, 16146 Genova, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4435-1326","authenticated-orcid":false,"given":"Dario","family":"Ferraro","sequence":"additional","affiliation":[{"name":"Dipartimento di Fisica, Universit\u00e0 di Genova, Via Dodecaneso 33, 16146 Genova, Italy"},{"name":"CNR-SPIN, Via Dodecaneso 33, 16146 Genova, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matteo","family":"Carrega","sequence":"additional","affiliation":[{"name":"CNR-SPIN, Via Dodecaneso 33, 16146 Genova, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maura","family":"Sassetti","sequence":"additional","affiliation":[{"name":"Dipartimento di Fisica, Universit\u00e0 di Genova, Via Dodecaneso 33, 16146 Genova, Italy"},{"name":"CNR-SPIN, Via Dodecaneso 33, 16146 Genova, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,5,6]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"030501","DOI":"10.1088\/2058-9565\/aa6aca","article-title":"The European quantum technologies flagship programme","volume":"2","author":"Riedel","year":"2017","journal-title":"Quantum Sci. 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