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Entropic Uncertainty Relations with Quantum Memory in Accelerated Frames via Unruh-DeWitt Detectors

Ming-Ming Du, Hong-Wei Li, Shu-Ting Shen, Xiao-Jing Yan, Xi-Yun Li, Lan Zhou, Wei Zhong, Yu-Bo Sheng
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⚡ Quantum Brief
Researchers analyzed how acceleration affects quantum uncertainty relations using Unruh-DeWitt detectors, revealing unexpected behavior in relativistic quantum systems. The study challenges assumptions about uncertainty growth under acceleration. The team found acceleration doesn’t always increase uncertainty’s lower bound—it depends on initial quantum correlations between detectors. This contradicts traditional views of the Unruh effect’s impact on quantum systems. Using the Kossakowski-Lindblad equation, they modeled two accelerating detectors interacting with a massless scalar field. Results showed complex interplay between quantum discord and information loss at varying Unruh temperatures. Higher quantum discord didn’t consistently reduce uncertainty, suggesting measurement precision isn’t solely tied to entanglement strength. This reframes how quantum memory influences uncertainty in relativistic scenarios. The work advances understanding of quantum information in non-inertial frames, with implications for quantum communication and relativistic quantum technologies. Published December 2025.
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Quantum Physics arXiv:2512.10210 (quant-ph) [Submitted on 11 Dec 2025] Title:Entropic Uncertainty Relations with Quantum Memory in Accelerated Frames via Unruh-DeWitt Detectors Authors:Ming-Ming Du, Hong-Wei Li, Shu-Ting Shen, Xiao-Jing Yan, Xi-Yun Li, Lan Zhou, Wei Zhong, Yu-Bo Sheng View a PDF of the paper titled Entropic Uncertainty Relations with Quantum Memory in Accelerated Frames via Unruh-DeWitt Detectors, by Ming-Ming Du and 6 other authors View PDF HTML (experimental) Abstract:Quantum uncertainty is deeply linked to quantum correlations and relativistic motion. The entropic uncertainty relation with quantum memory offers a powerful way to study how shared entanglement affects measurement precision. However, under acceleration, the Unruh effect can degrade quantum correlations, raising questions about the reliability of QMA-EUR in such settings. Here, we investigate the QMA-EUR for two uniformly accelerating Unruh-DeWitt detectors coupled to a massless scalar field. Using the Kossakowski-Lindblad master equation, we calculate the entropic uncertainty, its lower bound, and the tightness of the relation under different Unruh temperatures. We find that acceleration does not always increase the lower bound on the uncertainty relation. Depending on the initial correlations between the detectors, it may either increase or decrease. This behavior results from the interplay between quantum discord and minimal missing information. Interestingly, a higher quantum discord does not necessarily lead to lower uncertainty. Comments: Subjects: Quantum Physics (quant-ph) Cite as: arXiv:2512.10210 [quant-ph] (or arXiv:2512.10210v1 [quant-ph] for this version) https://doi.org/10.48550/arXiv.2512.10210 Focus to learn more arXiv-issued DOI via DataCite Submission history From: Ming-Ming Du [view email] [v1] Thu, 11 Dec 2025 01:58:18 UTC (73 KB) Full-text links: Access Paper: View a PDF of the paper titled Entropic Uncertainty Relations with Quantum Memory in Accelerated Frames via Unruh-DeWitt Detectors, by Ming-Ming Du and 6 other authorsView PDFHTML (experimental)TeX Source view license Current browse context: quant-ph new | recent | 2025-12 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?)

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