Quantum Many-Body Principles of Localized-State Ensemble Luminescence
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Quantum Physics arXiv:2602.07406 (quant-ph) [Submitted on 7 Feb 2026] Title:Quantum Many-Body Principles of Localized-State Ensemble Luminescence Authors:Xinye Fan, Shijie Xu View a PDF of the paper titled Quantum Many-Body Principles of Localized-State Ensemble Luminescence, by Xinye Fan and Shijie Xu View PDF Abstract:Localized electron states induced by various disorders,including defects and impurities,usually exist in this http URL optical properties,especially their luminescence properties,are of both scientific and technological this http URL a microscopic theory has not yet been established for such localized-state ensemble (LSE) this http URL this Letter,we attempt to fill this void via developing a quantum many-body (MB) luminescence theory taking into account both electron-phonon (e-p) and electron-electron (e-e) this http URL using the developed MB-LSE theory,abnormal thermal behaviors such as redshift and subsequent blueshift of peak position,narrowing and succeeding broadening of linewidth,decline in intensity,and variation in lifetime can be quantitatively this http URL roles of electron-phonon and electron-electron interactions in the variable-temperature LSE luminescence are thus elucidated. Within the framework of the MB-LSE theory, moreover, Varshni's empirical formula for bandgap temperature dependence and Huang-Rhys factor for e-p coupling are further derived and discussed. Subjects: Quantum Physics (quant-ph) Cite as: arXiv:2602.07406 [quant-ph] (or arXiv:2602.07406v1 [quant-ph] for this version) https://doi.org/10.48550/arXiv.2602.07406 Focus to learn more arXiv-issued DOI via DataCite (pending registration) Submission history From: Xu Shijie [view email] [v1] Sat, 7 Feb 2026 06:55:36 UTC (3,484 KB) Full-text links: Access Paper: View a PDF of the paper titled Quantum Many-Body Principles of Localized-State Ensemble Luminescence, by Xinye Fan and Shijie XuView PDF view license Current browse context: quant-ph new | recent | 2026-02 References & Citations INSPIRE HEP NASA ADSGoogle 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?) Links to Code Toggle Papers with Code (What is Papers with Code?) 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?) 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?)