Quantum Phase Transitions Induced by Strong Correlations Rare-earth Metal Material LaS

Quantum Phase Transitions Induced by Strong Correlations Rare-earth Metal Material LaS | 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 Quantum Phase Transitions Induced by Strong Correlations Rare-earth Metal Material LaS Wangyang Du, Chenfeng Liu, Fei Gao, Hongshuai Tao This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-6812388/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 This study integrates cellular dynamical mean-field theory with continuous-time quantum Monte Carlo methods to investigate how strong correlations affect quantum phase transitions in the quasi-two-dimensional square lattice of LaS. By analyzing changes in the density of states, double occupancy, and the spectral function on the Fermi surface of lanthanum and sulfur atoms, it is revealed that stronger correlations drive the system from a metallic state to a Mott insulating state. The phase transition is further confirmed through the spectral function near the Fermi surface. This study proposes a simulation scheme for quantum phase transitions by tuning interaction strength, providing new insights and valuable references for understanding the physical properties of LaS and its quantum phase transition mechanism. Physical sciences/Materials science Physical sciences/Mathematics and computing Physical sciences/Physics Strongly Correlated Systems Quantum Phase Transition Cellular Dynamical Mean-Field Theory Rare earth Metals Continuous-time Quantum Monte Carlo method Quantum Simulation Full Text Additional Declarations No competing interests reported. Supplementary Files SupplementalMaterialoncelluarDynamicalMeanFieldTheoryCDMFT.docx Selectedrawdatasets.zip 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-6812388","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Article","associatedPublications":[],"authors":[{"id":471568988,"identity":"36192e23-0b6e-45fe-b684-4c7e0e5c6c3c","order_by":0,"name":"Wangyang Du","email":"","orcid":"","institution":"Inner Mongolia University of Technology","correspondingAuthor":false,"prefix":"","firstName":"Wangyang","middleName":"","lastName":"Du","suffix":""},{"id":471568989,"identity":"2df12407-0886-4f55-884d-a80b3612b54b","order_by":1,"name":"Chenfeng Liu","email":"","orcid":"","institution":"Inner Mongolia University of 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