Coupling a single spin to the motion of a carbon nanotube

Coupling a single spin to the motion of a carbon nanotube | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Article Coupling a single spin to the motion of a carbon nanotube Natalia Ares, Federico Fedele, Federico Cerisola, Lea Bresque, and 11 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-5151065/v1 This work is licensed under a CC BY 4.0 License Status: Published Journal Publication published 13 Dec, 2025 Read the published version in Nature Communications → Version 1 posted You are reading this latest preprint version Abstract The ability to couple a solitary spin to high-frequency motion would constitute a crucial advancement for a range of applications, including quantum sensing, intermediate and long-distance spin-spin coupling, and quantum information processing. While the possibility of such coupling has been explored theoretically more than a decade ago, experimental demonstrations have remained elusive. Here we report on the first observation of spin-mechanical coupling in a carbon nanotube device. We demonstrate this coupling in two different configurations: in one case the spin and mechanics are off-resonant and excited by two different tones, and in the other they are resonant and driven by a single tone. The coupling is evidenced as a shift and a broadening of the electric dipole spin resonance (EDSR), respectively. Moreover, both experimental plots are matched extremely well with our theoretical model, taking into account the tensor character of the coupling and the non-linearity of the motion. Our results propel spin-mechanical platforms to an uncharted regime. The revealed interaction provides the full toolbox for promising applications ranging from the demonstration of macroscopic superpositions and operation of fully quantum engines, to quantum simulators. Physical sciences/Nanoscience and technology/Nanoscale devices/NEMS Physical sciences/Physics/Condensed-matter physics Full Text Additional Declarations There is NO Competing Interest. Supplementary Files FedeleCerisola2024SupplementaryMaterial.pdf Cite Share Download PDF Status: Published Journal Publication published 13 Dec, 2025 Read the published version in Nature Communications → Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-5151065","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":393908138,"identity":"e826aa1f-eee0-43ad-b72c-de399bd06274","order_by":0,"name":"Natalia 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