Observation of Subharmonic Charge-Density-Wave Correlations in La-Based Cuprates

[2310.19907] Observation of Subharmonic Charge-Density-Wave Correlations in La-Based Cuprates Skip to main content Search Submit Donate Log in Search arXiv Press Enter to search · Advanced search Condensed Matter > Superconductivity arXiv:2310.19907 (cond-mat) [Submitted on 30 Oct 2023 ( v1 ), last revised 15 Aug 2026 (this version, v2)] Title: Observation of Subharmonic Charge-Density-Wave Correlations in La-Based Cuprates Authors: Jun-Sik Lee , Steven A. Kivelson , Heemin Lee , Tong Wang , Yoichi Ikeda , Takanori Taniguchi , Cheng-Tai Kuo , Masaki Fujita , Chi-Chang Kao View a PDF of the paper titled Observation of Subharmonic Charge-Density-Wave Correlations in La-Based Cuprates, by Jun-Sik Lee and 8 other authors View PDF HTML (experimental) Abstract: Pair-density-wave (PDW) correlations have been proposed as an important ingredient in the complex phase diagram of high-$T_{\rm c}$ cuprates, yet bulk-sensitive experimental signatures remain scarce. Here we report resonant x-ray scattering measurements revealing a subharmonic charge-density-wave (CDW) scattering response in Sr-doped $1/8$-LBCO. The subharmonic response appears at approximately half the primary CDW ordering wave vector and emerges within a physically relevant temperature regime associated with the development of in-plane superconducting correlations. Comparable subharmonic behavior is also observed in a chemically distinct La-based cuprate, LSCO, within the same stripe-ordered, layer-decoupled regime. Together, these observations identify a bulk-sensitive scattering signature that is consistent with PDW correlations in La-based superconducting cuprates. Subjects: Superconductivity (cond-mat.supr-con) Cite as: arXiv:2310.19907 [cond-mat.supr-con] (or arXiv:2310.19907v2 [cond-mat.supr-con] for this version) https://doi.org/10.48550/arXiv.2310.19907 Focus to learn more arXiv-issued DOI via DataCite Journal reference: Phys. Rev. B 114, 074514 (2026) Related DOI : https://doi.org/10.1103/djbs-mcz5 Focus to learn more DOI(s) linking to related resources Submission history From: Jun-Sik Lee [ view email ] [v1] Mon, 30 Oct 2023 18:18:22 UTC (2,730 KB) [v2] Sat, 15 Aug 2026 01:24:49 UTC (1,580 KB) Full-text links: Access Paper: View a PDF of the paper titled Observation of Subharmonic Charge-Density-Wave Correlations in La-Based Cuprates, by Jun-Sik Lee and 8 other authors View PDF HTML (experimental) TeX Source view license Current browse context: cond-mat.supr-con < prev | next > new | recent | 2023-10 Change to browse by: cond-mat References & Citations NASA ADS Google Scholar Semantic Scholar export BibTeX citation Loading... BibTeX formatted citation × loading... Data provided by: Bookmark Bibliographic Tools Bibliographic and Citation Tools Bibliographic Explorer Toggle Bibliographic Explorer ( What is the Explorer? ) Connected Papers Toggle Connected Papers ( What is Connected Papers? ) Litmaps Toggle Litmaps ( What is Litmaps? ) scite.ai Toggle scite Smart Citations ( What are Smart Citations? ) Code, Data, Media Code, Data and Media Associated with this Article alphaXiv Toggle alphaXiv ( What is alphaXiv? ) Links to Code Toggle CatalyzeX Code Finder for Papers ( What is CatalyzeX? ) DagsHub Toggle DagsHub ( What is DagsHub? ) GotitPub Toggle Gotit.pub ( What is GotitPub? ) Huggingface Toggle Hugging Face ( What is Huggingface? ) ScienceCast Toggle ScienceCast ( What is ScienceCast? ) Demos Demos Replicate Toggle Replicate ( What is Replicate? ) Spaces Toggle Hugging Face Spaces ( What is Spaces? ) Spaces Toggle TXYZ.AI ( What is TXYZ.AI? ) Related Papers Recommenders and Search Tools Link to Influence Flower Influence Flower ( What are Influence Flowers? ) Core recommender toggle CORE Recommender ( What is CORE? ) IArxiv recommender toggle IArxiv Recommender ( What is IArxiv? ) Author Venue Institution Topic About arXivLabs arXivLabs: experimental projects with community collaborators arXivLabs is a framework that allows collaborators to develop and share new arXiv features directly on our website. Both individuals and organizations that work with arXivLabs have embraced and accepted our values of openness, community, excellence, and user data privacy. arXiv is committed to these values and only works with partners that adhere to them. Have an idea for a project that will add value for arXiv's community? Learn more about arXivLabs . Which authors of this paper are endorsers? | Disable MathJax ( What is MathJax? ) We gratefully acknowledge support from our major funders , member institutions , , and all contributors. About · Help · Contact · Subscribe · Copyright · Privacy · Accessibility · Operational Status (opens in new tab) Major funding support from

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