Unified Description of Charge Density Waves in Electron- and Hole-doped Cuprate Superconductors

Unified Description of Charge Density Waves in Electron- and Hole-doped Cuprate Superconductors | 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 Unified Description of Charge Density Waves in Electron- and Hole-doped Cuprate Superconductors Jaewon Choi, Sijia Tu, Abhishek Nag, Charles Tam, Sahil Tippireddy, and 5 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-4673773/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract High-temperature cuprates superconductors are characterised by the complex interplay between superconductivity (SC) and charge density wave (CDW) in the context of intertwined competing orders. In contrast to abundant studies for hole-doped cuprates, the exact nature of CDW and its relationship to SC was much less explored in electron-doped counterparts. Here, we performed resonant inelastic x-ray scattering (RIXS) experiments to investigate the relationship between CDW and SC in electron-doped La 2-x Ce x CuO 4 . The short-range CDW order with a correlation length ~35 Å was found in a wide range of temperature and doping concentration. Near the optimal doping, the CDW order is weakened inside the SC phase, implying an intimate relationship between the two orders. This interplay has been commonly reported in hole-doped La-based cuprates near the optimal doping. We reconciled the diverging behaviour of CDW across the superconducting phase in various cuprate materials by introducing the CDW correlation length as a key parameter. Our study paves the way for establishing a unified picture to describe the phenomenology of CDW and its relationship with SC in the cuprate family. Physical sciences/Physics/Condensed-matter physics/Superconducting properties and materials Physical sciences/Physics/Condensed-matter physics/Electronic properties and materials Full Text Additional Declarations There is NO Competing Interest. Supplementary Files 2024ChoiLCCOSM.pdf Cite Share Download PDF Status: Posted 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. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. 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-4673773","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":329173051,"identity":"78af4afd-3786-4cb0-a483-d22068b8d138","order_by":0,"name":"Jaewon Choi","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAABCElEQVRIiWNgGAWjYBACxgY4k4eBIaGCmQfGBgI2YrScIUILEgAqY2xjhrNxamFuP3xM4uMOBnkG9rMHHzycZy3DP+3wsQdvGOzkGSTSErA6rCctTXLmGQbDBp68ZIPEbek8ErfT0g3nMCQbNkikHcDulxyz27xtDAkMEjxmEonbDvMw3M4xk+ZhYAaKpDdg1dL//huSljmHeeQhWupxa5mRw4akpeEwjwFEy2GgCA6HzXhm/nNmm4RhG0+OsUHCsXQew9tA380xOA4UeYbV+4b9yY8NPrbZyPOznzF8+KPG2l7udvIxiTcV1UCRNAOsWiDOlUCPAwPcESmPQ3wUjIJRMApGAQIAAEAdUqsgcsQ1AAAAAElFTkSuQmCC","orcid":"","institution":"Diamond Light Source","correspondingAuthor":true,"prefix":"","firstName":"Jaewon","middleName":"","lastName":"Choi","suffix":""},{"id":329173052,"identity":"a021ffeb-115e-426f-ad10-0c4cbd6571d9","order_by":1,"name":"Sijia Tu","email":"","orcid":"https://orcid.org/0009-0003-6260-6534","institution":"Institute of Physics, Chinese Academy of Sciences","correspondingAuthor":false,"prefix":"","firstName":"Sijia","middleName":"","lastName":"Tu","suffix":""},{"id":329173053,"identity":"77f3b792-ce0b-42fc-aa31-e2ac85648809","order_by":2,"name":"Abhishek Nag","email":"","orcid":"https://orcid.org/0000-0002-1394-5105","institution":"Paul Scherrer Institute","correspondingAuthor":false,"prefix":"","firstName":"Abhishek","middleName":"","lastName":"Nag","suffix":""},{"id":329173054,"identity":"e50f1be2-d219-42c8-9dbe-65a49165b331","order_by":3,"name":"Charles Tam","email":"","orcid":"","institution":"H. 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In contrast to abundant studies for hole-doped cuprates, the exact nature of CDW and its relationship to SC was much less explored in electron-doped counterparts. Here, we performed resonant inelastic x-ray scattering (RIXS) experiments to investigate the relationship between CDW and SC in electron-doped La\u003csub\u003e2-x\u003c/sub\u003eCe\u003csub\u003ex\u003c/sub\u003eCuO\u003csub\u003e4\u003c/sub\u003e. The short-range CDW order with a correlation length ~35 Å was found in a wide range of temperature and doping concentration. Near the optimal doping, the CDW order is weakened inside the SC phase, implying an intimate relationship between the two orders. This interplay has been commonly reported in hole-doped La-based cuprates near the optimal doping. We reconciled the diverging behaviour of CDW across the superconducting phase in various cuprate materials by introducing the CDW correlation length as a key parameter. 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