文献类型：期刊文献

英文题名：Multipartite steering verification with imprecise measurements

作者：Lu, Zeyang[1];Li, Chan[1];Wang, Gang[1];Cao, Zhu[2,3,4]

机构：[1]East China Univ Sci & Technol, Key Lab Smart Mfg Energy Chem Proc, Minist Educ, Shanghai, Peoples R China;[2]Tongji Univ, Coll Elect & Informat Engn, Shanghai, Peoples R China;[3]Tongji Univ, Shanghai Res Inst Intelligent Autonomous Syst, Shanghai, Peoples R China;[4]Tongji Univ, Shanghai Inst Intelligent Sci & Technol, Shanghai, Peoples R China

年份：2025

卷号：112

期号：4

外文期刊名：PHYSICAL REVIEW A

收录：;EI(收录号：20250552612);WOS:【SCI-EXPANDED(收录号:WOS:001620407900014)】；

基金：This work was supported by the Natural Science Foun-dation of Shanghai under Grant No. 25ZR1402098 and the startup fund from East China University of Science and Tech-nology under Grant No. YH0142234.

语种：英文

外文关键词：Verification

摘要：Quantum steering is a fundamental quantum correlation that plays a pivotal role in quantum technologies, but its verification crucially relies on precise measurements-an assumption often undermined by practical imperfections. Here, we investigate multipartite steering verification under imprecise measurements and develop a quantitative method that effectively eliminates false positives induced by measurement imprecision. A comparison with a device-independent approach demonstrates that our method accurately delineates the scope of valid verification. In a special case, our method also enables the verification of multipartite entanglement under nonideal conditions. These results substantially enhance the robustness of multipartite steering and entanglement verification against measurement imprecision, thereby promoting their applicability in realistic quantum technologies.