期刊
PHYSICAL REVIEW LETTERS
卷 103, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.103.040403
关键词
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资金
- Japanese Science and Technology Agency
- Austrian Fonds zur Forderung der Wissenschaftlichen Forschung [FIS2008-05596]
- Junta de Andalucia Excellence [P06-FQM-02243]
We performed an experimental test of the Kochen-Specker theorem based on an inequality derived from the Peres-Mermin proof, using spin-path (momentum) entanglement in a single neutron system. Following the strategy proposed by Cabello et al. [Phys. Rev. Lett. 100, 130404 (2008)], a Bell-like state was generated, and three expectation values were determined. The observed violation 2: 291 +/- 0.008 not less than or equal to 1 clearly shows that quantum mechanical predictions cannot be reproduced by noncontextual hidden-variable theories.
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