Article
Experimental observation of quantum state-independent contextuality under no-signaling conditions
Author/s | Ya Xiao
Zhen Peng Xu Qiang Li Jin Shi Xu Kai Sun Jin Ming Cui Zong Quan Zhou Hong Yi Su Cabello Quintero, Adán Jing Ling Chen Chuan Feng Li Guang Can Guo |
Department | Universidad de Sevilla. Departamento de Física Aplicada II |
Publication Date | 2018-01 |
Deposit Date | 2020-06-30 |
Abstract | Contextuality, the impossibility of assigning context-independent measurement outcomes, is a critical resource for quantum computation and communication. No-signaling betweensuccessivemeasurementsisanessentialrequirement ... Contextuality, the impossibility of assigning context-independent measurement outcomes, is a critical resource for quantum computation and communication. No-signaling betweensuccessivemeasurementsisanessentialrequirementthatshouldbeaccomplishedin anytestofquantumcontextualityandthatisdifficulttoachieveinpractice.Here,weintroduce anoptimalquantumstate-independentcontextualityinequalityinwhichthedeviationfromthe classicalboundismaximal.Wethenexperimentallytestitusingsinglephotonsgeneratedfrom a defect in a bulk silicon carbide, while satisfying the requirement of no-signaling within the experimental error. Our results shed new light on the study of quantum contextuality under no-signalingconditions. |
Funding agencies | National key research and development program of China National Natural Science Foundation of China |
Citation | Ya Xiao, , Zhen Peng Xu, , Qiang Li, , Jin Shi Xu, , Kai Sun, , Jin Ming Cui, ,...,Guang Can Guo, (2018). Experimental observation of quantum state-independent contextuality under no-signaling conditions. Optics Express, 26 (1), 32-50. |
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