Test of Local Realism into the Past without Detection and Locality Loopholes

被引：65

作者：

Li, Ming-Han ^{[1
,2
,3
]}

Wu, Cheng ^{[1
,2
,3
]}

Zhang, Yanbao ^{[4
,5
]}

Liu, Wen-Zhao ^{[1
,2
,3
]}

Bai, Bing ^{[1
,2
,3
]}

Liu, Yang ^{[1
,2
,3
]}

Zhang, Weijun ^{[6
]}

Zhao, Qi ^{[7
]}

Li, Hao ^{[6
]}

Wang, Zhen ^{[6
]}

You, Lixing ^{[6
]}

Munro, W. J. ^{[4
,5
]}

Yin, Juan ^{[1
,2
,3
]}

Zhang, Jun ^{[1
,2
,3
]}

Peng, Cheng-Zhi ^{[1
,2
,3
]}

Ma, Xiongfeng ^{[7
]}

Zhang, Qiang ^{[1
,2
,3
]}

Fan, Jingyun ^{[1
,2
,3
]}

Pan, Jian-Wei ^{[1
,2
,3
]}

机构：

[1] Univ Sci & Technol China, Shanghai Branch, Natl Lab Phys Sci Microscale, Shanghai 201315, Peoples R China

[2] Univ Sci & Technol China, Dept Modern Phys, Shanghai 201315, Peoples R China

[3] Univ Sci & Technol China, Shanghai Branch, CAS Ctr Excellence & Synerget Innovat Ctr Quantum, Shanghai 201315, Peoples R China

[4] NTT Corp, NTT Basic Res Labs, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa 2430198, Japan

[5] NTT Corp, NTT Res Ctr Theoret Quantum Phys, 3-1 Morinosato Wakamiya, Atsugi, Kanagawa 2430198, Japan

[6] Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China

[7] Tsinghua Univ, Inst Interdisciplinary Informat Sci, Ctr Quantum Informat, Beijing 100084, Peoples R China

来源：

PHYSICAL REVIEW LETTERS | 2018年 / 121卷 / 08期

基金：

国家重点研发计划; 中国国家自然科学基金;

关键词：

HIDDEN-VARIABLE THEORIES; BELL INEQUALITIES; VIOLATION; PROBABILITY; RANDOMNESS; REDUCTION; THEOREM;

D O I：

10.1103/PhysRevLett.121.080404

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Inspired by the recent remarkable progress in the experimental test of local realism, we report here such a test that achieves an efficiency greater than (78%)(2) for entangled photon pairs separated by 183 m. Further utilizing the randomness in cosmic photons from pairs of stars on the opposite sides of the sky for the measurement setting choices, we not only close the locality and detection loopholes simultaneously, but also test the null hypothesis against local hidden variable mechanisms for events that took place 11 years ago (13 orders of magnitude longer than previous experiments). After considering the bias in measurement setting choices, we obtain an upper bound on the p value of 7.87 x 10(-4), which clearly indicates the rejection with high confidence of potential local hidden variable models. One may further push the time constraint on local hidden variable mechanisms deep into the cosmic history by taking advantage of the randomness in photon emissions from quasars with large aperture telescopes.

引用

页数：7

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