Localized Entanglement Purification

Quantum Physics [Submitted on 2 Apr 2026] Localized Entanglement Purification Katerina Stloukalova, Jorge Miguel-Ramiro, Wolfgang Dür, Julius Wallnöfer Entanglement purification protocols are fundamental primitives in quantum communication, enabling the distillation of high-quality entanglement using only local operations and classical communication. For large multipartite states, however, existing purification schemes typically require substantial resources and become progressively inefficient as system size increases. We introduce a new type of multipartite entanglement purification, Localized Entanglement Purification (LEP), a family of protocols that purify entanglement at the level of network regions rather than globally. By exploiting spatial noise asymmetries, LEP reduces resource consumption and enables scalable purification strategies for larger quantum systems. Comments: 12 pages, 8 figures Subjects: Quantum Physics (quant-ph) Cite as: arXiv:2604.02428 [quant-ph]   (or arXiv:2604.02428v1 [quant-ph] for this version)   https://doi.org/10.48550/arXiv.2604.02428 Focus to learn more Submission history From: Katerina Stloukalova [view email] [v1] Thu, 2 Apr 2026 18:01:36 UTC (15,122 KB) Access Paper: HTML (experimental) view license Current browse context: quant-ph < prev   |   next > new | recent | 2026-04 References & Citations INSPIRE HEP NASA ADS Google Scholar Semantic Scholar Export BibTeX Citation 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 Demos Related Papers About arXivLabs Which authors of this paper are endorsers? | Disable MathJax (What is MathJax?)