PMO OpenIR
Experimental measurement-dependent local Bell test with human free will
Liu, Yang1,2,3; Yuan, Xiao1,2,3,4; Wu, Cheng1,2,3; Zhang, Weijun5; Guan, Jian-Yu1,2,3; Zhong, Jiaqiang6,7; Li, Hao5; Li, Ming-Han1,2,3; Abellan, Carlos8; Mitchell, Morgan W.8,9; Shi, Sheng-Cai6,7; Fan, Jingyun1,2,3; You, Lixing5; Wang, Zhen5; Ma, Xiongfeng4; Zhang, Qiang1,2,3; Pan, Jian-Wei1,2,3
2019-02-15
Source PublicationPHYSICAL REVIEW A
ISSN2469-9926
Volume99Issue:2Pages:6
Corresponding AuthorLiu, Yang()
AbstractA Bell test can rule out local realistic models and has potential applications in communication and information tasks. For example, a Bell's inequality violation can certify the presence of intrinsic randomness in measurement outcomes, which can be used to generate unpredictable random numbers. Nevertheless, a Bell test requires measurements that are chosen independently of environment in the test, as would be the case if the measurement setting choices were themselves intrinsically random. Such situation seems to create a "bootstrapping problem" recently addressed in the BIG Bell Test, a collection of various Bell tests using human choices. Here, we report in detail our experimental methods and results within the BIG Bell Test, specifically for a special type of Bell inequality, known as the measurement-dependent local inequality. With this inequality, even a small amount of measurement independence makes it possible to disprove local realistic models. The experiment utilizes human-generated random numbers in selecting the measurement settings and is implemented with space-like separation between two distant measurement sites. The experimental result violates a Bell's inequality, which cannot be explained by local hidden variable models with independence parameter (as defined in [G. Putz et al., Phys. Rev. Lett.113, 19040 - (2014)]) l > 0.10 +/- 0.05. This result further quantifies the degree to which a local hidden variable model would need to constrain human choices, if it is to reproduce the experimental results.
DOI10.1103/PhysRevA.99.022115
WOS KeywordQUANTUM ; RANDOMNESS
Indexed BySCI
Language英语
WOS Research AreaOptics ; Physics
WOS SubjectOptics ; Physics, Atomic, Molecular & Chemical
WOS IDWOS:000458814900001
PublisherAMER PHYSICAL SOC
Citation statistics
Document Type期刊论文
Identifierhttp://libir.pmo.ac.cn/handle/332002/18655
Collection中国科学院紫金山天文台
Corresponding AuthorLiu, Yang
Affiliation1.Univ Sci & Technol China, Natl Lab Phys Sci Microscale, Shanghai Branch, Shanghai 201315, Peoples R China
2.Univ Sci & Technol China, Dept Modern Phys, Shanghai 201315, Peoples R China
3.Univ Sci & Technol China, CAS Ctr Excellence & Synerget Innovat Ctr Quantum, Shanghai Branch, Shanghai 201315, Peoples R China
4.Tsinghua Univ, Ctr Quantum Informat, Inst Interdisciplinary Informat Sci, Beijing 100084, Peoples R China
5.Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China
6.Chinese Acad Sci, Purple Mt Observ, 2 West Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
7.Chinese Acad Sci, Key Lab Radio Astron, 2 West Beijing Rd, Nanjing 210008, Jiangsu, Peoples R China
8.Barcelona Inst Sci & Technol, ICFO Inst Ciencies Foton, Castelldefels 08860, Barcelona, Spain
9.ICREA, Barcelona 08010, Spain
Recommended Citation
GB/T 7714
Liu, Yang,Yuan, Xiao,Wu, Cheng,et al. Experimental measurement-dependent local Bell test with human free will[J]. PHYSICAL REVIEW A,2019,99(2):6.
APA Liu, Yang.,Yuan, Xiao.,Wu, Cheng.,Zhang, Weijun.,Guan, Jian-Yu.,...&Pan, Jian-Wei.(2019).Experimental measurement-dependent local Bell test with human free will.PHYSICAL REVIEW A,99(2),6.
MLA Liu, Yang,et al."Experimental measurement-dependent local Bell test with human free will".PHYSICAL REVIEW A 99.2(2019):6.
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