基于量子编程对四量子比特系统非定域性的实验研究  

Experimental demonstration of quantum nonlocality for four-qubit Systems by using quantum programming

作　　者：侯通 何英秋 王粲 丁东[2] HOU Tong;HE Yingqiu;WANG Can;DING Dong(North China Institute of Science and Technology,Yanjiao,065201,China)

机构地区：[1]华北科技学院安全工程学院,北京东燕郊065201 [2]华北科技学院,北京东燕郊065201

出　　处：《华北科技学院学报》2020年第2期116-118,124,共4页Journal of North China Institute of Science and Technology

基　　金：国家自然科学基金资助项目(11547169);河北省高等学校科学技术研究项目(QN2019305,Z2015188);中央高校基本科研业务费资助项目(3142020053,3142019020,3142017069)。

摘　　要：优化量子测量中的定域测量参数在多体量子系统非定域性的研究中非常重要。采用Q#量子编程与C#经典控制程序相结合的方式,构建经典-量子混合编程模式、开发量子程序研究四量子比特系统Bell不等式的实验测试。研究结果表明,通过选择优化的量子测量参数Bell不等式的量子违背可以达到理论上的最大值。理论与实验结合,应用量子编程技术揭示多体量子系统量子非定域性,为探索量子测量中测量参数的优化选择问题提供可行的研究方法和实验手段。It is important to optimize local measurement settings for characterization of quantum nonlocality of multiqubit systems.Based on quantum programming language Q#and classical control program of C#,we construct classical-quantum hybrid programming and design programs to test Bell nonlocality of four-qubit system.As a result,by choosing optimal phase parameters we derive the maximum violation value of Bell inequality which is consistent with theoretical value.With the combination of experimental and the theoretical analyses,we herein not only reveal quantum nonlocality of multiqubit system,but also provide feasible method for optimizing local measurement settings in quantum measurement.

关 键 词：量子纠缠 量子非定域性 量子编程 

分 类 号：O413.1[理学—理论物理]